St. Charles Lake, WA 7-Day Night Weather Forecast

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St. Charles Lake, WA 7-Day Night Weather Forecast

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St. Charles Lake WA weather  - Mostly Clear - 78°F
Mostly Clear
78°F
Updated 6:30 pm
Feels Like 78°F
Humidity 53%
Wind WNW 12 mph
Barometer  30.05 in
Dew Point 60°F
St. Charles Lake WA weather  - Mostly Clear - 26°C
Mostly Clear
26°C
Updated 6:30 pm
Feels Like 26°C
Humidity 53%
Wind WNW 19 km/h
Barometer  101.8 kPa
Dew Point 16°C

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St. Charles Lake, WA Weather Forecast

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St. Charles Lake, WA Weather Forecast Date: 1118 AM PDT Tue Aug 11 2026

The area/counties/county of: South Washington Cascades, including the cities of: Mt. St. Helens, Larch Mountain, and Indian Heaven Wilderness.
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This Afternoon... Sunny. Free air freezing level 14000 feet. West wind 5 to 10 mph.

Tonight... Mostly clear in the evening, then becoming partly cloudy. Free air freezing level 14000 feet. Northwest wind 5 to 10 mph.

Wednesday... Mostly sunny. Free air freezing level 13000 feet, Decreasing to free air freezing level 12000 feet in the afternoon. Northwest wind 5 to 10 mph.

Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Patchy smoke after midnight. Free air freezing level 12000 feet. Northwest wind 5 to 10 mph.

Thursday... Mostly sunny. Free air freezing level 12000 feet. Northwest wind 5 to 10 mph.

Thursday Night... Mostly clear. Free air freezing level 12000 feet.

Friday... Mostly sunny. Free air freezing level 12000 feet.

Friday Night... Mostly clear in the evening, then becoming partly cloudy. Free air freezing level 13000 feet.

Saturday... Mostly sunny. Free air freezing level 13000 feet.

Saturday Night... Partly cloudy. Free air freezing level 13000 feet.

Sunday... Partly sunny. Free air freezing level 13000 feet.

Sunday Night... Mostly cloudy. Free air freezing level 14000 feet.

POP = Probability of Precipitation

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