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Sunnyvale, CA Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

74°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Intermittent clouds

RealFeel Shade™70°

WindNW 16 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts23 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling20000 ft

5 PM

72°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

17%

Partly sunny

RealFeel Shade™68°

WindNW 16 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts24 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

70°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

17%

Partly sunny

RealFeel Shade™66°

WindNW 15 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts21 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

68°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

16%

Partly sunny

RealFeel Shade™64°

WindNW 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts17 mph

Humidity66%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

64°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

14%

Cloudy

RealFeel Shade™61°

WindNW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts10 mph

Humidity73%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility5 mi

Cloud Ceiling2000 ft

9 PM

63°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

14%

Cloudy

WindNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity74%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility5 mi

Cloud Ceiling2000 ft

10 PM

63°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

14%

Cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility5 mi

Cloud Ceiling2000 ft

11 PM

62°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

14%

Cloudy

WindNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity76%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Sunnyvale

AccuWeather's hourly forecast for Sunnyvale provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 74° with a RealFeel® of 73°, intermittent clouds with a 40% 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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