Weather WorldLake Armstrong, WA 7-Day Night Weather Forecast
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Lake Armstrong, WA Weather Forecast
Lake Armstrong, WA Weather Forecast Date: 236 PM PDT Sun Aug 23 2026
The area/counties/county of: Lowlands Of Western Skagit And Northwestern Snohomish Counties, Woolley, Burlington, and Arlington.or toggle through each period.
Tonight... Partly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. West wind to 10 mph becoming north after midnight.
Monday... Partly sunny in the morning then becoming sunny. Patchy fog in the morning. Patchy smoke in the afternoon. Highs in the 70s. Light wind becoming northwest 10 to 15 mph in the afternoon.
Monday Night... Partly cloudy. Patchy smoke. Lows in the 50s. Northwest wind to 10 mph in the evening becoming light.
Tuesday... Sunny. Highs in the mid 70s to lower 80s. Light wind.
Tuesday Night... Partly cloudy. Lows in the 50s. West wind to 10 mph becoming south after midnight.
Wednesday... Partly sunny. Highs in the 70s.
Wednesday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s.
Thursday... Mostly cloudy with a slight chance of rain. Highs in the upper 60s to mid 70s.
Thursday Night... Partly cloudy. Lows in the lower 50s.
Friday... Partly sunny. Highs near 70.
Friday Night... Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain. Lows in the lower 50s.
Saturday... Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the mid 60s to lower 70s.
Saturday Night... Partly cloudy. Lows near 50.
POP = Probability of Precipitation
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