10-Day Weather Forecast - Sumas, WA

Mostly cloudy. A chance of rain in the morning then a slight chance of rain in the late morning and early 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. Patchy fog in the late evening and early morning. Rainfall amounts one to three inches possible. Lows in the upper 30s to mid 40s. Southeast wind 10 to 15 mph becoming south after midnight. Gusts to 25 mph.

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 after midnight.

Rain. Rainfall amounts a half inch to one inch possible. Highs near 50. West wind to 10 mph becoming southwest in the afternoon.

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

Rain likely. Highs near 50.

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

Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.

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

Rain at times. Highs in the lower 50s.

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

Rain at times. Highs in the lower to mid 50s.

Cloudy with likely rain. Chance of precipitation 95%. Low temperature around 45F. Dew point will be around 46F with an average humidity of 97%. Winds will be 11 mph from the S.

Cloudy with probable rain. Chance of precipitation 75%. High temperature around 48F. Dew point will be around 43F with an average humidity of 91%. Winds will be 7 mph from the S.

Cloudy with probable rain. Chance of precipitation 70%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 94%. Winds will be 5 mph from the S.

Cloudy with probable rain. Chance of precipitation 80%. High temperature around 44F. Dew point will be around 41F with an average humidity of 91%. Winds will be 4 mph from the S.

Cloudy with likely rain. Chance of precipitation 90%. Low temperature around 43F. Dew point will be around 41F with an average humidity of 93%. Winds will be 4 mph from the S.

Cloudy with likely rain. Chance of precipitation 85%. High temperature around 47F. Dew point will be around 44F with an average humidity of 93%. Winds will be 5 mph from the S.

Cloudy with likely rain. Chance of precipitation 85%. Low temperature around 44F. Dew point will be around 43F with an average humidity of 94%. Winds will be 6 mph from the S.