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Observed 6:55 AM PDT at KBVS

Lyman, WA weather

Overcast and 45°7°.

Today: low 41°5° (likely 37°3° to 41°5°), high 55°13° (likely 45°7° to 56°13°).

Forecasts differ

Now 45°7°

Cloudy · Feels like 41°5°

Wind
6 mph9 km/h
From the northeast. Up to 7 mph11 km/h through 7 PM
Dew point
37°3°
Comfortable
UV tomorrow
2Low
Low all day (peak 2)
Air quality
26Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.24 inHg1024 hPa
Falling slowly · −0.04 inHg−1.3 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (43°6° then, 45°7° now)

Good hours for
  • Dry until tonight 3 AM
  • Above 50°10° today by noon
  • Rain tonight 3–7 AM (50%, 0.06 in1.5 mm)
  • Dry break tomorrow 7 AM–1 PM
  • Rain tomorrow 1–4 PM (50%, 0.06 in1.5 mm)
  1. This morningUp to 47°8° by 11 AM · rain chance 10% · Cloudy
  2. This afternoonUp to 55°13° by 4 PM · rain chance 10% · Cloudy
  3. TonightDown to 42°6° by 2 AM · Rain 3–6 AM (50%)
  4. Tomorrow morningUp to 49°9° by 11 AM · Rain 6–7 AM (40%)
  5. Tomorrow afternoonUp to 58°14° by 4 PM · Rain 1–4 PM (50%)
  6. Tomorrow nightDown to 41°5° by 4 AM · rain chance 20% · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 7aCloudy38°3° (likely 38°3° to 44°7°)38°3°5%2 mph3 km/h from ENE, gusts 7 mph12 km/h93%81%0
Sat 8aCloudy37°3° (likely 37°3° to 44°7°)37°3°5%2 mph3 km/h from ENE, gusts 7 mph11 km/h93%84%0
Sat 9aCloudy38°3° (likely 38°3° to 46°8°)38°3°10%2 mph3 km/h from ENE, gusts 6 mph9 km/h96%95%0
Sat 10aCloudy43°6° (likely 43°6° to 48°9°)43°6°10%1 mph2 km/h from ENE, gusts 7 mph11 km/h88%97%1
Sat 11aCloudy47°8° (likely 44°7° to 50°10°)47°8°10%1 mph2 km/h from ENE, gusts 9 mph14 km/h81%99%1
Sat 12pCloudy51°11° (likely 44°7° to 52°11°)51°11°10%0 mph0 km/h, gusts 8 mph13 km/h71%99%1
Sat 1pCloudy53°12° (likely 44°7° to 56°13°)53°12°10%0 mph0 km/h, gusts 5 mph7 km/h68%99%1
Sat 2pCloudy54°12° (likely 45°7° to 56°13°)54°12°10%1 mph2 km/h from ENE, gusts 5 mph8 km/h68%99%1
Sat 3pCloudy54°12° (likely 45°7° to 55°13°)54°12°10%2 mph3 km/h from NE, gusts 6 mph9 km/h67%100%0
Sat 4pCloudy55°13° (likely 45°7° to 55°13°)55°13°10%2 mph3 km/h from NE, gusts 5 mph9 km/h67%100%0
Sat 5pCloudy53°12° (likely 45°7° to 53°12°)53°12°10%3 mph5 km/h from NE, gusts 7 mph11 km/h68%98%0
Sat 6pMostly cloudy53°12° (likely 44°7° to 53°12°)53°12°10%5 mph8 km/h from NE, gusts 9 mph14 km/h68%93%0
Sat 7pCloudy49°9° (likely 44°7° to 51°11°)46°8°10%7 mph11 km/h from ENE, gusts 11 mph17 km/h76%91%0
Sat 8pCloudy46°8° (likely 44°7° to 51°11°)41°5°10%9 mph14 km/h from ENE, gusts 11 mph18 km/h80%86%0
Sat 9pMostly cloudy45°7° (likely 43°6° to 51°11°)39°4°10%13 mph21 km/h from ENE, gusts 8 mph13 km/h80%95%0
Sat 10pCloudy45°7° (likely 43°6° to 51°11°)39°4°10%12 mph19 km/h from ENE, gusts 8 mph13 km/h80%100%0
Sat 11pCloudy43°6° (likely 43°6° to 53°12°)38°3°10%, 0.02 in0.5 mm9 mph14 km/h from ENE, gusts 6 mph10 km/h85%100%0
Sun 12aCloudy44°7° (likely 43°6° to 53°12°)39°4°10%, 0.02 in0.5 mm8 mph13 km/h from ENE, gusts 7 mph11 km/h81%100%0
Sun 1aCloudy44°7° (likely 43°6° to 53°12°)40°4°10%, 0.02 in0.5 mm7 mph11 km/h from ENE, gusts 6 mph10 km/h83%100%0
Sun 2aCloudy42°6° (likely 42°6° to 53°12°)38°3°20%, 0.02 in0.5 mm6 mph10 km/h from NE, gusts 6 mph10 km/h87%99%0
Sun 3aRain42°6° (likely 42°6° to 53°12°)38°3°20%, 0.02 in0.5 mm6 mph10 km/h from NE, gusts 7 mph12 km/h88%100%0
Sun 4aRain43°6° (likely 43°6° to 51°11°)39°4°20%, 0.02 in0.5 mm6 mph10 km/h from NE, gusts 11 mph18 km/h87%98%0
Sun 5aRain42°6° (likely 42°6° to 51°11°)38°3°50%, 0.01 in0.3 mm6 mph10 km/h from NE, gusts 9 mph15 km/h91%98%0
Sun 6aRain42°6° (likely 42°6° to 51°11°)38°3°40%, 0.01 in0.3 mm6 mph10 km/h from NE, gusts 11 mph18 km/h89%98%0
Sun 7aCloudy42°6° (likely 42°6° to 50°10°)38°3°10%, 0.01 in0.3 mm6 mph10 km/h from NE, gusts 11 mph18 km/h89%95%0
Sun 8aCloudy42°6° (likely 42°6° to 51°11°)38°3°10%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 9 mph14 km/h91%98%0
Sun 9aCloudy41°5° (likely 41°5° to 51°11°)36°2°10%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 7 mph11 km/h97%95%0
Sun 10aCloudy45°7° (likely 45°7° to 52°11°)41°5°10%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 11 mph18 km/h95%97%1
Sun 11aCloudy49°9° (likely 47°8° to 54°12°)47°8°0%, 0.02 in0.5 mm6 mph10 km/h from E, gusts 7 mph12 km/h90%97%1
Sun 12pCloudy53°12° (likely 48°9° to 56°13°)53°12°5%, 0.02 in0.5 mm6 mph10 km/h from E, gusts 9 mph15 km/h79%100%2
Sun 1pCloudy56°13° (likely 49°9° to 56°13°)56°13°40%, 0.02 in0.5 mm6 mph10 km/h from E, gusts 7 mph12 km/h74%99%2
Sun 2pCloudy57°14° (likely 49°9° to 57°14°)57°14°50%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 7 mph11 km/h72%99%2
Sun 3pCloudy57°14° (likely 50°10° to 57°14°)57°14°40%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 9 mph15 km/h71%96%2
Sun 4pCloudy58°14° (likely 50°10° to 58°14°)58°14°10%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 9 mph15 km/h72%91%2
Sun 5pCloudy56°13° (likely 49°9° to 56°13°)56°13°20%2 mph3 km/h from E, gusts 8 mph13 km/h76%85%1
Sun 6pCloudy55°13° (likely 48°9° to 55°13°)55°13°20%2 mph3 km/h from E, gusts 6 mph9 km/h77%86%0
Sun 7pCloudy51°11° (likely 47°8° to 52°11°)51°11°20%2 mph3 km/h from E, gusts 5 mph9 km/h84%97%0
Sun 8pRain47°8° (likely 46°8° to 51°11°)44°7°20%6 mph10 km/h from ENE, gusts 6 mph10 km/h92%91%0
Sun 9pCloudy45°7° (likely 45°7° to 52°11°)42°6°20%6 mph10 km/h from ENE, gusts 5 mph7 km/h95%86%0
Sun 10pCloudy44°7° (likely 44°7° to 50°10°)40°4°20%6 mph10 km/h from ENE, gusts 7 mph12 km/h96%87%0
Sun 11pCloudy43°6° (likely 43°6° to 49°9°)38°3°10%8 mph13 km/h from ENE, gusts 8 mph13 km/h95%85%0
Mon 12aMostly cloudy42°6° (likely 42°6° to 51°11°)38°3°10%8 mph13 km/h from ENE, gusts 7 mph11 km/h95%88%0
Mon 1aCloudy42°6° (likely 42°6° to 51°11°)37°3°10%8 mph13 km/h from ENE, gusts 8 mph13 km/h94%89%0
Mon 2aCloudy42°6° (likely 42°6° to 52°11°)40°4°10%3 mph5 km/h from ENE, gusts 7 mph11 km/h93%86%0
Mon 3aCloudy42°6° (likely 42°6° to 51°11°)40°4°10%3 mph5 km/h from ENE, gusts 6 mph10 km/h94%84%0
Mon 4aMostly cloudy41°5° (likely 41°5° to 50°10°)39°4°10%3 mph5 km/h from ENE, gusts 5 mph7 km/h95%73%0
Mon 5aMostly cloudy41°5° (likely 41°5° to 49°9°)41°5°10%2 mph3 km/h from ENE, gusts 5 mph7 km/h95%71%0
Mon 6aMostly cloudy40°4° (likely 40°4° to 47°8°)40°4°10%2 mph3 km/h from ENE, gusts 4 mph6 km/h94%47%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 55°13°, low 41°5°. Typical 57°14° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Mostly cloudy, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Rain, 42°6°

      50% chance · 0.11 in2.8 mm

    Official NWS forecast

    Today: Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. Northeast wind 0 to 3 mph.

    Tonight: A chance of rain after 2am. Mostly cloudy, with a low around 41. Northeast wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    45°7°–56°13°
    Low, likely
    37°3°–41°5°
    Typical high / low
    57°14° / 42°6°
    Wind
    9 mph15 km/h, gusts 19 mph31 km/h
    UV peak
    2
  2. Tomorrow, Oct 25. Rain. High 58°14°, low 40°4°. Typical 56°13° / 42°6°. Rain 0.12 in3 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 42°6°

      40% chance · 0.07 in1.8 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 58°14°

      50% chance · 0.1 in2.5 mm

    3. Evening

      6 PM–midnight

      Cloudy, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 41°5°

      Dry

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon. East northeast wind 2 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 40. East northeast wind 2 to 8 mph. Chance of precipitation is 20%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    50°10°–58°14°
    Low, likely
    40°4°–49°9°
    Typical high / low
    56°13° / 42°6°
    Wind
    10 mph16 km/h, gusts 26 mph41 km/h
    UV peak
    2
  3. Monday, Oct 26. Partly sunny. High 60°16°, low 40°4°. Typical 56°13° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 56°14°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 47°9°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 45°7°

      40% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 60. North northeast wind around 2 mph.

    Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    52°11°–60°16°
    Low, likely
    40°4°–45°7°
    Typical high / low
    56°13° / 42°6°
    Wind
    7 mph12 km/h, gusts 15 mph25 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Rain. High 58°14°, low 38°3°. Typical 56°13° / 41°5°. Rain 0.56 in14 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 46°8°

      50% chance · 0.07 in1.8 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 51°11°

      60% chance · 0.16 in4 mm

    3. Evening

      6 PM–midnight

      Rain, 48°9°

      70% chance · 0.28 in7.2 mm

    4. Overnight

      midnight–6 AM

      Rain, 45°7°

      80% chance · 0.2 in5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 58.

    Night: Rain likely. Mostly cloudy, with a low around 38.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    47°8°–58°14°
    Low, likely
    38°3°–47°8°
    Typical high / low
    56°13° / 41°5°
    Wind
    5 mph9 km/h, gusts 18 mph29 km/h
    UV peak
    1
  5. Wednesday, Oct 28. Rain. High 56°13°, low 34°1°. Typical 56°13° / 41°5°. Rain 0.66 in17 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Rain, 44°6°

      80% chance · 0.3 in0.8 cm

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      60% chance · 0.1 in0.3 cm

    3. Evening

      6 PM–midnight

      Drizzle, 44°6°

      60% chance · 0.1 in2.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 43°6°

      50% chance · 0.09 in2.4 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 56.

    Night: A chance of rain. Mostly cloudy, with a low around 34.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    44°7°–56°13°
    Low, likely
    34°1°–44°7°
    Typical high / low
    56°13° / 41°5°
    Wind
    6 mph9 km/h, gusts 20 mph33 km/h
  6. Thursday, Oct 29. Rain. High 56°13°, low 35°2°. Typical 55°13° / 41°5°. Rain 0.27 in6.9 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 41°5°

      40% chance · 0.14 in3.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 51°11°

      30% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 42°6°

      20% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 40°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 56.

    Night: A slight chance of rain. Mostly cloudy, with a low around 35.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    45°7°–56°13°
    Low, likely
    35°2°–42°6°
    Typical high / low
    55°13° / 41°5°
    Wind
    6 mph9 km/h, gusts 20 mph32 km/h
    UV peak
    1
  7. Friday, Oct 30. Rain. High 57°14°, low 35°2°. Typical 55°13° / 41°5°. Rain 0.07 in1.8 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 40°5°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 42°5°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 38°3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain before 11am. Mostly sunny, with a high near 57.

    Night: Partly cloudy, with a low around 35.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    45°7°–57°14°
    Low, likely
    34°1°–39°4°
    Typical high / low
    55°13° / 41°5°
    Wind
    5 mph8 km/h, gusts 13 mph22 km/h
    UV peak
    1
  8. Saturday, Oct 31. Drizzle. High 47°8°, low 35°2°. Typical 55°13° / 41°5°. Rain 0.05 in1.3 mm, 10% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 48°9°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 41°5°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 40°4°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    45°7°–51°11°
    Low, likely
    32°0°–40°4°
    Typical high / low
    55°13° / 41°5°
    Wind
    5 mph7 km/h, gusts 15 mph24 km/h
    UV peak
    2
  9. Sunday, Nov 1. Cloudy. High 48°9°, low 39°4°. Typical 54°12° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 48°9°

      20% chance · 0.06 in1.6 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 45°7°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 43°6°

      20% chance · 0.06 in1.5 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    46°8°–52°11°
    Low, likely
    34°1°–44°7°
    Typical high / low
    54°12° / 41°5°
    Wind
    7 mph11 km/h, gusts 14 mph23 km/h
  10. Monday, Nov 2. Cloudy. High 53°12°, low 40°4°. Typical 54°12° / 41°5°. Rain 0.17 in4.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 46°8°

      20% chance · 0.1 in2.5 mm

    2. Afternoon

      noon–6 PM

      Sunny, 55°13°

      20% chance · 0.11 in2.7 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 46°8°

      20% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    47°8°–65°18°
    Low, likely
    35°2°–46°8°
    Typical high / low
    54°12° / 41°5°
    Wind
    8 mph12 km/h, gusts 18 mph29 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 55°, low 41°.

  2. Tomorrow

    46% chance of rain, high 58°, low 40°, warming up.

  3. Monday

    Dry, high 60°, low 40°.

  4. Rest of week

    Highs 47–58°; chance of precipitation on Tuesday, Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

South Fork Nooksack River near Saxon Bridge

12 mi
Below flood stage
Level
0.3 ft
Flow
98 cfs

Forecast peak 0.8 ft Mon 4 AM

Reading from Sat 6 AM · NWS gauge page

Skagit River near Mt Vernon

14 mi
Below flood stage
Level
10.8 ft
Flow
7,030 cfs

Forecast peak 10.3 ft Sat 11 AM

Reading from Sat 5:15 AM · NWS gauge page

Skagit River near Concrete

14 mi
Below flood stage
Level
14.9 ft
Flow
5,920 cfs

Forecast peak 14.8 ft Sat 11 AM

Reading from Sat 6 AM · NWS gauge page

North Fork Stillaguamish River near Arlington

18 mi
Below flood stage
Level
1.4 ft
Flow
177 cfs

Forecast peak 1.8 ft Mon 4 AM

Reading from Sat 5:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 36Typical 115

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
30
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 16 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

SEDRO-WOOLLEY · official normals 1991–2020 · records 1896–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Normal high / low
57°14° / 42°6°
Forecast high / low
55°13° / 41°5°
Record high
78°26° in 1901
Record low
28°−2° in 1954

Last 7 days vs normal

  1. —SunOct 18
  2. —MonOct 19
  3. —TueOct 20
  4. —WedOct 21
  5. —ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Lyman weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:42 AM, sunset 6:01 PM.

Daylight
10 h 20 min
Losing 3 min 22 s a day; shortest Dec 21, 2 h 2 min less
Golden hour
5:17–6:21 PM
Morning 7:22–8:26 AM
Blue hour
6:21–6:34 PM
Morning 7:10–7:22 AM; first light 7:10 AM

Stars tonight? Poor

Clouds most of the night (about 97% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:57 AM · rises 5:03 PM
Full moon
Oct 25
New moon
Nov 8
Looking northeast from Lyman. The highest point on the skyline is about 6,500 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.