10-Day Weather Forecast - Saint Helena, CA

Rain in the morning then rain likely in the afternoon. Highs in the 50s. Southeast winds 10 to 20 mph.

Rain likely in the evening then a chance of rain after midnight. Lows near 50. Southeast winds 10 to 20 mph.

A chance of rain in the morning then rain in the afternoon. Highs in the 50s to lower 60s. Southeast winds 10 to 20 mph with gusts to around 35 mph.

Rain. Lows in the upper 40s to mid 50s. Southeast winds 10 to 20 mph with gusts to around 40 mph.

Rain. Highs in the 50s to lower 60s.

Showers and a slight chance of thunderstorms. Lows near 50.

Rain. Highs in the 50s. Lows in the mid 40s to lower 50s.

Rain. Highs in the 50s. Lows in the mid 40s to lower 50s.

Rain likely. Highs in the upper 40s to mid 50s.

Patchy fog. Rain likely. Lows in the 40s.

Mostly cloudy. A chance of rain. Highs in the upper 40s to mid 50s.

Mostly cloudy. Patchy fog. A chance of rain. Lows in the upper 30s to mid 40s. Highs in the upper 40s to mid 50s.

Mostly cloudy. Patchy fog. A chance of rain. Lows in the upper 30s to mid 40s. Highs in the upper 40s to mid 50s.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 42F. Dew point will be around 41F with an average humidity of 93%. Winds will be 6 mph from the NW.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 50F. Dew point will be around 43F with an average humidity of 84%. Winds will be 6 mph from the NW.

Clear. Low temperature around 40F. Dew point will be around 39F with an average humidity of 91%. Winds will be 6 mph from the NW.

Sunny. High temperature around 49F. Dew point will be around 40F with an average humidity of 80%. Winds will be 6 mph from the NW.

Clear. Low temperature around 38F. Dew point will be around 36F with an average humidity of 86%. Winds will be 6 mph from the N.