Weather WorldSt. Helena Senior High School, CA 7-Day Night Weather Forecast
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St. Helena Senior High School, CA Weather Forecast
St. Helena Senior High School, CA Weather Forecast Date: 902 PM PDT Tue Aug 18 2026
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Rest of Tonight... Mostly cloudy. Patchy fog after midnight. Lows in the 50s to lower 60s. Southwest winds 5 to 10 mph.
Wednesday... Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to 80s. Southwest winds 5 to 15 mph.
Wednesday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest winds 5 to 15 mph.
Thursday... Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 70s to 80s. Southwest winds 5 to 15 mph.
Thursday Night... Mostly cloudy. Lows in the 50s to lower 60s. West winds 5 to 15 mph.
Friday... Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 70s to mid 80s.
Friday Night... Mostly clear. Lows in the 50s.
Saturday... Partly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.
Saturday Night... Mostly clear except patchy fog. Lows in the 50s.
Sunday... Mostly cloudy in the morning then becoming sunny. Patchy fog. Highs in the lower 70s to mid 80s.
Sunday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s.
Monday... Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. Highs in the upper 60s to lower 80s.
Monday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s.
POP = Probability of Precipitation
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