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Assumption School, WA Weather Forecast
Assumption School, WA Weather Forecast Date: 236 PM PDT Mon Sep 21 2026
The area/counties/county of: Lowlands Of Western Whatcom County, including the cities of: Bellingham, Sumas, Blaine, and Lynden.or toggle through each period.
Tonight... Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph.
Tuesday... Mostly sunny. Highs in the 60s to lower 70s. South wind to 10 mph becoming southwest around 10 mph in the afternoon.
Tuesday Night... Mostly cloudy. Lows in the upper 40s to mid 50s. South wind to 10 mph becoming southeast after midnight.
Wednesday... Partly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the 60s. Southeast wind to 10 mph becoming southwest in the afternoon.
Wednesday Night... Mostly cloudy. Lows in the mid 40s to lower 50s. Light wind becoming east to 10 mph after midnight.
Thursday... Mostly cloudy. A chance of rain in the afternoon. Highs in the lower to mid 60s.
Thursday Night... Rain likely. Lows near 50.
Friday... Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the lower 60s.
Friday Night... Mostly cloudy with a chance of rain. Lows in the mid to upper 40s.
Saturday... Mostly sunny. A slight chance of rain in the morning. Highs in the lower to mid 60s.
Saturday Night... Mostly cloudy. Lows in the mid to upper 40s.
Sunday... Partly sunny. A slight chance of rain in the afternoon. Highs in the lower to mid 60s.
Sunday Night... Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the mid to upper 40s.
POP = Probability of Precipitation
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