Sumas, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    36°
    Tuesday 5/7
    Forecast night icon
    36°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 36F. Dew point will be around 38F with an average humidity of 77%. Winds will be 5 mph from the S.
  • Forecast day icon
    Wednesday
    Sunny
    61°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Wednesday 5/8
    Day
    61°
    Sunny
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 50s to lower 60s. South wind to 10 mph becoming west around 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the 40s. West wind to 10 mph in the evening becoming light.
  • Forecast day icon
    Thursday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    51°
    Thursday 5/9
    Day
    74°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph becoming northwest around 10 mph in the afternoon.
    Night Details
    Clear. Lows in the upper 40s to mid 50s. West wind to 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Friday 5/10
    Day
    79°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s. Light wind becoming west to 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Saturday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Day
    79°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Sunday 5/12
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy. Lows near 50.
  • Forecast day icon
    Monday
    Partly Sunny
    61°
    Forecast night icon
    Night
    Chance of Rain Showers
    47°
    Monday 5/13
    Day
    61°
    Partly Sunny
    Forecast day icon
    Night
    47°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a slight chance of showers. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Tuesday 5/14
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly sunny. A chance of showers in the morning then a slight chance of showers in the afternoon. Highs in the lower 60s.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 46F with an average humidity of 87%. Winds will be 6 mph from the S.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Wednesday 5/15
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 48F with an average humidity of 69%. Winds will be 5 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 47F with an average humidity of 83%. Winds will be 5 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Thursday 5/16
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 67F. Dew point will be around 48F with an average humidity of 65%. Winds will be 5 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 47F with an average humidity of 81%. Winds will be 5 mph from the S.
  • Forecast day icon
    Friday
    30% Chance of Rain
    67°
    Forecast night icon
    Night
    Clear
    46°
    Friday 5/17
    Day
    67°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 67F. Dew point will be around 47F with an average humidity of 64%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 45F with an average humidity of 79%. Winds will be 5 mph from the SE.