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A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
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San Antonio, TX

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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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May 16 - May 30

Sat 5/16

92° /75°
1%
Breezy and very warm with clouds giving way to a brightening sky

RealFeel®99°

RealFeel Shade™95°

Max UV Index8.0 (Very High)

WindSSE 14 mph

Sun 5/17

90° /77°
25%
Cloudy, windy and humid

RealFeel®90°

RealFeel Shade™89°

Max UV Index4.0 (Moderate)

WindSSE 16 mph

Mon 5/18

92° /77°
55%
Breezy and humid with times of clouds and sun; a thunderstorm in spots in the afternoon

RealFeel®94°

RealFeel Shade™92°

Max UV Index7.0 (High)

WindSSE 16 mph

Hours of Precipitation0.5

Hours of Rain0.5

Tue 5/19

93° /71°
88%
Breezy in the morning; mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®99°

RealFeel Shade™95°

Max UV Index8.0 (Very High)

WindSSE 13 mph

Hours of Precipitation2

Hours of Rain2

Wed 5/20

86° /72°
88%
Mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®95°

RealFeel Shade™87°

Max UV Index8.0 (Very High)

WindESE 8 mph

Hours of Precipitation4

Hours of Rain4

Thu 5/21

83° /68°
97%
Mostly cloudy with a couple of showers and a thunderstorm

RealFeel®89°

RealFeel Shade™85°

Max UV Index6.0 (High)

WindE 6 mph

Hours of Precipitation4

Hours of Rain4

Fri 5/22

81° /68°
73%
Cloudy; showers in the morning followed by rain and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™79°

Max UV Index3.0 (Moderate)

WindESE 6 mph

Hours of Precipitation6.5

Hours of Rain6.5

Sat 5/23

84° /69°
35%
Times of clouds and sun with a couple of strong thunderstorms possible; humid

RealFeel®96°

RealFeel Shade™87°

Max UV Index8.0 (Very High)

WindESE 4 mph

Sun 5/24

85° /70°
30%
Clouds and sun with a thunderstorm in spots; humid

RealFeel®95°

RealFeel Shade™88°

Max UV Index5.0 (Moderate)

WindE 4 mph

Mon 5/25

86° /70°
30%
Some sun with a thunderstorm possible; humid

RealFeel®99°

RealFeel Shade™93°

Max UV Index5.0 (Moderate)

WindENE 4 mph

Tue 5/26

85° /72°
75%
Humid with rain

RealFeel®98°

RealFeel Shade™93°

Max UV Index2.0 (Low)

WindSSE 2 mph

Hours of Precipitation6

Hours of Rain6

Wed 5/27

86° /70°
61%
Humid with periods of rain

RealFeel®101°

RealFeel Shade™95°

Max UV Index3.0 (Moderate)

WindESE 5 mph

Hours of Precipitation3.5

Hours of Rain3.5

Thu 5/28

89° /71°
85%
Mostly cloudy and humid; a shower in spots in the morning followed by rain in the afternoon

RealFeel®102°

RealFeel Shade™92°

Max UV Index11.0 (Extreme)

WindE 5 mph

Hours of Precipitation5

Hours of Rain5

Fri 5/29

88° /70°
63%
A couple of showers and a thunderstorm in the morning; otherwise, mostly cloudy and humid

RealFeel®97°

RealFeel Shade™94°

Max UV Index4.0 (Moderate)

WindSSE 9 mph

Hours of Precipitation1

Hours of Rain1

Sat 5/30

85° /73°
55%
Cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®95°

RealFeel Shade™92°

Max UV Index3.0 (Moderate)

WindSE 6 mph

Hours of Precipitation1

Hours of Rain1

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Weather Near San Antonio:

  • Austin, TX
  • Del Rio, TX
  • New Braunfels, TX
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