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Plan your week in Whatcom County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Whatcom County 7-Day Weather Forecast

Friday, Oct 23, 2026

Nighttime
43°F

Mainly Clear

Feels like 43°F

Humidity

92%

Wind Speed

2.5 mph

Precipitation

0 in

Pressure

1020 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

27%

Dew Point

34°F

7-Day Weather Forecast

Today

Oct 23

Mainly Clear
57°H
38°L
0%

Sat

Oct 24

Mainly Clear
53°H
39°L
33%

Sun

Oct 25

Mainly Clear
55°H
44°L
30%

Mon

Oct 26

Mainly Clear
54°H
46°L
0%

Tue

Oct 27

Mainly Clear
55°H
38°L
0%

Wed

Oct 28

Mainly Clear
51°H
37°L
0%

Thu

Oct 29

Mainly Clear
53°H
40°L
0%

24-Hour Forecast

10 AM

43°

0%

11 AM

42°

0%

12 PM

39°

0%

1 PM

39°

0%

2 PM

38°

0%

3 PM

39°

0%

4 PM

42°

0%

5 PM

47°

0%

6 PM

50°

0%

7 PM

53°

0%

8 PM

55°

0%

9 PM

56°

0%

10 PM

57°

0%

11 PM

56°

0%

12 AM

53°

0%

1 AM

48°

0%

2 AM

45°

0%

3 AM

44°

0%

4 AM

43°

0%

5 AM

42°

0%

6 AM

42°

0%

7 AM

41°

0%

8 AM

40°

0%

9 AM

40°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

65.3° ENE

Sustained Wind

2.5 mph

Wind Gusts

2.5 mph

7-Day Temp Range

Week's Hottest

57°F

Max Rain Prob

33%

Expected 7-Day Swings

37°
57°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Whatcom County · 48.87°N, 122.46°W
Radar Page
Coordinates48.8736°N, 122.4552°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Whatcom County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Whatcom County Climate & Weather

Weather forecast for Whatcom County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.