Weather WorldPetaluma Reservoir, CA 7-Day Night Weather Forecast
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Petaluma Reservoir, CA Weather Forecast
Petaluma Reservoir, CA Weather Forecast Date: 902 PM PDT Wed Aug 12 2026
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Rest of Tonight... Partly cloudy late in the evening then becoming mostly cloudy. Lows in the mid 50s to lower 60s. Southwest winds around 5 mph.
Thursday... Mostly cloudy in the morning then becoming sunny. Highs in the 60s to 70s. South winds 5 to 10 mph.
Thursday Night... Mostly clear in the evening then becoming mostly cloudy. Lows in the 50s. Southwest winds 5 to 10 mph.
Friday... Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to upper 70s. South winds 5 to 10 mph.
Friday Night... Mostly clear in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the 50s. Southwest winds 5 to 10 mph.
Saturday... Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s.
Saturday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s.
Sunday... Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the 50s.
Sunday Night... Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the 50s.
Monday... Mostly cloudy. Highs in the upper 60s to lower 80s. Lows in the 50s to lower 60s.
Tuesday... Mostly cloudy. Highs in the upper 60s to lower 80s. Lows in the 50s to lower 60s.
Tuesday Night... Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the lower 70s to mid 80s.
POP = Probability of Precipitation
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