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San Antonio, TX

101°F
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San Antonio, TX Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

99°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™99°

Heat Index104°

WindSSE 8 mph

Air QualityFair

Max UV Index5.4 (Moderate)

Wind Gusts10 mph

Humidity35%

Indoor Humidity35% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

100°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™100°

Heat Index105°

WindSSE 8 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts10 mph

Humidity33%

Indoor Humidity33% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

101°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™100°

Heat Index104°

WindSSE 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts10 mph

Humidity29%

Indoor Humidity29% (Humid)

Dew Point64° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

100°
RealFeel® 100°
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
Mostly cloudy
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™99°

Heat Index103°

WindSSE 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity30%

Indoor Humidity30% (Humid)

Dew Point64° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

98°
RealFeel® 97°
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
Mostly cloudy
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™97°

Heat Index101°

WindSSE 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity32%

Indoor Humidity32% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

96°
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
Mostly sunny
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

RealFeel Shade™95°

Heat Index99°

WindSSE 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity36%

Indoor Humidity36% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

94°
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
Mostly clear
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

Heat Index99°

WindSSE 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity45%

Indoor Humidity45% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

91°
RealFeel® 93°
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
Clear
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

Heat Index97°

WindSSE 12 mph

Air QualityFair

Wind Gusts21 mph

Humidity53%

Indoor Humidity53% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

88°
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
Clear
alerts

Heat Advisory

2:00 PM Thursday - 7:00 PM Sunday

Heat Index95°

WindSSE 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for San Antonio

AccuWeather's hourly forecast for San Antonio provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 99° with a RealFeel® of 105°, mostly cloudy 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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