Sumas, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Chance of Rain Showers
    38°
    Wednesday 3/27
    Forecast night icon
    38°
    Chance of Rain Showers
    Hourly
    Night Details
    Breezy. Mostly cloudy with a chance of rain showers late in the evening then mostly cloudy with a slight chance of rain showers after midnight. Lows in the mid 30s to lower 40s. Southeast wind to 10 mph increasing to east 15 to 25 mph after midnight.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    52°
    Forecast night icon
    Night
    Rain
    39°
    Thursday 3/28
    Day
    52°
    Chance of Rain Showers
    Forecast day icon
    Night
    39°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly cloudy. A chance of rain showers in the morning then rain showers likely in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. East wind 15 to 25 mph becoming southeast 10 to 20 mph in the afternoon.
    Night Details
    Breezy. Showers likely. Rainfall amounts less than a tenth of an inch likely. Lows in the upper 30s to mid 40s. East wind 15 to 25 mph.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    52°
    Forecast night icon
    Night
    Mostly Clear
    34°
    Friday 3/29
    Day
    52°
    Chance of Rain Showers
    Forecast day icon
    Night
    34°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain showers. Highs in the lower to mid 50s. East wind 10 to 20 mph becoming west around 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the mid 30s to lower 40s. Northwest wind around 10 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Mostly Sunny
    56°
    Forecast night icon
    Night
    Mostly Clear
    35°
    Saturday 3/30
    Day
    56°
    Mostly Sunny
    Forecast day icon
    Night
    35°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid to upper 50s.
    Night Details
    Mostly clear. Lows in the mid to upper 30s.
  • Forecast day icon
    Sunday
    Sunny
    57°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Sunday 3/31
    Day
    57°
    Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 50s to lower 60s.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Monday
    Partly Sunny
    57°
    Forecast night icon
    Night
    Chance of Rain
    46°
    Monday 4/1
    Day
    57°
    Partly Sunny
    Forecast day icon
    Night
    46°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s to lower 60s.
    Night Details
    Mostly cloudy. A chance of rain after midnight. Lows in the mid 40s.
  • Forecast day icon
    Tuesday
    Chance of Rain
    51°
    Forecast night icon
    Night
    Chance of Rain
    39°
    Tuesday 4/2
    Day
    51°
    Chance of Rain
    Forecast day icon
    Night
    39°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain. Highs in the mid to upper 50s.
    Night Details
    Mostly cloudy with a chance of rain. Lows in the lower 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain
    48°
    Forecast night icon
    Night
    40% Chance of Rain
    33°
    Wednesday 4/3
    Day
    48°
    Chance of Rain
    Forecast day icon
    Night
    33°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Highs in the lower 50s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 33F. Dew point will be around 33F with an average humidity of 85%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    49°
    Forecast night icon
    Night
    40% Chance of Rain
    35°
    Thursday 4/4
    Day
    49°
    40% Chance of Rain
    Forecast day icon
    Night
    35°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 49F. Dew point will be around 36F with an average humidity of 73%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 35F with an average humidity of 84%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    50°
    Forecast night icon
    Night
    30% Chance of Rain
    36°
    Friday 4/5
    Day
    50°
    40% Chance of Rain
    Forecast day icon
    Night
    36°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 50F. Dew point will be around 38F with an average humidity of 74%. Winds will be 2 mph from the SW.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 36F. Dew point will be around 36F with an average humidity of 86%. Winds will be 4 mph from the SE.