National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Bellingham, Bellingham International Airport (KBLI)

Lat: 48.79911°NLon: 122.54064°WElev: 148.0ft.

Clear

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Sep 01:20 AM PDT
Extended Forecast for

6 Miles SSW Bellingham WA

  • Overnight

    Overnight: Patchy fog between 3am and 5am. Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69. Light south southwest wind.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog between 3am and 5am. Otherwise, mostly clear, with a low around 52. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind.
Sunday Night
Partly cloudy, with a low around 51. Calm wind.
Monday
Partly sunny, with a high near 69. Light south southwest wind.
Monday Night
Partly cloudy, with a low around 53. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A slight chance of rain before 11am. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 51.
Friday
A chance of rain. Mostly cloudy, with a high near 63.
Friday Night
A chance of rain. Mostly cloudy, with a low around 49.
Saturday
A slight chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Bellingham WA
 48.67°N 122.49°W (Elev. 128 ft)
Last Update:
12:25 am PDT Sep 20, 2026
Forecast Valid:
1am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation