10-Day Weather Forecast - Sumas, WA

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  • Weekend Weather

  • 47|39°F
    Chance of Rain
    Arrow up

    Today

    47°F

    Rain until late afternoon then mostly cloudy with a chance of rain late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs near 50. Southeast wind to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts to 25 mph.

    Tonight

    39°F

    Rain likely in the evening then rain after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the lower to mid 40s. East wind around 10 mph with gusts to 20 mph becoming southeast with gusts to 30 mph after midnight.

    Hourly details
  • Day

    45°F

    Breezy rain. Rainfall amounts a half inch to one inch possible. Highs in the mid 40s to lower 50s. South wind 15 to 25 mph with gusts to 40 mph.

    Night

    36°F

    Rain. Rainfall amounts a quarter to a half inch possible. Lows in the mid to upper 30s. Southeast wind 10 to 15 mph becoming south after midnight.

    Hourly details
  • Day

    39°F

    Mostly cloudy with rain likely in the morning then mostly cloudy with a chance of rain in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 40s. Light wind.

    Night

    33°F

    Mostly cloudy with a chance of rain in the evening then mostly cloudy with rain and snow likely after midnight. Snow level near 1500 feet. Lows in the mid 30s.

    Hourly details
  • Day

    40°F

    Rain and snow in the morning then rain at times in the afternoon. Snow level near 1500 feet. Highs in the lower 40s.

    Night

    35°F

    Rain at times. Lows in the mid 30s.

    Hourly details
  • Day

    41°F

    Rain and snow. Snow level near 1500 feet. Highs in the lower to mid 40s.

    Night

    35°F

    Rain and snow likely. Snow level near 1500 feet. Lows in the lower to mid 30s.

    Hourly details
  • Day

    41°F

    Mostly cloudy with a chance of rain and snow. Snow level near 1000 feet. Highs in the lower to mid 40s.

    Night

    33°F

    Mostly cloudy. A chance of rain and snow in the evening then a slight chance of rain and snow after midnight. Snow level near 1500 feet. Lows in the lower to mid 30s.

    Hourly details
  • Day

    41°F

    Mostly cloudy with a slight chance of rain and snow. Snow level near 1500 feet. Highs in the lower to mid 40s.

    Night

    35°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 36F with an average humidity of 99%. Winds will be 5 mph from the E.

  • Weekend Weather

  • Day

    43°F

    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 43F. Dew point will be around 37F with an average humidity of 92%. Winds will be 5 mph from the S.

    Night

    36°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 36F. Dew point will be around 37F with an average humidity of 99%. Winds will be 4 mph from the SE.

  • Day

    42°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 39F with an average humidity of 95%. Winds will be 3 mph from the SE.

    Night

    36°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 36F. Dew point will be around 37F with an average humidity of 99%. Winds will be 4 mph from the SE.

  • Day

    44°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 44F. Dew point will be around 39F with an average humidity of 92%. Winds will be 4 mph from the SE.

    Night

    37°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 37F. Dew point will be around 38F with an average humidity of 98%. Winds will be 4 mph from the SE.