Skip to forecast
Search a place

Observed 2:35 AM PDT at KBVS

Hamilton, WA weather

Mostly clear and 39°4°.

Today: low 38°3° (likely 38°3° to 42°6°), high 55°13° (likely 46°8° to 56°13°).

Forecasts differ

Now 39°4°

Mostly clear

Wind
Calm
Light through 3 PM
Dew point
37°3°
Comfortable
Humidity
93%
Air 39°4°, dew point 37°3° · fog or dew likely
UV tomorrow
2Low
Low all day (peak 2)
Air quality
26Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.31 inHg1026 hPa
Falling slowly · −0.02 inHg−0.7 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

9°5° cooler than this time yesterday (48°9° then, 39°4° now)

Good hours for
  • Dry until tonight 2 AM
  • Above 50°10° today by noon
  • Rain tonight 2–7 AM (50%, 0.08 in2 mm)
  • Dry break tomorrow 7 AM–1 PM
  • Rain tomorrow 1–4 PM (40%, 0.06 in1.5 mm)
  1. TonightNear 39°4° · Mostly cloudy
  2. This morningUp to 48°9° by 11 AM · rain chance 10% · Cloudy
  3. This afternoonUp to 55°13° by 2 PM · rain chance 10% · Cloudy
  4. TonightDown to 44°7° by 2 AM · Rain 2–6 AM (50%)
  5. Tomorrow morningUp to 50°10° by 11 AM · Rain 6–7 AM (40%)
  6. Tomorrow afternoonUp to 58°14° by 2 PM · Rain 1–4 PM (40%)
  7. Tomorrow nightDown to 44°7° by midnight · Mostly cloudy · rain chance 20%
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 3aCloudy38°3° (likely 38°3° to 43°6°)36°2°0%3 mph5 km/h from ENE, gusts 6 mph9 km/h97%71%0
Sat 4aCloudy39°4° (likely 38°3° to 43°6°)37°3°0%3 mph5 km/h from ENE, gusts 6 mph10 km/h97%79%0
Sat 5aCloudy39°4° (likely 38°3° to 43°6°)37°3°5%3 mph5 km/h from ENE, gusts 7 mph12 km/h95%84%0
Sat 6aCloudy38°3° (likely 38°3° to 43°6°)36°2°5%3 mph5 km/h from ENE, gusts 7 mph12 km/h91%91%0
Sat 7aMostly cloudy39°4° (likely 38°3° to 44°7°)37°3°5%3 mph5 km/h from ENE, gusts 6 mph10 km/h91%68%0
Sat 8aCloudy39°4° (likely 38°3° to 43°6°)37°3°5%3 mph5 km/h from ENE, gusts 7 mph11 km/h89%84%0
Sat 9aCloudy40°4° (likely 40°4° to 45°7°)38°3°10%3 mph5 km/h from ENE, gusts 8 mph13 km/h89%95%0
Sat 10aCloudy44°7° (likely 42°6° to 48°9°)44°7°10%2 mph3 km/h from ENE, gusts 8 mph13 km/h84%97%1
Sat 11aCloudy48°9° (likely 44°7° to 52°11°)48°9°10%2 mph3 km/h from ENE, gusts 7 mph11 km/h76%99%1
Sat 12pCloudy51°11° (likely 45°7° to 54°12°)51°11°10%2 mph3 km/h from E, gusts 7 mph11 km/h72%99%1
Sat 1pCloudy54°12° (likely 45°7° to 55°13°)54°12°10%1 mph2 km/h from ENE, gusts 7 mph12 km/h68%99%1
Sat 2pCloudy55°13° (likely 45°7° to 56°13°)55°13°10%2 mph3 km/h from ENE, gusts 9 mph15 km/h66%99%1
Sat 3pCloudy55°13° (likely 46°8° to 56°13°)55°13°10%3 mph5 km/h from ENE, gusts 9 mph14 km/h67%100%0
Sat 4pCloudy55°13° (likely 46°8° to 55°13°)55°13°10%5 mph8 km/h from E, gusts 11 mph17 km/h66%99%0
Sat 5pCloudy54°12° (likely 46°8° to 54°12°)54°12°10%6 mph10 km/h from ENE, gusts 9 mph14 km/h65%100%0
Sat 6pCloudy53°12° (likely 45°7° to 53°12°)53°12°10%6 mph10 km/h from ENE, gusts 9 mph14 km/h66%92%0
Sat 7pCloudy51°11° (likely 45°7° to 52°11°)51°11°10%8 mph13 km/h from E, gusts 9 mph15 km/h71%92%0
Sat 8pCloudy49°9° (likely 44°7° to 54°12°)45°7°10%10 mph16 km/h from ENE, gusts 12 mph19 km/h72%88%0
Sat 9pCloudy47°8° (likely 44°7° to 54°12°)41°5°10%14 mph23 km/h from E, gusts 13 mph20 km/h75%99%0
Sat 10pCloudy46°8° (likely 44°7° to 54°12°)40°4°10%13 mph21 km/h from E, gusts 12 mph19 km/h78%100%0
Sat 11pCloudy45°7° (likely 44°7° to 54°12°)40°4°10%, 0.02 in0.5 mm10 mph16 km/h from ENE, gusts 10 mph16 km/h81%100%0
Sun 12aCloudy45°7° (likely 44°7° to 53°12°)40°4°10%, 0.02 in0.5 mm9 mph14 km/h from ENE, gusts 10 mph16 km/h80%100%0
Sun 1aCloudy45°7° (likely 44°7° to 54°12°)41°5°10%, 0.02 in0.5 mm8 mph13 km/h from E, gusts 9 mph15 km/h81%100%0
Sun 2aCloudy44°7° (likely 43°6° to 55°13°)40°4°20%, 0.02 in0.5 mm7 mph11 km/h from NE, gusts 8 mph12 km/h83%98%0
Sun 3aRain44°7° (likely 44°7° to 53°12°)40°4°20%, 0.02 in0.5 mm7 mph11 km/h from ENE, gusts 12 mph20 km/h84%100%0
Sun 4aRain44°7° (likely 43°6° to 52°11°)40°4°20%, 0.02 in0.5 mm7 mph11 km/h from ENE, gusts 13 mph21 km/h84%99%0
Sun 5aRain44°7° (likely 43°6° to 53°12°)40°4°50%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 13 mph22 km/h84%100%0
Sun 6aRain43°6° (likely 43°6° to 52°11°)39°4°40%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 13 mph21 km/h85%99%0
Sun 7aCloudy43°6° (likely 43°6° to 53°12°)39°4°10%, 0.01 in0.3 mm7 mph11 km/h from E, gusts 15 mph24 km/h87%96%0
Sun 8aCloudy43°6° (likely 43°6° to 52°11°)38°3°10%, 0.01 in0.3 mm8 mph13 km/h from E, gusts 12 mph20 km/h87%98%0
Sun 9aCloudy43°6° (likely 43°6° to 52°11°)38°3°10%, 0.01 in0.3 mm8 mph13 km/h from E, gusts 10 mph16 km/h92%94%0
Sun 10aCloudy46°8° (likely 45°7° to 54°12°)42°6°10%, 0.01 in0.3 mm8 mph13 km/h from E, gusts 9 mph14 km/h92%97%1
Sun 11aCloudy50°10° (likely 47°8° to 56°13°)47°8°0%, 0.02 in0.5 mm7 mph11 km/h from E, gusts 11 mph17 km/h86%98%1
Sun 12pCloudy53°12° (likely 48°9° to 56°13°)53°12°10%, 0.02 in0.5 mm7 mph11 km/h from E, gusts 13 mph21 km/h80%100%2
Sun 1pCloudy56°13° (likely 49°9° to 59°15°)56°13°40%, 0.02 in0.5 mm7 mph11 km/h from E, gusts 12 mph19 km/h74%99%2
Sun 2pCloudy58°14° (likely 50°10° to 61°16°)58°14°40%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 11 mph17 km/h71%99%2
Sun 3pCloudy57°14° (likely 50°10° to 62°17°)57°14°40%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 10 mph16 km/h72%100%2
Sun 4pMostly cloudy58°14° (likely 50°10° to 62°17°)58°14°10%, 0.02 in0.5 mm3 mph5 km/h from E, gusts 10 mph15 km/h72%60%1
Sun 5pRain56°13° (likely 49°9° to 59°15°)56°13°20%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 13 mph21 km/h73%56%1
Sun 6pRain56°13° (likely 50°10° to 56°13°)56°13°20%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 13 mph21 km/h75%54%0
Sun 7pCloudy53°12° (likely 49°9° to 54°12°)53°12°20%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 11 mph18 km/h79%59%0
Sun 8pRain49°9° (likely 48°9° to 53°12°)46°8°20%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 10 mph16 km/h83%50%0
Sun 9pRain47°8° (likely 47°8° to 52°11°)43°6°20%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 8 mph12 km/h86%53%0
Sun 10pRain46°8° (likely 46°8° to 52°11°)41°5°20%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 6 mph10 km/h89%57%0
Sun 11pMostly cloudy45°7° (likely 45°7° to 51°11°)40°4°10%9 mph14 km/h from ENE, gusts 9 mph15 km/h90%65%0
Mon 12aMostly cloudy44°7° (likely 44°7° to 51°11°)39°4°10%9 mph14 km/h from ENE, gusts 10 mph15 km/h90%90%0
Mon 1aMostly cloudy44°7° (likely 44°7° to 52°11°)39°4°10%9 mph14 km/h from ENE, gusts 10 mph16 km/h88%89%0
Mon 2aMostly cloudy44°7° (likely 44°7° to 52°11°)41°5°10%5 mph8 km/h from ENE, gusts 9 mph15 km/h87%84%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly cloudy. High 55°13°, low 38°3°. Typical 57°14° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Rain, 44°7°

      50% chance · 0.11 in2.8 mm

    Official NWS forecast

    Today: Mostly cloudy, with a high near 55. East northeast wind 1 to 6 mph.

    Tonight: Mostly cloudy, with a low around 38. East northeast wind around 3 mph.

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

    High, likely
    46°8°–56°13°
    Low, likely
    38°3°–42°6°
    Typical high / low
    57°14° / 42°6°
    Wind
    7 mph10 km/h, gusts 30 mph48 km/h
    UV peak
    1
  2. Tomorrow, Oct 25. Rain. High 58°14°, low 42°6°. Typical 56°13° / 42°6°. Rain 0.11 in2.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 43°6°

      40% chance · 0.07 in1.8 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 58°14°

      40% chance · 0.11 in2.8 mm

    3. Evening

      6 PM–midnight

      Rain, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 44°7°

      Dry

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 58. East wind 3 to 8 mph. Chance of precipitation is 40%. 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 3 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

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

    High, likely
    50°10°–62°17°
    Low, likely
    42°6°–50°10°
    Typical high / low
    56°13° / 42°6°
    Wind
    9 mph15 km/h, gusts 38 mph61 km/h
    UV peak
    2
  3. Monday, Oct 26. Partly sunny. High 61°16°, low 42°6°. Typical 56°13° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 46°8°

      40% chance · 0.03 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 61.

    Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 42.

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

    High, likely
    51°11°–61°16°
    Low, likely
    42°6°–47°8°
    Typical high / low
    56°13° / 42°6°
    Wind
    6 mph9 km/h, gusts 20 mph32 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Rain. High 58°14°, low 40°4°. Typical 56°13° / 41°5°. Rain 0.54 in14 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 48°9°

      50% chance · 0.05 in1.4 mm

    2. Afternoon

      noon–6 PM

      Showers, 51°10°

      60% chance · 0.17 in4.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 48°9°

      70% chance · 0.25 in6.4 mm

    4. Overnight

      midnight–6 AM

      Rain, 44°7°

      70% chance · 0.31 in7.9 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 40.

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

    High, likely
    47°8°–58°14°
    Low, likely
    40°4°–47°8°
    Typical high / low
    56°13° / 41°5°
    Wind
    6 mph9 km/h, gusts 30 mph48 km/h
  5. Wednesday, Oct 28. Rain. High 56°13°, low 36°2°. Typical 56°13° / 41°5°. Rain 0.66 in17 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 44°6°

      70% chance · 0.18 in4.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      60% chance · 0.07 in1.8 mm

    3. Evening

      6 PM–midnight

      Drizzle, 44°7°

      60% chance · 0.08 in2.1 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 43°6°

      40% chance · 0.06 in1.4 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 36.

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

    High, likely
    43°6°–56°13°
    Low, likely
    36°2°–45°7°
    Typical high / low
    56°13° / 41°5°
    Wind
    7 mph10 km/h, gusts 32 mph51 km/h
    UV peak
    1
  6. Thursday, Oct 29. Rain. High 57°14°, low 36°2°. Typical 55°13° / 41°5°. Rain 0.29 in7.4 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 42°5°

      40% chance · 0.2 in0.4 cm

    2. Afternoon

      noon–6 PM

      Drizzle, 49°9°

      30% chance · 0.04 in1.1 mm

    3. Evening

      6 PM–midnight

      Partly cloudy, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 57.

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

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

    High, likely
    43°6°–57°14°
    Low, likely
    35°2°–43°6°
    Typical high / low
    55°13° / 41°5°
    Wind
    6 mph9 km/h, gusts 24 mph39 km/h
    UV peak
    1
  7. Friday, Oct 30. Rain. High 58°14°, low 37°3°. Typical 55°13° / 41°5°. Rain 0.12 in3 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 48°9°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 42°5°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 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 58.

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

    High, likely
    44°7°–58°14°
    Low, likely
    33°1°–40°4°
    Typical high / low
    55°13° / 41°5°
    Wind
    6 mph10 km/h, gusts 19 mph31 km/h
    UV peak
    2
  8. Saturday, Oct 31. Sunny. High 48°9°, low 33°1°. Typical 55°13° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 36°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 49°9°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 40°4°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 36°2°

      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
    44°7°–54°12°
    Low, likely
    29°−2°–34°1°
    Typical high / low
    55°13° / 41°5°
    Wind
    6 mph9 km/h, gusts 15 mph24 km/h
    UV peak
    3
  9. Sunday, Nov 1. Mostly sunny. High 48°9°, low 35°2°. Typical 54°12° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 49°9°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 39°4°

      20% chance · 0.07 in1.7 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.

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

    High, likely
    44°7°–56°13°
    Low, likely
    33°1°–38°3°
    Typical high / low
    54°12° / 41°5°
    Wind
    8 mph13 km/h, gusts 14 mph23 km/h
    UV peak
    3
  10. Monday, Nov 2. Partly sunny. High 52°11°, low 36°2°. Typical 54°12° / 41°5°. Rain 0.09 in2.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 43°6°

      20% chance · 0.1 in2.6 mm

    2. Afternoon

      noon–6 PM

      Mostly sunny, 53°11°

      20% chance · 0.11 in2.9 mm

    3. Evening

      6 PM–midnight

      Clear, 43°6°

      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
    47°8°–61°16°
    Low, likely
    35°2°–38°3°
    Typical high / low
    54°12° / 41°5°
    Wind
    9 mph15 km/h, gusts 18 mph29 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 55°, low 38°.

  2. Tomorrow

    44% chance of rain, high 58°, low 42°, warming up.

  3. Monday

    Dry, high 61°, low 42°, warming up.

  4. Rest of week

    Highs 48–58°; 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

Skagit River near Concrete

10 mi
Below flood stage
Level
14.9 ft
Flow
5,980 cfs

Forecast peak 14.8 ft Sat 5 AM

Reading from Sat 2 AM · NWS gauge page

South Fork Nooksack River near Saxon Bridge

13 mi
Below flood stage
Level
0.3 ft
Flow
98 cfs

Forecast peak 0.8 ft Mon 4 AM

Reading from Sat 2 AM · NWS gauge page

Skagit River near Mt Vernon

16 mi
Below flood stage
Level
10.9 ft
Flow
7,170 cfs

Forecast peak 10.4 ft Sat 5 AM

Reading from Sat 1:15 AM · NWS gauge page

North Fork Stillaguamish River near Arlington

18 mi
Below flood stage
Level
1.4 ft
Flow
180 cfs

Forecast peak 1.8 ft Mon 4 AM

Reading from Sat 1:15 AM · NWS gauge page

For your home

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

Heating this week

About 70% less heating than a typical week.

This week 34Typical 115

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
27
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 6 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° / 38°3°
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

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

Sun & moon

Sun

Sunrise 7:41 AM, sunset 6:01 PM.

Daylight
10 h 20 min
Losing 3 min 17 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
6:21–6:33 PM
Morning 7:09–7:22 AM; first light 7:09 AM

Stars tonight? Poor

Clouds most of the night (about 79% cover).

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:57 AM · rises 5:03 PM
Full moon
Oct 25
New moon
Nov 8
Looking northeast from Hamilton. The highest point on the skyline is about 6,600 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.