10-Day Weather Forecast - Sumas, WA
- |40°FChance of RainHourly details
Tonight
40°FMostly cloudy with a chance of rain in the evening then rain after midnight. Rainfall amounts a half inch to one inch possible. Lows in the mid 30s to lower 40s. Southeast wind 10 to 15 mph with gusts to 30 mph.
- 48|33°FChance of SnowHourly details
Day
48°FRain until late afternoon. A slight chance of snow in the afternoon. A chance of rain late in the afternoon. No snow accumulation. Highs in the mid to upper 40s. South wind 10 to 15 mph with gusts to 25 mph decreasing to 10 mph or less in the afternoon.
Night
33°FMostly cloudy. A chance of snow in the evening. A chance of rain. A chance of snow in the morning. Lows in the upper 20s to mid 30s. Light wind.
- 47|33°FChance of Frozen MixHourly details
Day
47°FPartly sunny. A chance of rain and snow in the morning then rain likely in the afternoon. Snow level near 1500 feet. Highs in the 40s. Light wind.
Night
33°FRain likely. Rainfall amounts a quarter to a half inch possible. Lows in the lower to mid 30s. West wind to 10 mph becoming south after midnight.
- 43|39°FRainHourly details
Day
43°FRain likely in the morning then rain at times in the afternoon. Highs in the mid to upper 40s.
Night
39°FRain at times. Lows in the upper 30s.
- 46|34°FRainHourly details
Day
46°FRain at times. Highs in the upper 40s.
Night
34°FRain at times in the evening then rain and snow likely after midnight. Lows in the mid 30s.
- 43|28°FFrozen MixHourly details
Day
43°FRain and snow likely. Snow level near 1500 feet. Highs in the mid to upper 40s.
Night
28°FMostly cloudy. A chance of rain and snow. Snow level near 1000 feet. Lows near 30.
Weekend Weather
- 43|27°FChance of Frozen MixHourly details
Day
43°FPartly sunny. A chance of rain and snow. Snow level near 500 feet. Highs in the mid to upper 40s.
Night
27°FPartly cloudy with a slight chance of rain and snow. Snow level near 1000 feet. Lows in the upper 20s.
- 41|29°FChance of Frozen Mix
Day
41°FMostly sunny with a slight chance of rain and snow. Snow level near 500 feet. Highs in the upper 40s.
Night
29°FMostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 27F with an average humidity of 89%. Winds will be 6 mph from the S.
- 41|29°F30% Chance Frozen Mix
Day
41°FCloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 41F. Dew point will be around 30F with an average humidity of 74%. Winds will be 6 mph from the SW.
Night
29°FPartly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 29F. Dew point will be around 28F with an average humidity of 88%. Winds will be 5 mph from the SE.
- 42|33°F40% Chance of Rain
Day
42°FCloudy with a chance of rain. Chance of precipitation 35%. High temperature around 42F. Dew point will be around 32F with an average humidity of 76%. Winds will be 4 mph from the S.
Night
33°FCloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 32F with an average humidity of 90%. Winds will be 4 mph from the SE.














