10-Day Weather Forecast - Sumas, WA

Mostly cloudy. A chance of rain in the morning then a slight chance of rain early in the afternoon. A chance of rain late in the afternoon. Highs near 50. South wind 10 to 15 mph becoming southeast in the afternoon.

Cloudy with a chance of rain in the evening then rain after midnight. Rainfall amounts one to three inches possible. Lows in the lower to mid 40s. Southeast wind 10 to 15 mph becoming south after midnight.

Rain. Rainfall amounts one to three inches possible. Highs in the lower to mid 50s. Southwest wind 10 to 15 mph with gusts to 25 mph.

Rain. Rainfall amounts one to three inches possible. Lows in the lower to mid 40s. South wind to 10 mph. Gusts to 20 mph.

Rain at times in the morning then rain likely in the afternoon. Highs near 50.

Rain likely. Lows in the lower to mid 40s.

Rain likely. Highs near 50.

Mostly cloudy with a chance of rain. Lows in the mid 40s.

Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Highs in the lower to mid 50s.

Rain likely in the evening then rain at times after midnight. Lows in the mid 40s.

Rain at times. Highs near 50.

Rain likely. Lows in the lower to mid 40s.

Rain likely in the morning then rain at times in the afternoon. Highs in the lower to mid 50s.

Cloudy with likely rain. Chance of precipitation 95%. Low temperature around 44F. Dew point will be around 44F with an average humidity of 98%. Winds will be 7 mph from the S.

Cloudy with likely rain. Chance of precipitation 85%. High temperature around 47F. Dew point will be around 45F with an average humidity of 96%. Winds will be 6 mph from the S.

Cloudy with probable rain. Chance of precipitation 75%. Low temperature around 42F. Dew point will be around 42F with an average humidity of 97%. Winds will be 6 mph from the S.

Cloudy with probable rain. Chance of precipitation 80%. High temperature around 43F. Dew point will be around 42F with an average humidity of 96%. Winds will be 4 mph from the S.

Cloudy with probable rain. Chance of precipitation 75%. Low temperature around 40F. Dew point will be around 39F with an average humidity of 93%. Winds will be 5 mph from the S.