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Winter forecast 2025-26 calls for a snowy season for parts of the US. Get the details. Chevron right

St. Helena, CA

50°F
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St. Helena

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St. Helena, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

8 AM

48°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™50°

WindENE 4 mph

Air QualityExcellent

Max UV Index0.7 (Low)

Wind Gusts4 mph

Humidity100%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

53°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™53°

WindNE 4 mph

Air QualityExcellent

Max UV Index1.6 (Low)

Wind Gusts5 mph

Humidity97%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

59°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™58°

WindNE 6 mph

Air QualityExcellent

Max UV Index2.4 (Low)

Wind Gusts7 mph

Humidity70%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

66°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™63°

WindNE 6 mph

Air QualityExcellent

Max UV Index3.5 (Moderate)

Wind Gusts7 mph

Humidity54%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™70°

WindNE 7 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts8 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

80°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

WindNE 7 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts9 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

82°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

WindNE 7 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts12 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

84°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindNE 7 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts14 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

85°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™83°

WindNE 7 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts14 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

83°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindNE 6 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts14 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

WindNE 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts9 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 4 mph

Air QualityExcellent

Wind Gusts4 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity50%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

65°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity55%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity61%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

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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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