Wind
WSW
7 mph
G 18 mph
Local Forecast
St. Helena, CA Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for St. Helena, CA.
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Hour-by-Hour Forecast
Monday 2:00 PM PDTMonday 2:00 PM
°F
°C
71°F
Slight Chance Light Drizzle
- 73° / 48° High / Low
- 71° Feels Like
- 0% Chance of Rain
UV Index
8
Very High
Humidity
53%
Dew 53°F
Sun
5:51 AM · 8:22 PM
Rise · Set
Source: Saint Helena, CA. Slider scrubs the next 12 hours.
5-Day Outlook
Through Friday
Today
73° 48°
Chance of Rain
Overnight: Chance of Rain
Detailed forecast
Today
A slight chance of drizzle. Mostly sunny. High near 73, with temperatures falling to around 69 in the afternoon. West wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Night
A chance of drizzle before 3am. Mostly cloudy, with a low around 48. West wind 2 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
73° 48°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Tuesday
A slight chance of drizzle between 2pm and 3pm. Mostly sunny, with a high near 73. West northwest wind 2 to 8 mph, with gusts as high as 22 mph.
Night
Mostly clear, with a low around 48. Northwest wind 0 to 8 mph, with gusts as high as 23 mph.
Wednesday
77° 53°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Wednesday
A slight chance of drizzle after 11am. Mostly sunny, with a high near 76. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
Night
A slight chance of drizzle before 5am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Thursday
78° 50°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Thursday
Mostly sunny, with a high near 75.
Night
Areas of fog after 3am. Mostly cloudy, with a low around 50.
Friday
78° 51°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Friday
Areas of fog before 8am. Mostly sunny, with a high near 77.
Night
Patchy fog after 3am. Mostly clear, with a low around 50.
St. Helena, CA Weather Analysis Tools
