10-Day Weather Forecast - Sumas, WA

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming west to 10 mph in the afternoon.

Mostly clear. Lows in the lower to mid 50s. Light wind.

Sunny. Highs in the mid 80s to lower 90s. Light wind becoming northwest to 10 mph in the afternoon.

Mostly clear. Lows in the mid 50s to lower 60s. Northwest wind to 10 mph in the evening becoming light.

Mostly sunny. Highs in the mid 80s to lower 90s.

Mostly clear. Lows in the mid to upper 50s.

Sunny. Highs in the lower to mid 80s.

Partly cloudy. Lows in the lower to mid 50s.

Mostly sunny. Highs in the lower to mid 70s.

Partly cloudy with a slight chance of rain in the evening then mostly cloudy with a chance of rain after midnight. Lows in the lower 50s.

Rain likely. Highs in the mid to upper 60s.

Rain likely. Lows in the lower 50s.

Rain likely. Highs in the mid to upper 60s.

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 52F. Dew point will be around 48F with an average humidity of 75%. Winds will be 4 mph from the S.

Mostly cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 73F. Dew point will be around 50F with an average humidity of 59%. Winds will be 4 mph from the W.

Clear. Low temperature around 51F. Dew point will be around 47F with an average humidity of 73%. Winds will be 3 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 76F. Dew point will be around 50F with an average humidity of 54%. Winds will be 4 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 73%. Winds will be 2 mph from the W.