Local Forecast

St. Helena, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for St. Helena, CA

No Active Alerts

Hour-by-Hour  Current Observation

Tuesday 8:30 AM PDTTuesday 8:30 AM

°F °C
Regional Observations →
53°F

Fog/Mist

  • 84° / 53° High / Low
  • 53° Feels Like
  • 0% Chance of Rain

Wind

3 mph

SSE

UV Index

3

Moderate

Humidity

100%

Dew 53°F

Sun

6:59 AM · 7:04 PM

Rise · Set

Source: SANTA ROSA (KSTS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tuesday

84° 53°

Overnight Fog

Overnight: Forecast Missing

Detailed forecast

Tuesday

Areas of fog before 10am. Sunny, with a high near 84. South wind 0 to 3 mph.

Night

Areas of fog after 2am. Partly cloudy, with a low around 53. West wind around 2 mph.

Wednesday

91° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Patchy fog before 9am. Mostly sunny, with a high near 90. North northwest wind around 2 mph.

Night

Partly cloudy, with a low around 56. West northwest wind around 2 mph.

Thursday

89° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Mostly sunny, with a high near 89.

Night

Mostly cloudy, with a low around 55.

Friday

84° 53°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Mostly sunny, with a high near 82.

Night

Partly cloudy, with a low around 51.

Saturday

82° 51°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Saturday

Mostly sunny, with a high near 80.

Night

Patchy fog after 4am. Partly cloudy, with a low around 50.