Weather World
City of Sumas, WASumas, WA 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sumas Weather Forecast
Sumas, WA Weather Forecast Date: 136 PM PST Mon Nov 09 2026
Weather forecast for Sumas, WA
Tonight Lo: 45°F Lo: 7°C |
Tonight... Breezy. Partly cloudy after midnight then becoming mostly cloudy. Rain at times in the evening, then a chance of rain late in the evening. A slight chance of rain after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 40s. East wind 15 to 25 mph becoming southeast 10 to 20 mph after midnight. |
Tue Hi: 57°FHi: 14°C Lo: 50°F Lo: 10°C |
Tuesday... Breezy, rain. Rainfall amounts a half inch to one inch possible. Highs in the mid to upper 50s. Southeast wind 15 to 25 mph with gusts to 35 mph. |
| Veterans Day Hi: 60°FHi: 16°C Lo: 50°F Lo: 10°C |
Veterans Day... Windy. Cloudy with rain likely in the morning, then cloudy with a chance of rain in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the upper 50s to mid 60s. Southeast wind 20 to 35 mph with gusts to 45 mph. |
| Thu Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Thursday... Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the lower 60s. |
| Fri Hi: 57°FHi: 14°C Lo: 47°F Lo: 8°C |
Friday... Windy. Rain likely in the morning, then rain at times in the afternoon. Highs in the mid to upper 50s. |
| Sat Hi: 53°FHi: 12°C Lo: 43°F Lo: 6°C |
Saturday... Windy. Rain likely. Highs in the lower to mid 50s. |
| Sun Hi: 51°FHi: 11°C Lo: 41°F Lo: 5°C |
Sunday... Windy. Rain likely in the morning, then rain at times in the afternoon. Highs in the lower 50s. |
Sumas Radar Loop
Use the map search tool if you want to place a location marker on the radar map...