Sumas, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Chance of Rain Showers
    47°
    Friday 4/26
    Forecast night icon
    47°
    Chance of Rain Showers
    Hourly
    Night Details
    Mostly cloudy in the evening then a chance of showers after midnight. Mostly cloudy with showers likely late in the night. Rainfall amounts less than a tenth of an inch likely. Lows in the 40s. Southwest wind to 10 mph becoming south after midnight.
  • Forecast day icon
    Saturday
    Rain
    52°
    Forecast night icon
    Night
    Rain
    44°
    Saturday 4/27
    Day
    52°
    Rain
    Forecast day icon
    Night
    44°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely in the morning then rain in the late morning and early afternoon. Rain likely late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the upper 40s to mid 50s. South wind 10 to 15 mph.
    Night Details
    Showers likely in the evening then showers after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 40s. South wind 10 to 20 mph.
  • Forecast day icon
    Sunday
    Rain
    49°
    Forecast night icon
    Night
    Rain Showers
    38°
    Sunday 4/28
    Day
    49°
    Rain
    Forecast day icon
    Night
    38°
    Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Rainfall amounts a quarter to a half inch possible. Highs in the upper 40s to mid 50s. South wind 10 to 15 mph.
    Night Details
    Rain at times in the evening then rain showers after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the upper 30s to mid 40s. South wind 10 to 15 mph.
  • Forecast day icon
    Monday
    Chance of Storms
    51°
    Forecast night icon
    Night
    Chance of Storms
    36°
    Monday 4/29
    Day
    51°
    Chance of Storms
    Forecast day icon
    Night
    36°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Rain showers in the morning then rain showers and a slight chance of thunderstorms in the afternoon. Highs in the lower to mid 50s.
    Night Details
    Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening then a chance of rain showers after midnight. Lows near 40.
  • Forecast day icon
    Tuesday
    Chance of Rain Showers
    53°
    Forecast night icon
    Night
    Chance of Rain Showers
    36°
    Tuesday 4/30
    Day
    53°
    Chance of Rain Showers
    Forecast day icon
    Night
    36°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain showers. Highs in the lower to mid 50s.
    Night Details
    Mostly cloudy with a slight chance of rain showers. Lows near 40.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    58°
    Forecast night icon
    Night
    Chance of Rain Showers
    41°
    Wednesday 5/1
    Day
    58°
    Chance of Rain Showers
    Forecast day icon
    Night
    41°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain showers. Highs in the upper 50s.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the lower to mid 40s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    60°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Thursday 5/2
    Day
    60°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs near 60.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the mid 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    61°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Friday 5/3
    Day
    61°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers. Highs near 60.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 45F with an average humidity of 90%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    Clear
    44°
    Saturday 5/4
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 63F. Dew point will be around 46F with an average humidity of 67%. Winds will be 5 mph from the SW.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 45F with an average humidity of 87%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Sunday 5/5
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 46F with an average humidity of 63%. Winds will be 5 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 46F with an average humidity of 88%. Winds will be 5 mph from the SE.