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Napa County, CA Weather Forecast
Napa County, CA Weather Forecast Date: 902 PM PDT Thu Aug 06 2026
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Rest of Tonight... Partly cloudy. Patchy fog after midnight. Lows in the upper 40s to lower 60s. Southwest winds 5 to 15 mph.
Friday... Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 80s to mid 90s. Southwest winds 5 to 15 mph.
Friday Night... Mostly clear in the evening then becoming partly cloudy. Lows in the 50s to 60s. Southwest winds 5 to 15 mph.
Saturday... Partly cloudy in the morning then becoming sunny. Highs in the 80s to 90s. Southwest winds 5 to 10 mph.
Saturday Night... Mostly clear. Lows in the 50s to 60s. Southwest winds 5 to 15 mph.
Sunday... Sunny. Highs in the mid 80s to upper 90s.
Sunday Night... Mostly clear. Lows in the 50s to lower 60s. Highs in the mid 70s to lower 90s.
Monday... Mostly clear. Lows in the 50s to lower 60s. Highs in the mid 70s to lower 90s.
Monday Night... Mostly clear. Areas of fog. Lows in the upper 40s to lower 60s. Highs in the mid 70s to upper 80s.
Tuesday... Mostly clear. Areas of fog. Lows in the upper 40s to lower 60s. Highs in the mid 70s to upper 80s.
Wednesday... Partly cloudy in the morning then becoming sunny. Areas of fog. Highs in the mid 70s to upper 80s.
Wednesday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s to lower 60s.
POP = Probability of Precipitation
Napa County Radar Loop
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