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Computed

Heat advisory

Sat

Feels-like high near 31°C.

Computed

Heat advisory

Sun

Feels-like high near 30°C.

Computed

Heat advisory

Mon

Feels-like high near 30°C.

San Antonio Weather

Texas 5:15 am local updated now

Overcast

74°

Overcast

Feels like 74°

82° 74° today's high / low
90

Perfect

Outdoor comfort right now

It is 74°F and overcast in San Antonio. Steady rain moves in around 2pm, clearing by 4pm. Tomorrow: partly cloudy, high 82°F.

  • Pressure steady slowly 29.93 inHg
  • Wind 5 mph N
  • Humidity 91%
  • Cloud 95%
  • UV peak 5
  • Rain chance 24%

Next 48 hours

Scroll sideways — or pick a day below.

Now

Overcast

5

5am

Light rain

10%

10

6am

Light rain

20%

11

7am

Light rain

24%

11

8am

Light rain

19%

11

9am

Partly cloudy

18%

12

10am

Partly cloudy

19%

12

11am

Partly cloudy

19%

13

12pm

Partly cloudy

24%

13

1pm

Partly cloudy

22%

13

2pm

Rain

22%

14

3pm

Light rain

22%

14

4pm

Partly cloudy

20%

14

5pm

Partly cloudy

21%

14

6pm

Partly cloudy

21%

13

7pm

Partly cloudy

14%

12

8pm

Partly cloudy

8%

12

9pm

Partly cloudy

7%

12

10pm

Partly cloudy

6%

11

11pm

Partly cloudy

5%

12

12am

Sun

Partly cloudy

7%

12

1am

Partly cloudy

7%

12

2am

Partly cloudy

7%

13

3am

Partly cloudy

7%

13

4am

Partly cloudy

8%

14

5am

Partly cloudy

8%

14

6am

Partly cloudy

8%

15

7am

Partly cloudy

8%

15

8am

Partly cloudy

7%

15

9am

Partly cloudy

7%

15

10am

Partly cloudy

5%

16

11am

Partly cloudy

5%

16

12pm

Partly cloudy

5%

16

1pm

Partly cloudy

6%

16

2pm

Partly cloudy

4%

16

3pm

Partly cloudy

4%

16

4pm

Partly cloudy

4%

16

5pm

Partly cloudy

8%

15

6pm

Partly cloudy

3%

14

7pm

Partly cloudy

6%

13

8pm

Partly cloudy

12

9pm

Partly cloudy

12

10pm

Partly cloudy

12

11pm

Partly cloudy

1%

12

12am

Mon

Partly cloudy

1%

12

1am

Partly cloudy

2%

13

2am

Partly cloudy

1%

13

3am

Partly cloudy

1%

14

Conditions in detail

  • Feels like

    74°

    About what it looks like

  • Dew point

    73°

    Muggy

  • Wind

    5 mph

    Gusting 13 mph from N

  • Pressure

    29.93 inHg

    Steady slowly

  • Visibility

    9.9 mi

    Clear

  • UV index

    0

    Peaks at 5 today

  • Cloud cover

    95%

    —

  • Precipitation today

    0.04"

    Over about 2h

Air quality

US AQI

20

Good

  • PM2.5 3 µg/m³
  • PM10 3 µg/m³
  • Ozone 44 µg/m³
  • NO₂ 6 µg/m³

San Antonio weather questions, answered

Will it rain in San Antonio today?
It is dry now. Rain is most likely around 2pm, easing by 4pm. The day peaks at a 24% chance.
How warm does it get in San Antonio today?
San Antonio reaches a high of 82°F and drops to 74°F overnight. Right now it is 74°F and feels like 74°F.
What is the best time to be outside in San Antonio today?
4am looks like the pick — 75°F, overcast, wind 5 mph. Outdoor comfort scores 89 out of 100 (perfect).
What is the weather in San Antonio tomorrow?
Partly cloudy, with a high of 82°F and a low of 73°F — about the same as today. Chance of precipitation peaks at 8%.
What time is sunrise and sunset in San Antonio?
The sun rises at 7:28 am and sets at 7:17 pm, giving 11h 49m of daylight.

About this San Antonio forecast

Updated 2026-10-03 10:15 UTC, and refreshed automatically every few minutes. Forecast data is provided by Visual Crossing; radar frames from RainViewer; the 20-year normals and records from the ERA5 reanalysis archive. No national weather service publishes point alerts here, so only computed watches are shown.

Watches labelled computed are worked out on this site from forecast thresholds and are not official warnings — always defer to your national weather service. Need help reading a number? See the sourced weather guide.

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