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Hawaii braces for Tropical Storm Lala, rare landfall possible. Click for the forecast.

St. Helena, CA

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St. Helena, CA Weather

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4 PM

75°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™72°

WindSSW 9 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts20 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

76°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™73°

WindSW 9 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts22 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

75°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™72°

WindSW 8 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts18 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

72°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™70°

WindWSW 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts15 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

69°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Mostly sunny

RealFeel Shade™67°

WindWSW 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

66°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Partly cloudy

WindWSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity74%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

62°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

1%

Intermittent clouds

WindSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity82%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling11200 ft

11 PM

59°

RealFeel® 58°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

1%

Cloudy

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity91%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1800 ft

Hourly Weather Forecast for St. Helena

AccuWeather's hourly forecast for St. Helena provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 78°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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