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Observed 6:40 AM PDT at KBLI

Sudden Valley, WA weather

Overcast and 39°4°.

Today: low 42°6° (likely 38°3° to 42°6°), high 52°11° (likely 45°7° to 52°11°).

Mostly agree

Now 39°4°

Cloudy

Wind
3 mph5 km/h
From the north. Light through 7 PM
Dew point
36°2°
Comfortable · up to 44°7° by 1 PM
UV tomorrow
2Low
Low all day (peak 2)
Air quality
26Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.25 inHg1024 hPa
Falling slowly · −0.04 inHg−1.2 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 (36°2° then, 37°3° now)

Good hours for
  • Dry until 11 PM
  • High 52°11° today at 4 PM
  • Rain tonight 11 PM–7 AM (60%, 0.14 in3.6 mm)
  • Dry break tomorrow 7 AM–2 PM
  • Drizzle tomorrow 2–4 PM (50%)
  1. This morningUp to 47°8° by 11 AM · Cloudy
  2. This afternoonNear 50°10° · rain chance 20% · Cloudy
  3. TonightDown to 44°7° by 1 AM · Rain 11 PM–6 AM (60%)
  4. Tomorrow morningUp to 49°9° by 11 AM · Rain 6–7 AM (50%)
  5. Tomorrow afternoonNear 53°12° · Rain 2–4 PM (50%)
  6. Tomorrow nightDown to 43°6° by 4 AM · rain chance 20% · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 7aCloudy40°4° (likely 40°4° to 42°6°)40°4°5%1 mph2 km/h from ESE, gusts 5 mph8 km/h90%87%0
Sat 8aCloudy40°4° (likely 40°4° to 42°6°)40°4°5%1 mph2 km/h from ESE, gusts 5 mph8 km/h91%93%0
Sat 9aCloudy41°5° (likely 41°5° to 43°6°)41°5°10%1 mph2 km/h from ESE, gusts 3 mph4 km/h94%98%0
Sat 10aCloudy45°7° (likely 43°6° to 45°7°)45°7°10%0 mph0 km/h, gusts 3 mph4 km/h88%98%1
Sat 11aCloudy47°8° (likely 44°7° to 47°8°)47°8°10%0 mph0 km/h, gusts 5 mph8 km/h85%99%1
Sat 12pCloudy49°9° (likely 45°7° to 49°9°)49°9°10%0 mph0 km/h, gusts 3 mph5 km/h81%99%1
Sat 1pCloudy50°10° (likely 45°7° to 50°10°)50°10°10%1 mph2 km/h from N, gusts 6 mph10 km/h80%99%2
Sat 2pCloudy50°10° (likely 45°7° to 50°10°)50°10°10%1 mph2 km/h from N, gusts 6 mph10 km/h79%100%1
Sat 3pCloudy51°11° (likely 45°7° to 51°11°)51°11°10%1 mph2 km/h from NNE, gusts 4 mph6 km/h77%100%1
Sat 4pCloudy52°11° (likely 45°7° to 52°11°)52°11°20%1 mph2 km/h from NE, gusts 4 mph6 km/h77%100%1
Sat 5pCloudy50°10° (likely 45°7° to 50°10°)50°10°20%1 mph2 km/h from NE, gusts 4 mph6 km/h79%100%0
Sat 6pRain49°9° (likely 44°7° to 49°9°)49°9°20%1 mph2 km/h from NE, gusts 4 mph7 km/h82%97%0
Sat 7pRain47°8° (likely 44°7° to 47°8°)47°8°20%2 mph3 km/h from ENE, gusts 5 mph9 km/h85%96%0
Sat 8pCloudy46°8° (likely 43°6° to 46°8°)45°7°20%3 mph5 km/h from E, gusts 4 mph6 km/h83%95%0
Sat 9pRain45°7° (likely 43°6° to 46°8°)44°7°20%3 mph5 km/h from E, gusts 4 mph7 km/h85%99%0
Sat 10pRain45°7° (likely 43°6° to 45°7°)44°7°20%3 mph5 km/h from E, gusts 4 mph7 km/h83%99%0
Sat 11pRain45°7° (likely 43°6° to 45°7°)44°7°20%, 0.02 in0.5 mm3 mph5 km/h from ESE, gusts 4 mph6 km/h83%100%0
Sun 12aRain45°7° (likely 43°6° to 45°7°)44°7°20%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 4 mph7 km/h83%99%0
Sun 1aRain44°7° (likely 43°6° to 46°8°)44°7°20%, 0.02 in0.5 mm2 mph3 km/h from ESE, gusts 3 mph5 km/h86%100%0
Sun 2aRain44°7° (likely 43°6° to 46°8°)42°6°40%, 0.02 in0.5 mm3 mph5 km/h from ESE, gusts 3 mph6 km/h87%100%0
Sun 3aRain44°7° (likely 43°6° to 45°7°)42°6°40%, 0.02 in0.5 mm3 mph5 km/h from ESE, gusts 5 mph8 km/h88%100%0
Sun 4aRain44°7° (likely 43°6° to 46°8°)42°6°40%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 6 mph10 km/h89%99%0
Sun 5aCloudy44°7° (likely 43°6° to 46°8°)42°6°60%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 5 mph8 km/h91%100%0
Sun 6aCloudy44°7° (likely 43°6° to 46°8°)42°6°50%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 5 mph9 km/h91%100%0
Sun 7aCloudy42°6° (likely 42°6° to 46°8°)40°4°0%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 8 mph12 km/h92%99%0
Sun 8aCloudy43°6° (likely 43°6° to 46°8°)41°5°5%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 7 mph11 km/h94%100%0
Sun 9aDrizzle43°6° (likely 43°6° to 47°8°)41°5°5%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 16 mph26 km/h99%99%0
Sun 10aCloudy47°8° (likely 46°8° to 47°8°)46°8°0%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 9 mph15 km/h96%100%1
Sun 11aMostly cloudy49°9° (likely 47°8° to 50°10°)49°9°0%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 10 mph15 km/h93%99%1
Sun 12pCloudy52°11° (likely 49°9° to 52°11°)52°11°0%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 10 mph17 km/h87%94%2
Sun 1pDrizzle53°12° (likely 49°9° to 53°12°)53°12°20%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 17 mph27 km/h82%92%1
Sun 2pDrizzle54°12° (likely 50°10° to 54°12°)54°12°50%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 17 mph28 km/h79%90%2
Sun 3pCloudy55°13° (likely 50°10° to 55°13°)55°13°50%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 13 mph21 km/h77%88%2
Sun 4pCloudy55°13° (likely 50°10° to 55°13°)55°13°10%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 12 mph19 km/h78%87%1
Sun 5pRain53°12° (likely 50°10° to 53°12°)53°12°20%1 mph2 km/h from E, gusts 14 mph22 km/h82%86%1
Sun 6pRain51°11° (likely 48°9° to 51°11°)51°11°20%1 mph2 km/h from E, gusts 11 mph18 km/h86%93%0
Sun 7pRain49°9° (likely 47°8° to 49°9°)49°9°20%1 mph2 km/h from E, gusts 9 mph14 km/h88%95%0
Sun 8pRain47°8° (likely 46°8° to 48°9°)47°8°20%2 mph3 km/h from NE, gusts 5 mph8 km/h88%89%0
Sun 9pCloudy46°8° (likely 45°7° to 47°8°)46°8°20%2 mph3 km/h from NE, gusts 4 mph7 km/h88%87%0
Sun 10pCloudy45°7° (likely 45°7° to 47°8°)45°7°20%2 mph3 km/h from NE, gusts 5 mph7 km/h88%87%0
Sun 11pCloudy45°7° (likely 45°7° to 47°8°)45°7°10%2 mph3 km/h from ENE, gusts 4 mph7 km/h88%83%0
Mon 12aCloudy45°7° (likely 44°7° to 47°8°)45°7°10%2 mph3 km/h from ENE, gusts 6 mph10 km/h89%72%0
Mon 1aCloudy44°7° (likely 43°6° to 47°8°)44°7°10%2 mph3 km/h from ENE, gusts 4 mph6 km/h89%84%0
Mon 2aCloudy44°7° (likely 43°6° to 47°8°)44°7°10%1 mph2 km/h from ENE, gusts 5 mph7 km/h90%87%0
Mon 3aCloudy44°7° (likely 43°6° to 47°8°)44°7°10%1 mph2 km/h from ENE, gusts 4 mph6 km/h91%76%0
Mon 4aMostly cloudy43°6° (likely 43°6° to 47°8°)43°6°10%1 mph2 km/h from ENE, gusts 3 mph5 km/h91%70%0
Mon 5aMostly cloudy43°6° (likely 42°6° to 46°8°)43°6°5%1 mph2 km/h from NE, gusts 4 mph6 km/h92%65%0
Mon 6aMostly cloudy42°6° (likely 39°4° to 46°8°)42°6°5%1 mph2 km/h from NE, gusts 3 mph5 km/h93%46%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Rain. High 52°11°, low 42°6°. Typical 56°13° / 42°6°. Rain 0.05 in1.3 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 40°4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 52°11°

      20% chance

    3. Evening

      6 PM–midnight

      Rain, 46°8°

      20% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Rain, 44°7°

      60% chance · 0.11 in2.8 mm

    Official NWS forecast

    Today: A slight chance of rain after 4pm. Cloudy. High near 52, with temperatures falling to around 50 in the afternoon. North northeast wind around 1 mph. Chance of precipitation is 20%.

    Tonight: Rain likely. Cloudy. Low around 42, with temperatures rising to around 44 overnight. East wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

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

    High, likely
    45°7°–52°11°
    Low, likely
    38°3°–42°6°
    Typical high / low
    56°13° / 42°6°
    Wind
    6 mph10 km/h, gusts 13 mph20 km/h
    UV peak
    2
  2. Tomorrow, Oct 25. Rain. High 56°13°, low 42°6°. Typical 56°13° / 41°5°. Rain 0.19 in4.8 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 43°6°

      50% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 55°13°

      50% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Cloudy, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 43°6°

      Dry

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy. High near 56, with temperatures falling to around 53 in the afternoon. East wind around 3 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 42. East northeast wind around 2 mph. Chance of precipitation is 20%.

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

    High, likely
    51°11°–56°13°
    Low, likely
    42°6°–45°7°
    Typical high / low
    56°13° / 41°5°
    Wind
    11 mph17 km/h, gusts 29 mph47 km/h
    UV peak
    2
  3. Monday, Oct 26. Partly sunny. High 56°13°, low 42°6°. Typical 56°13° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 54°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 45°7°

      30% chance · 0.04 in1 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 56. North northeast wind around 1 mph.

    Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

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

    High, likely
    51°11°–56°13°
    Low, likely
    39°4°–45°7°
    Typical high / low
    56°13° / 41°5°
    Wind
    5 mph8 km/h, gusts 12 mph19 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Rain. High 55°13°, low 40°4°. Typical 56°13° / 41°5°. Rain 0.26 in6.6 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 45°7°

      40% chance · 0.03 in0.9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 50°10°

      60% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 46°8°

      70% chance · 0.07 in1.7 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 43°6°

      80% chance · 0.13 in3.4 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 55.

    Night: Rain likely. Mostly cloudy, with a low around 40.

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

    High, likely
    47°8°–55°13°
    Low, likely
    40°4°–45°7°
    Typical high / low
    56°13° / 41°5°
    Wind
    10 mph15 km/h, gusts 19 mph30 km/h
    UV peak
    2
  5. Wednesday, Oct 28. Rain. High 54°12°, low 37°3°. Typical 55°13° / 41°5°. Rain 0.54 in14 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Snow showers, 42°6°

      70% chance · 0.3 in0.7 cm

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      60% chance · 0.2 in0.4 cm

    3. Evening

      6 PM–midnight

      Drizzle, 41°5°

      50% chance · 0.1 in2.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 40°4°

      50% chance · 0.04 in1 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 54.

    Night: A chance of rain. Mostly cloudy, with a low around 37.

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

    High, likely
    45°7°–54°12°
    Low, likely
    37°3°–42°6°
    Typical high / low
    55°13° / 41°5°
    Wind
    10 mph16 km/h, gusts 20 mph32 km/h
    UV peak
    2
  6. Thursday, Oct 29. Rain. High 53°12°, low 36°2°. Typical 55°13° / 41°5°. Rain 0.29 in7.4 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 38°3°

      40% chance · 0.18 in4.6 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 48°9°

      30% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Cloudy, 40°5°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 38°3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 53.

    Night: A slight chance of rain before 5am. Mostly cloudy, with a low around 36.

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

    High, likely
    44°7°–53°12°
    Low, likely
    34°1°–40°4°
    Typical high / low
    55°13° / 41°5°
    Wind
    5 mph9 km/h, gusts 15 mph24 km/h
  7. Friday, Oct 30. Rain. High 54°12°, low 36°2°. Typical 55°13° / 40°4°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 46°8°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 40°4°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 36°2°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 54.

    Night: Partly cloudy, with a low around 36.

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

    High, likely
    44°7°–54°12°
    Low, likely
    35°2°–37°3°
    Typical high / low
    55°13° / 40°4°
    Wind
    6 mph10 km/h, gusts 14 mph22 km/h
    UV peak
    1
  8. Saturday, Oct 31. Drizzle. High 47°8°, low 35°2°. Typical 55°13° / 40°4°. Rain 0.04 in1 mm, 10% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 47°8°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 40°4°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 38°3°

      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°–49°9°
    Low, likely
    31°−1°–37°3°
    Typical high / low
    55°13° / 40°4°
    Wind
    5 mph8 km/h, gusts 12 mph19 km/h
    UV peak
    2
  9. Sunday, Nov 1. Cloudy. High 47°8°, low 38°3°. Typical 54°12° / 40°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 47°8°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 42°6°

      Dry

    4. Overnight

      midnight–6 AM

      Partly 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.

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

    High, likely
    43°6°–51°11°
    Low, likely
    32°0°–42°6°
    Typical high / low
    54°12° / 40°4°
    Wind
    6 mph9 km/h, gusts 20 mph33 km/h
    UV peak
    1
  10. Monday, Nov 2. Partly sunny. High 53°12°, low 39°4°. Typical 54°12° / 40°4°. Rain 0.13 in3.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 45°7°

      20% chance · 0.1 in2.4 mm

    2. Afternoon

      noon–6 PM

      Sunny, 53°12°

      20% chance · 0.1 in2.5 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 45°7°

      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
    48°9°–61°16°
    Low, likely
    32°0°–43°6°
    Typical high / low
    54°12° / 40°4°
    Wind
    6 mph10 km/h, gusts 15 mph25 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 52°, low 42°.

  2. Tomorrow

    54% chance of rain, high 56°, low 42°, warming up.

  3. Monday

    Dry, high 56°, low 42°.

  4. Rest of week

    Highs 47–55°; chance of precipitation on 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

Nooksack River at North Cedarvillle

8.5 mi
Below flood stage
Level
138 ft
Flow
457 cfs

Forecast peak 138 ft Mon 4 AM

Reading from Sat 5:30 AM · NWS gauge page

South Fork Nooksack River near Saxon Bridge

8.7 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

Nooksack River at Ferndale

14 mi
Below flood stage
Level
3.4 ft
Flow
394 cfs

Forecast peak 3.8 ft Wed 11 PM

Reading from Sat 5:30 AM · NWS gauge page

Skagit River near Mt Vernon

19 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

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 117

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
31
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 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°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?

Bellingham International Airport · official normals 1991–2020 · records 1949–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Normal high / low
56°13° / 42°6°
Forecast high / low
52°11° / 42°6°
Record high
72°22° in 1957
Record low
27°−3° in 1954

Last 7 days vs normal

On average 3°1° colder than normal (daily mean temperature).

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

Sudden Valley weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:43 AM, sunset 6:02 PM.

Daylight
10 h 19 min
Losing 3 min 22 s a day; shortest Dec 21, 2 h 3 min less
Golden hour
5:18–6:22 PM
Morning 7:23–8:28 AM
Blue hour
6:22–6:34 PM
Morning 7:11–7:23 AM; first light 7:11 AM

Stars tonight? Poor

Clouds most of the night (about 99% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:59 AM · rises 5:04 PM
Full moon
Oct 25
New moon
Nov 8
Looking east from Sudden Valley. The highest point on the skyline is about 4,300 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.