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Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast. Chevron right

St. Helena, CA

50°F
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St. Helena, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, September 30

Day

9/30
97°Hi
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Hot with blazing sunshine; caution advised if doing strenuous activities outside
alerts

Coastal Flood Advisory

11:00 AM Monday - 5:00 PM Thursday

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™10 (Very Bright)

WindWNW 5 mph

Wind Gusts13 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Morning

Afternoon

Night

9/30
58°Lo
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear
alerts

Coastal Flood Advisory

11:00 AM Monday - 5:00 PM Thursday

WindNW 2 mph

Wind Gusts4 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

11 hrs 49 mins
Rise 7:05 AM
Set 6:54 PM
Waning Gibbous
Rise 9:12 PM
Set 1:01 PM

Temperature History

9/30
High
Low
Forecast
97°
58°
Average
84°
52°
Last Year
71°
61°
Record
101°
1987
38°
1950

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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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