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Severe weather outbreak, strong tornadoes expected through Monday. Get the details. Chevron right
Following a nice start to the week, the Northeast will turn wet and chilly again. Get the forecast. Chevron right

Sunnyvale, TX

75°F
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Sunnyvale

Texas

75°
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Sunnyvale, TX Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindS 13 mph

Air QualityPoor

Wind Gusts23 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling30700 ft

4 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindS 13 mph

Air QualityPoor

Wind Gusts21 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindS 12 mph

Air QualityPoor

Wind Gusts18 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling20900 ft

6 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindS 12 mph

Air QualityPoor

Wind Gusts18 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling11700 ft

7 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

RealFeel Shade™76°

WindS 12 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts17 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2600 ft

8 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™76°

WindSSW 12 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts18 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2100 ft

9 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™78°

WindSSW 12 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts21 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

10 AM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™79°

WindSSW 13 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts22 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

11 AM

80°
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 cloudy

RealFeel Shade™82°

WindSSW 13 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts22 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling11300 ft

12 PM

84°
RealFeel® 91°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™86°

WindSSW 13 mph

Air QualityPoor

Max UV Index6.3 (High)

Wind Gusts23 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling20700 ft

1 PM

87°
RealFeel® 95°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™88°

WindSW 13 mph

Air QualityPoor

Max UV Index8.9 (Very High)

Wind Gusts23 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 95°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™89°

WindSW 13 mph

Air QualityPoor

Max UV Index7.9 (Very High)

Wind Gusts23 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
RealFeel® 95°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™89°

WindSW 12 mph

Air QualityPoor

Max UV Index5.8 (High)

Wind Gusts22 mph

Humidity45%

Indoor Humidity45% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
RealFeel® 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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™90°

WindSW 12 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts22 mph

Humidity41%

Indoor Humidity41% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 92°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™89°

WindSW 10 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts22 mph

Humidity42%

Indoor Humidity42% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
RealFeel® 91°
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
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™89°

WindSSW 9 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts21 mph

Humidity45%

Indoor Humidity45% (Humid)

Dew Point66° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
RealFeel® 88°
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
Intermittent clouds

RealFeel Shade™88°

WindSSW 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts17 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

84°
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 2%
Chevron down
Mostly sunny

RealFeel Shade™85°

WindS 8 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

82°
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 2%
Chevron down
Mostly clear

WindS 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

79°
RealFeel® 82°
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 2%
Chevron down
Mostly clear

WindS 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
RealFeel® 82°
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 2%
Chevron down
Partly cloudy

WindS 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover35%

Visibility10 mi

Cloud Ceiling30000 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 76°, mostly cloudy with a 7% 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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