Saint Helena, California Weather

Includes the Counties: North Bay Interior Valleys

Tonight	Tonight... Breezy. A slight chance of thunderstorms in the evening. Showers likely. Some thunderstorms May produce small hail in the evening. Lows in the upper 30s to mid 40s. West winds 20 to 30 mph.
Sat	Saturday... Mostly cloudy. Breezy. A chance of showers. Highs in the mid 40s to lower 50s. Northwest winds 20 to 30 mph.
Sat Night	Saturday Night... Mostly cloudy. A slight chance of showers. Lows in the 30s to lower 40s. West winds 10 to 20 mph.
Sun	Sunday... Mostly cloudy in the morning then becoming partly cloudy. A slight chance of showers. Highs in the upper 40s to mid 50s. Northwest winds 5 to 15 mph. Chance of showers 20 percent.
Sun Night	Sunday Night... Partly cloudy in the evening then becoming clear. Lows in the upper 20s to lower 40s. North winds 5 to 10 mph.
Washingtons Birthday	Washingtons Birthday... Sunny. Highs in the 50s.
Mon Night	Monday Night... Mostly clear. Lows in the 30s to lower 40s. Highs in the 50s.
Tue	Tuesday... Mostly clear. Lows in the 30s to lower 40s. Highs in the 50s.
Tue Night	Tuesday Night... Partly cloudy. Lows in the 30s to mid 40s.
Wed	Wednesday... Partly cloudy. A slight chance of showers. Highs in the lower to mid 50s.
Wed Night	Wednesday Night... Partly cloudy. A chance of showers. Lows in the 30s to lower 40s.
Thu	Thursday... Partly cloudy. A slight chance of showers. Highs in the upper 40s to mid 50s.
Thu Night	Thursday Night... Mostly clear. Lows in the 30s to lower 40s.