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About Lake Hennessey, NapaLake Hennessey, CA 7-Day Night Weather Forecast
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Lake Hennessey, CA Weather Forecast
Lake Hennessey, CA Weather Forecast Date: 602 PM PDT Sun Aug 16 2026
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Tonight... Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest winds 5 to 10 mph.
Monday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s to lower 80s. Southwest winds 5 to 15 mph.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 40s to upper 50s. Southwest winds 5 to 15 mph.
Tuesday... Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the lower 70s to mid 80s. Southwest winds 5 to 10 mph.
Tuesday Night... Mostly clear in the evening then becoming mostly cloudy. Lows in the 50s to lower 60s. Southwest winds 5 to 15 mph.
Wednesday... Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.
Wednesday Night... Partly cloudy. Lows in the 50s. Highs in the lower 70s to mid 80s.
Thursday... Partly cloudy. Lows in the 50s. Highs in the lower 70s to mid 80s.
Friday... Partly cloudy. Lows in the 50s. Highs in the lower 70s to mid 80s.
Friday Night... Mostly clear. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s.
Saturday... Mostly clear. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s.
Saturday Night... Clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s.
POP = Probability of Precipitation
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