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St. Helena, CA

69°F
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St. Helena

California

69°
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St. Helena, CA Weather
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 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Coastal Flood Advisory

Tonight's Weather

Sun, May 17

Clear Lo: 60°

Tomorrow: Warmer with plenty of sun Hi: 89°

Current Weather

9:09 PM

69°F
RealFeel® 67°
Clear More Details
Wind NNW 7 mph
Wind Gusts 12 mph
Air Quality Fair

Looking Ahead

Possible danger of dehydration and heat stroke while doing strenuous activities Tuesday

St. Helena Weather Radar

St. Helena Weather Radar
Static Radar Temporarily Unavailable
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Clouds
Temperature

Hourly Weather

10 PM 68°
rain drop 0%
11 PM 66°
rain drop 0%
12 AM 65°
rain drop 0%
1 AM 64°
rain drop 0%
2 AM 64°
rain drop 0%
3 AM 63°
rain drop 0%
4 AM 62°
rain drop 0%
5 AM 62°
rain drop 0%
6 AM 60°
rain drop 0%
7 AM 62°
rain drop 0%
8 AM 65°
rain drop 0%
9 AM 69°
rain drop 0%

10-Day Weather Forecast

Tonight

5/17

60° Lo

Clear

1%

Mon

5/18

89° 57°

Warmer with plenty of sun

Night: Clear
1%

Tue

5/19

93° 55°

Hot with plenty of sunshine

Clear
0%

Wed

5/20

92° 56°

Partly sunny and hot

Clear
0%

Thu

5/21

90° 51°

Partly sunny and very warm

Mainly clear
1%

Fri

5/22

82° 54°

Mostly sunny

Mainly clear
1%

Sat

5/23

79° 55°

Mostly sunny and pleasant

Mainly clear
3%

Sun

5/24

79° 54°

Partly sunny

Mainly clear
0%

Mon

5/25

81° 53°

Intervals of clouds and sun

Partly cloudy
0%

Tue

5/26

81° 54°

Sunshine

Mainly clear
0%

Sun & Moon

14 hrs 19 mins
Rise 5:57 AM
Set 8:16 PM
Waxing Crescent
Rise 6:13 AM
Set 10:05 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 Moderate Data is not supported in this location Dust & Dander High Data is not supported in this location

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Weather Near St. Helena:

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