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January 3rd, 2026 :: 1:45 am PST   

Local Weather Report for
Sumas
Washington, United States

 Current Sumas Weather Conditions Updated January 3rd at 1:00 am 
Overcast
Temperature:41°F Dew Point:41°F
Barometer:29.59 inHg Wind:N 17 Mph
Humidity:100.0% Visibility:0M
 
 Sumas Weather Forecast Summary  
 
Today
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Mix of rain and snow Mix of rain and snow Mix of rain and snow Mix of rain and snow Mix of rain and snow
42°F
41°F
35°F
36°F
31°F
33°F
27°F
32°F
27°F
 
 Sumas Detailed Weather Forecast  
 
Saturday, January 3rd, 2026
Overnight Temperature: 41°F
Cloudy with a few showers.
Morning Temperature: 41°F
Cloudy with showers.
Afternoon Temperature: 40°F
Cloudy with showers likely.
Evening Temperature: 39°F
Cloudy with showers likely. Showers possibly mixed with wet flurries.
Sunday, January 4th, 2026
Overnight Temperature: 38°F
Cloudy with a few showers. Showers possibly mixed with wet flurries.
Morning Temperature: 40°F
Cloudy with showers likely.
Afternoon Temperature: 37°F
Cloudy with a few showers. Showers possibly mixed with wet flurries.
Evening Temperature: 36°F
Cloudy with a few showers or wet flurries.
Monday, January 5th, 2026
Overnight Temperature: 34°F
Cloudy with a few flurries or showers. Risk of freezing rain.
Morning Temperature: 35°F
Sunny with cloudy periods with showers likely. Showers possibly mixed with wet flurries.
Afternoon Temperature: 32°F
Cloudy with a chance of flurries.
Evening Temperature: 31°F
Cloudy with a chance of flurries.
Tuesday, January 6th, 2026
Overnight Temperature: 31°F
Cloudy with flurries likely.
Morning Temperature: 32°F
Cloudy with a few flurries or showers.
Afternoon Temperature: 33°F
Cloudy with a few flurries or showers.
Evening Temperature: 29°F
Cloudy with flurries likely.
Wednesday, January 7th, 2026
Overnight Temperature: 28°F
Cloudy with a chance of flurries.
Morning Temperature: 32°F
Cloudy with flurries or showers likely.
Afternoon Temperature: 31°F
Cloudy with flurries or showers likely.
Evening Temperature: 28°F
Cloudy with a few flurries or showers.
Thursday, January 8th, 2026
Overnight Temperature: 30°F
Cloudy with a few flurries. Windy at times.
Morning Temperature: 31°F
Cloudy with flurries or showers likely.
Afternoon Temperature: 29°F
Cloudy with a chance of flurries.
Evening Temperature: 25°F
Cloudy with a chance of flurries.
Friday, January 9th, 2026
Overnight Temperature: 29°F
Cloudy with flurries likely.
Morning Temperature: 32°F
Cloudy with flurries or showers likely.
Afternoon Temperature: 32°F
Cloudy with a chance of flurries or showers.
Evening Temperature: 32°F
Cloudy with a slight chance of flurries or showers.
Saturday, January 10th, 2026
Overnight Temperature: 34°F
Cloudy with flurries or showers.
Morning Temperature: 35°F
Cloudy with a few showers. Showers possibly mixed with wet flurries.
Afternoon Temperature: 34°F
A mix of cloud and sun with a chance of flurries or showers. Risk of freezing rain.
Evening Temperature: 34°F
Cloudy.
Sunday, January 11th, 2026
Overnight Temperature: 35°F
Cloudy.
Morning Temperature: 37°F
Cloudy.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 35°F
Cloudy.





 

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12:53 AM  43°F
Mostly Clear

 
This WeatherCity Weather Forecast for Sumas, Washington, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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