10-Day Weather Forecast - Sumas, WA

Partly sunny. A slight chance of rain in the morning. A slight chance of thunderstorms in the afternoon. A chance of showers late in the afternoon. Highs in the upper 60s to mid 70s. Light wind.

Mostly cloudy with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows near 50. Light wind.

Sunny. Highs in the 70s. Light wind.

Partly cloudy. A slight chance of rain in the evening. Lows in the lower to mid 50s. Light wind becoming northeast to 10 mph after midnight.

Partly sunny with a slight chance of rain. Highs in the mid 60s to lower 70s. South wind to 10 mph.

Mostly cloudy. Lows in the lower 50s.

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

Mostly clear. Lows in the lower 50s.

Sunny. Highs near 80.

Mostly clear. Lows in the mid 50s.

Mostly sunny with a slight chance of rain. Highs in the mid to upper 70s.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain. Lows in the lower to mid 50s.

Mostly cloudy with a chance of rain. Highs in the lower to mid 70s.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 52F. Dew point will be around 54F with an average humidity of 90%. Winds will be 3 mph from the S.

Mostly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 69F. Dew point will be around 55F with an average humidity of 75%. Winds will be 1 mph from the SW.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 50F. Dew point will be around 52F with an average humidity of 88%. Winds will be 2 mph from the SE.

Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 53F with an average humidity of 70%. Winds will be 1 mph from the SW.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 51F. Dew point will be around 52F with an average humidity of 86%. Winds will be 2 mph from the SE.