Sumas, WA 14 Day Weather - 98295 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Sumas, WA Weather Forecast


Sumas, WA Weather Forecast Dated: 1245 PM Tue Sep 15 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
69°F 20°C
Cloudy
Early-Evening
60°F 16°C
Sunny
Pleasant near 69°F 20°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
64°F 18°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 77°F 25°C, sunny throughout the day, with increasing humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
61°F 16°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with increasing humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild with a high of 74°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
60°F 16°C
Partly Cloudy
Pleasant near 73°F 23°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
58°F 15°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the S at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
65°F 18°C
Cloudy
Early-Evening
56°F 14°C
Sunny
Cool with a high near 65°F 18°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild temperatures up to 72°F 22°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with increasing humidity and barometric pressure falling.
Thursday, September 24, 2026
Mid-Morning
60°F 15°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
59°F 15°C
Light Fog
Mild with a high of 71°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
52°F 11°C
Scattered Showers
Chilly near 53°F 12°C, scattered downpours possible, with lower humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
52°F 11°C
Light Showers
Crisp with a high near 57°F 14°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
49°F 9°C
Light Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
50°F 10°C
Partly Cloudy
Brisk around 52°F 11°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
53°F 12°C
Sunny
Mildly cool near 63°F 17°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling.
Sumas, WA Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World