Saint Helena, CA 10-Day Weather Forecast

Napa County2:52 PM PDT38.51°N, 122.47°WElevation 253 ft
Coastal Flood Advisory until 3:00 PM Thu

Overview

  1. TonightOct 24 Mostly Clear Mostly Clear44°
  2. TodayOct 25 Partly Sunny Partly Sunny42°74°
  3. MonOct 26 Areas Of Fog then Mostly Sunny Areas Of Fog then Mostly Sunny40°69°
  4. TueOct 27 Patchy Fog then Sunny Patchy Fog then Sunny42°70°
  5. WedOct 28 Areas Of Fog then Partly Sunny Areas Of Fog then Partly Sunny42°67°
  6. ThuOct 29 Areas Of Fog then Mostly Sunny Areas Of Fog then Mostly Sunny11%40°65°
  7. FriOct 30 Areas Of Fog then Slight Chance Light Rain Areas Of Fog then Slight Chance Light Rain15%38°63°
  8. SatOct 31 Areas Of Fog then Mostly Sunny Areas Of Fog then Mostly Sunny12%63°

Tonight October 24

Mostly Clear
Tonight
Low 44°
Mostly Clear

Mostly clear. Low around 44, with temperatures rising to around 46 overnight. Wind around 0 mph.

Precip 0%Wind 0 mph

Today October 25

Partly Sunny
Sunday
High 74°
Partly Sunny

Partly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Southeast wind around 2 mph.

Precip 0%Wind SE 2 mph
Mostly Cloudy then Areas Of Fog
Sunday Night
Low 42°
Mostly Cloudy then Areas Of Fog

Areas of fog after 1am. Mostly cloudy, with a low around 42. West northwest wind around 1 mph.

Precip 2%Wind WNW 1 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise7:30 AM
Sunset6:20 PM
Daylight10 h 49 min
Moon Full Moon (100%)

Tomorrow October 26

Areas Of Fog then Mostly Sunny
Monday
High 69°
Areas Of Fog then Mostly Sunny

Areas of fog before 8am. Mostly sunny, with a high near 69. West wind 1 to 6 mph.

Precip 2%Wind W 1 to 6 mph
Mostly Clear then Patchy Fog
Monday Night
Low 40°
Mostly Clear then Patchy Fog

Patchy fog after 1am. Mostly clear, with a low around 40. Northwest wind 0 to 5 mph.

Precip 0%Wind NW 0 to 5 mph
Rain/precip total0.00 in
Gusts to16 mph
Sunrise7:31 AM
Sunset6:18 PM
Daylight10 h 47 min
Moon Full Moon (99%)

Tuesday October 27

Patchy Fog then Sunny
Tuesday
High 70°
Patchy Fog then Sunny

Patchy fog before 9am. Sunny, with a high near 70.

Precip 0%Wind NNW 2 mph
Partly Cloudy then Areas Of Fog
Tuesday Night
Low 42°
Partly Cloudy then Areas Of Fog

Areas of fog after 1am. Partly cloudy, with a low around 42.

Precip 0%Wind WNW 2 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise7:32 AM
Sunset6:17 PM
Daylight10 h 45 min
Moon Waning Gibbous (97%)

Wednesday October 28

Areas Of Fog then Partly Sunny
Wednesday
High 67°
Areas Of Fog then Partly Sunny

Areas of fog before 9am. Partly sunny, with a high near 67.

Precip 0%Wind WNW 1 mph
Mostly Cloudy then Areas Of Fog
Wednesday Night
Low 42°
Mostly Cloudy then Areas Of Fog

Areas of fog after 2am. Mostly cloudy, with a low around 42.

Precip 0%Wind WNW 1 mph
Rain/precip total0.00 in
Gusts to7 mph
Sunrise7:33 AM
Sunset6:16 PM
Daylight10 h 43 min
Moon Waning Gibbous (91%)

Thursday October 29

Areas Of Fog then Mostly Sunny
Thursday
High 65°
Areas Of Fog then Mostly Sunny

Areas of fog before 10am. Mostly sunny, with a high near 65.

Precip 5%Wind WNW 2 mph
Partly Cloudy then Areas Of Fog
Thursday Night
Low 40°
Partly Cloudy then Areas Of Fog

Areas of fog after 2am. Partly cloudy, with a low around 40.

Precip 11%Wind WNW 2 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise7:34 AM
Sunset6:15 PM
Daylight10 h 40 min
Moon Waning Gibbous (83%)

Friday October 30

Areas Of Fog then Slight Chance Light Rain
Friday
High 63°
Areas Of Fog then Slight Chance Light Rain

Areas of fog before 10am, then a slight chance of rain. Mostly sunny, with a high near 63.

Precip 15%Wind WNW 2 mph
Slight Chance Light Rain
Friday Night
Low 38°
Slight Chance Light Rain

A slight chance of rain before 1am, then areas of fog and a slight chance of rain. Partly cloudy, with a low around 38.

Precip 15%Wind NW 2 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise7:35 AM
Sunset6:14 PM
Daylight10 h 38 min
Moon Waning Gibbous (74%)

Saturday October 31

Areas Of Fog then Mostly Sunny
Saturday
High 63°
Areas Of Fog then Mostly Sunny

Areas of fog before 10am. Mostly sunny, with a high near 63.

Precip 12%Wind W 1 mph
Rain/precip total0.00 in
Gusts to8 mph
Sunrise7:36 AM
Sunset6:12 PM
Daylight10 h 36 min
Moon Waning Gibbous (63%)

National Weather Service forecast updated 1 day ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather