Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Abbotsford International Airport (CYXX)

Lat: 49.03333°NLon: 122.36667°WElev: 177.0ft.

Partly Cloudy

72°F

22°C

Humidity 53%
Wind Speed S 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 25.00 mi
Last update 20 Sep 02:00 PM PDT
Extended Forecast for

Sumas WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. West southwest wind 3 to 5 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 49. Light southwest wind.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Partly sunny, with a high near 68.

    High: 68 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 11am.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 74. West southwest wind 3 to 5 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 49. Light southwest wind.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of rain after 11am. Mostly cloudy, with a high near 66.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48.
Friday
Rain likely. Mostly cloudy, with a high near 63.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A slight chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
1:05 pm PDT Sep 20, 2026
2pm PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database