Sumas, WA Weather Forecast & Current Conditions

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Sumas, WA Weather Maps

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Sumas Weather Map
UTC Time: 9/26/2026, 08:50
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Sumas, WA

Tonight
Thunderstorms
45°7°
N/A
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
60°/ 52° 16°/ 11°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
65°/ 45° 18°/ 7°
N/A
Wednesday
Thunderstorms
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
65°/ 40° 18°/ 4°
N/A
Friday
Sunny
65°18°
0%

Night: Windy. Mostly cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a chance of rain in the late evening and early morning. A slight chance of rain late in the night. Rainfall amounts a quarter to a half inch possible, except higher amounts possible in thunderstorms. Lows in the mid 40s to lower 50s. South wind 15 to 30 mph.

Marblemount, WA

Tonight
Thunderstorms
40°4°
N/A
Saturday
Rain
58°/ 45° 14°/ 7°
N/A
Sunday
Sunny
60°/ 45° 16°/ 7°
0%
Monday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Tuesday
Rain
62°/ 48° 17°/ 9°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
62°/ 45° 17°/ 7°
N/A
Friday
Rain
62°17°
N/A

Night: Showers and a slight chance of thunderstorms in the evening, then mostly cloudy with a chance of rain after midnight. Rainfall amounts a quarter to a half inch possible, except higher amounts possible in thunderstorms. Lows in the 40s. South wind 10 to 20 mph. Gusts to 30 mph.

Mount Baker, WA

Tonight
Thunderstorms
N/A
Saturday
Snow
N/A
Sunday
Sunny
0%
Monday
Partly Cloudy
0%
Tuesday
Snow
N/A
Wednesday
Thunderstorms
N/A
Thursday
Snow
N/A
Friday
Snow
N/A

Night: Showers, snow showers and a slight chance of thunderstorms in the evening, then rain and snow likely in the late evening and early morning. A chance of rain and snow late in the night. Snow level near 5500 feet. Rainfall amounts a half inch to one inch possible, except higher amounts possible in thunderstorms. No snow accumulation.

Anacortes, WA

Tonight
Thunderstorms
45°7°
N/A
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
60°/ 52° 16°/ 11°
0%
Monday
Partly Cloudy
60°/ 52° 16°/ 11°
0%
Tuesday
Rain
65°/ 50° 18°/ 10°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
65°/ 48° 18°/ 9°
N/A
Friday
Rain
65°18°
N/A

Night: Breezy. Mostly cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a chance of rain late in the evening. A slight chance of rain after midnight. Rainfall amounts less than a tenth of an inch likely, except higher amounts possible in thunderstorms. Lows in the mid 40s to lower 50s. Southwest wind 15 to 25 mph becoming south after midnight.

Friday Harbor, WA

Tonight
Rain
45°7°
N/A
Saturday
Sunny
58°/ 45° 14°/ 7°
0%
Sunday
Sunny
58°/ 45° 14°/ 7°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
65°/ 50° 18°/ 10°
N/A
Wednesday
Rain
65°/ 50° 18°/ 10°
N/A
Thursday
Rain
65°/ 48° 18°/ 9°
N/A
Friday
Sunny
65°18°
0%

Night: Breezy. Mostly clear. A slight chance of rain in the evening. Lows in the mid 40s to lower 50s. Southwest wind 15 to 25 mph with gusts to 35 mph.

Oak Harbor, WA

Tonight
Rain
45°7°
N/A
Saturday
Sunny
58°/ 45° 14°/ 7°
0%
Sunday
Sunny
58°/ 48° 14°/ 9°
0%
Monday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Rain
65°/ 52° 18°/ 11°
N/A
Wednesday
Rain
65°/ 50° 18°/ 10°
N/A
Thursday
Rain
60°/ 48° 16°/ 9°
N/A
Friday
Rain
60°16°
N/A

Night: Breezy. Mostly clear. A slight chance of rain in the evening. Lows in the mid 40s to lower 50s. West wind 15 to 25 mph with gusts to 35 mph becoming south 10 to 15 mph with gusts to 25 mph after midnight.

Everett, WA

Tonight
Rain
40°4°
N/A
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
58°/ 40° 14°/ 4°
0%
Monday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Rain
62°/ 50° 17°/ 10°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
65°/ 48° 18°/ 9°
N/A
Friday
Rain
65°18°
N/A

Night: Mostly cloudy in the evening then becoming partly cloudy. A chance of rain in the evening. Lows in the 40s. Southeast wind to 10 mph increasing to 10 to 15 mph after midnight.

Port Townsend, WA

Tonight
Clear
40°4°
0%
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
58°/ 40° 14°/ 4°
0%
Monday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Rain
65°/ 48° 18°/ 9°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
60°/ 40° 16°/ 4°
N/A
Friday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the 40s. West wind 10 to 20 mph with gusts to 30 mph becoming southwest around 10 mph after midnight.

Port Angeles, WA

Tonight
Clear
38°3°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
62°/ 48° 17°/ 9°
N/A
Wednesday
Rain
62°/ 48° 17°/ 9°
N/A
Thursday
Rain
62°/ 45° 17°/ 7°
N/A
Friday
Sunny
60°16°
0%

Night: Windy. Mostly clear. Lows in the upper 30s to mid 40s. West wind 20 to 30 mph becoming southwest 10 to 20 mph after midnight.

Shoreline, WA

Tonight
Rain
48°9°
N/A
Saturday
Sunny
65°/ 52° 18°/ 11°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Rain
62°/ 50° 17°/ 10°
N/A
Wednesday
Rain
65°/ 50° 18°/ 10°
N/A
Thursday
Rain
62°/ 48° 17°/ 9°
N/A
Friday
Rain
62°17°
N/A

Night: Partly cloudy. A chance of rain in the evening. Lows in the mid to upper 40s. Southeast wind 10 to 15 mph.

Stevens Pass, WA

Tonight
Thunderstorms
35°2°
N/A
Saturday
Partly Cloudy
35°2°
0%
Sunday
Sunny
38°3°
0%
Monday
Sunny
42°6°
0%
Tuesday
Snow
40°4°
N/A
Wednesday
Snow
38°3°
N/A
Thursday
Snow
38°3°
N/A
Friday
Snow
N/A

Night: Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening. A chance of snow. A slight chance of rain after midnight. Snow level near 5500 feet. No snow accumulation. Lows in the mid 30s. West wind in the passes 10 to 15 mph with gusts to 30 mph.

Seabeck, WA

Tonight
Clear
40°4°
0%
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
58°/ 40° 14°/ 4°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
60°/ 45° 16°/ 7°
N/A
Wednesday
Rain
62°/ 48° 17°/ 9°
N/A
Thursday
Rain
60°/ 40° 16°/ 4°
N/A
Friday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the 40s. Southwest wind 10 to 20 mph becoming south 10 to 15 mph after midnight.

Bremerton, WA

Tonight
Clear
40°4°
0%
Saturday
Sunny
58°/ 52° 14°/ 11°
0%
Sunday
Sunny
58°/ 40° 14°/ 4°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
60°/ 50° 16°/ 10°
N/A
Wednesday
Rain
65°/ 45° 18°/ 7°
N/A
Thursday
Rain
62°/ 48° 17°/ 9°
N/A
Friday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the 40s. Southwest wind 10 to 20 mph becoming south 10 to 15 mph after midnight.

Gold Bar, WA

Tonight
Rain
40°4°
N/A
Saturday
Sunny
58°/ 45° 14°/ 7°
0%
Sunday
Sunny
60°/ 40° 16°/ 4°
0%
Monday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Rain
62°/ 48° 17°/ 9°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
62°/ 48° 17°/ 9°
N/A
Friday
Rain
62°17°
N/A

Night: Mostly cloudy with a chance of rain in the evening, then mostly cloudy with a slight chance of rain late in the evening. Mostly cloudy after midnight. Lows in the 40s. South wind to 10 mph becoming southeast after midnight. Gusts to 20 mph.

Bellevue, WA

Tonight
Rain
45°7°
N/A
Saturday
Sunny
65°/ 52° 18°/ 11°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Rain
62°/ 52° 17°/ 11°
N/A
Wednesday
Rain
65°/ 50° 18°/ 10°
N/A
Thursday
Rain
62°/ 48° 17°/ 9°
N/A
Friday
Partly Cloudy
62°17°
0%

Night: Partly cloudy. A chance of rain in the evening. Lows in the mid 40s to lower 50s. South wind 10 to 15 mph.

Seattle, WA

Tonight
Rain
50°10°
N/A
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Partly Cloudy
65°/ 55° 18°/ 13°
0%
Tuesday
Rain
62°/ 55° 17°/ 13°
N/A
Wednesday
Rain
65°/ 52° 18°/ 11°
N/A
Thursday
Rain
62°/ 50° 17°/ 10°
N/A
Friday
Partly Cloudy
62°17°
0%

Night: Mostly clear. A slight chance of rain in the evening. Lows near 50. Southwest wind 10 to 20 mph becoming south 10 to 15 mph after midnight.

Clallam Bay, WA

Tonight
Cloudy
40°4°
0%
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
58°/ 40° 14°/ 4°
0%
Monday
Rain
65°/ 50° 18°/ 10°
N/A
Tuesday
Rain
60°/ 48° 16°/ 9°
N/A
Wednesday
Rain
58°/ 48° 14°/ 9°
N/A
Thursday
Rain
55°/ 45° 13°/ 7°
N/A
Friday
Sunny
60°16°
0%

Night: Windy. Partly cloudy. Lows in the 40s. West wind 15 to 30 mph becoming southwest 15 to 25 mph after midnight.

Mazama, WA

Tonight
Snow Showers
35°2°
70%
Saturday
Sunny
65°/ 35° 18°/ 2°
0%
Sunday
Cloudy
60°/ 35° 16°/ 2°
0%
Mon-Mon Night
Mostly Cloudy
60°16°
0%
Tuesday
Rain Showers
65°/ 45° 18°/ 7°
70%
Wed-Wed Night
Cloudy
65°18°
0%
Thursday
Snow Showers
65°/ 38° 18°/ 3°
20%

Night: Partly cloudy with mountain snow showers likely. Mountain snow accumulation up to 1 inch. Lows in the mid 30s to lower 40s. Chance of precipitation 70 percent.

Lake Crescent, WA

Tonight
Rain
40°4°
N/A
Saturday
Sunny
60°/ 45° 16°/ 7°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Rain
62°/ 50° 17°/ 10°
N/A
Tuesday
Rain
62°/ 48° 17°/ 9°
N/A
Wednesday
Rain
62°/ 48° 17°/ 9°
N/A
Thursday
Rain
62°/ 45° 17°/ 7°
N/A
Friday
Sunny
65°18°
0%

Night: Breezy. Partly cloudy. A slight chance of rain in the evening. Lows in the 40s. West wind 15 to 25 mph. Gusts to 35 mph.

North Bend, WA

Tonight
Rain
40°4°
N/A
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
60°/ 45° 16°/ 7°
0%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Rain
62°/ 50° 17°/ 10°
N/A
Wednesday
Rain
65°/ 48° 18°/ 9°
N/A
Thursday
Rain
62°/ 48° 17°/ 9°
N/A
Friday
Rain
62°17°
N/A

Night: Mostly cloudy with a chance of rain in the evening, then partly cloudy with a slight chance of rain late in the evening. Partly cloudy after midnight. Lows in the 40s. South wind 10 to 15 mph becoming southeast after midnight. Gusts to 25 mph.

Names listed above may include county names.

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