Weather in Saint Helena, California, United States

7-Day Detailed Weather Forecast for Saint Helena

Overnight

Temperature: 50°F

Wind Speed: 0 mph

Wind Direction:

Forecast: Areas of fog and a chance of rain. Cloudy. Low around 50, with temperatures rising to around 53 overnight. Wind around 0 mph. Chance of precipitation is 40%.

Saturday

Temperature: 57°F

Wind Speed: 2 mph

Wind Direction: ESE

Forecast: Areas of fog and a chance of rain before 10am, then rain and areas of fog. Cloudy. High near 57, with temperatures falling to around 55 in the afternoon. East southeast wind around 2 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Temperature: 51°F

Wind Speed: 2 to 6 mph

Wind Direction: SSE

Forecast: Rain and patchy fog. Cloudy. Low around 51, with temperatures rising to around 56 overnight. South southeast wind 2 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Sunday

Temperature: 57°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a high near 57. South southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Sunday Night

Temperature: 48°F

Wind Speed: 2 to 7 mph

Wind Direction: SSW

Forecast: Rain before 4am, then rain likely and patchy fog. Cloudy, with a low around 48. South southwest wind 2 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Monday

Temperature: 55°F

Wind Speed: 2 mph

Wind Direction: SW

Forecast: Rain and patchy fog. Cloudy, with a high near 55. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Monday Night

Temperature: 46°F

Wind Speed: 2 mph

Wind Direction: S

Forecast: Rain before 7pm, then rain and areas of fog. Cloudy, with a low around 46.

Tuesday

Temperature: 53°F

Wind Speed: 2 to 6 mph

Wind Direction: SE

Forecast: Rain and patchy fog. Cloudy, with a high near 53.

Tuesday Night

Temperature: 43°F

Wind Speed: 3 to 7 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a low around 43.

Wednesday

Temperature: 52°F

Wind Speed: 2 to 6 mph

Wind Direction: SSE

Forecast: Rain. Mostly cloudy, with a high near 52.

Wednesday Night

Temperature: 45°F

Wind Speed: 7 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a low around 45.

Christmas Day

Temperature: 51°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a high near 51.

Thursday Night

Temperature: 41°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 41.

Friday

Temperature: 52°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Rain likely. Mostly cloudy, with a high near 52.