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Record-shattering March scorcher to bring summerlike heat to Southwest. See how hot it will get. Chevron right
March megastorm: Blizzard, dangerous winds. Get the forecast. Chevron right

St. Helena, CA

64°F
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St. Helena

California

64°
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St. Helena, CA Weather
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Winter Center

Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Heat Advisory

Tonight's Weather

Mon, Mar 16

Clear Lo: 52°

Tomorrow: Sunny with record-breaking heat; the length of this stretch of heat will bring an increased risk of heat-related illnesses Hi: 92°

Current Weather

10:08 PM

64°F
RealFeel® 65°
Clear More Details
Wind N 2 mph
Wind Gusts 3 mph
Air Quality Fair

Looking Ahead

Record-breaking high temperatures tomorrow

St. Helena Weather Radar

St. Helena Weather Radar
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Clouds
Temperature

Hourly Weather

11 PM 60°
rain drop 0%
12 AM 59°
rain drop 0%
1 AM 58°
rain drop 0%
2 AM 57°
rain drop 0%
3 AM 56°
rain drop 0%
4 AM 55°
rain drop 0%
5 AM 54°
rain drop 0%
6 AM 53°
rain drop 0%
7 AM 52°
rain drop 0%
8 AM 56°
rain drop 0%
9 AM 63°
rain drop 0%
10 AM 69°
rain drop 0%

10-Day Weather Forecast

Tonight

3/16

52° Lo

Clear

0%

Tue

3/17

92° 55°

Sunny; record-breaking heat

Night: Clear to partly cloudy
0%

Wed

3/18

90° 51°

Very warm

Clear
1%

Thu

3/19

92° 52°

Hot

Clear
2%

Fri

3/20

94° 57°

Hot

Mainly clear
4%

Sat

3/21

87° 55°

Very warm

Partly cloudy
5%

Sun

3/22

82° 52°

Mostly sunny and very warm

Mainly clear
7%

Mon

3/23

78° 50°

Mostly sunny and warm

Mainly clear
0%

Tue

3/24

76° 46°

Cloudy

Cloudy
2%

Wed

3/25

77° 48°

Sun and areas of high clouds

Clear
1%

Sun & Moon

11 hrs 58 mins
Rise 7:20 AM
Set 7:18 PM
Waning Crescent
Rise 6:11 AM
Set 5:03 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

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World North America United States California St. Helena

Weather Near St. Helena:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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