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San Antonio, TX 78234 Weather

Today: Slight Chance Rain Showers, high 77°F, low 65°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

San Antonio, TX 78234 current weather

76°F

Slight Chance Rain Showers

Forecast for this hour. No recent report from a nearby station.

H 77° / L 65°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 12:44 PM PT

Hourly forecast

NWS, updated 10/29/2026, 12:44 PM PT

  1. Now76°24%
  2. 5 PM76°24%
  3. 6 PM75°24%
  4. 7 PM73°
  5. 8 PM71°
  6. 9 PM71°
  7. 10 PM71°
  8. 11 PM70°
  9. 12 AM70°Fri
  10. 1 AM70°
  11. 2 AM69°
  12. 3 AM68°
  13. 4 AM67°16%
  14. 5 AM66°16%
  15. 6 AM66°16%
  16. 7 AM66°38%
  17. 8 AM65°38%
  18. 9 AM66°38%
  19. 10 AM68°49%
  20. 11 AM69°49%
  21. 12 PM71°49%
  22. 1 PM72°63%
  23. 2 PM72°63%
  24. 3 PM73°63%
  25. 4 PM73°55%
  26. 5 PM73°55%
  27. 6 PM74°55%
  28. 7 PM72°34%
  29. 8 PM71°34%
  30. 9 PM70°34%
  31. 10 PM70°25%
  32. 11 PM69°25%
  33. 12 AM68°25%Sat
  34. 1 AM68°32%
  35. 2 AM68°32%
  36. 3 AM68°32%
  37. 4 AM67°35%
  38. 5 AM67°35%
  39. 6 AM67°35%
  40. 7 AM67°15%
  41. 8 AM66°15%
  42. 9 AM68°15%
  43. 10 AM71°15%
  44. 11 AM74°15%
  45. 12 PM76°15%
  46. 1 PM78°
  47. 2 PM80°
  48. 3 PM81°

10-day forecast

Tap a day for details

  • Today10/2924% chance of precipitationLow 65°High 77°

    This Afternoon: A slight chance of rain showers. Mostly cloudy, with a high near 77. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Tonight: A slight chance of rain showers. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Slight Chance Rain Showers
  • Fri10/3063% chance of precipitationLow 65°High 75°

    Friday: A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 75. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

    Friday Night: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers And Thunderstorms Likely
  • Sat10/3135% chance of precipitationLow 67°High 81°

    Saturday: A chance of rain showers before 1pm. Partly sunny, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 40%.

    Saturday Night: Partly cloudy, with a low around 67. East northeast wind 0 to 5 mph.

    Chance Rain Showers
  • Sun11/1Low 69°High 83°

    Sunday: Partly sunny, with a high near 83. East wind around 5 mph.

    Sunday Night: Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Partly Sunny
  • Mon11/229% chance of precipitationLow 68°High 84°

    Monday: Partly sunny, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Monday Night: A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Partly Sunny
  • Tue11/344% chance of precipitationLow 58°High 80°

    Tuesday: A chance of showers and thunderstorms before noon. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    Tuesday Night: Mostly clear, with a low around 58.

    Chance Showers And Thunderstorms then Partly Sunny
  • Wed11/4Low 56°High 77°

    Wednesday: Sunny, with a high near 77.

    Wednesday Night: Mostly clear, with a low around 56.

    Sunny
  • Thu11/5Model blendLow 55°High 79°

    Thursday: Mostly sunny. High near 79°. Low that night near 55°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend12% chance of precipitationLow 57°High 79°

    Friday: Mostly sunny. High near 79°. Low that night near 57°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend38% chance of precipitationLow 58°High 77°

    Saturday: Chance of rain. High near 77°. Low that night near 58°. About 0.84 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 29.462, -98.432 from the NWS EWX office, updated 10/29/2026, 12:44 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSAT (San Antonio Intl, 6 mi), model run 10/29/2026, 3:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now76°Slight Chance Rain Showers24%10 mph
  2. 5 PM76°Slight Chance Rain Showers24%10 mph
  3. 6 PM75°Slight Chance Rain Showers24%10 mph
  4. 7 PM73°Mostly Cloudy7%10 mph
  5. 8 PM71°Mostly Cloudy7%10 mph
  6. 9 PM71°Mostly Cloudy7%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in San Antonio, TX 78234?
The National Weather Service forecast for this afternoon calls for a high near 77°F. Slight Chance Rain Showers.
Will it rain in San Antonio, TX 78234 in the next 24 hours?
The hourly forecast shows a 63% chance of precipitation around 10/30/2026, 1:00 PM CDT.
What is the 10-day forecast for San Antonio, TX 78234?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 77°F to 79°F and up to a 38% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in San Antonio, TX 78234 today?
Sunrise is about 7:44 AM CDT and sunset is about 6:49 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in San Antonio, TX 78234?
At San Antonio Incarnate Word, the 1991 to 2020 normal high in October is 82°F and the normal low is 59°F.

Nearby hazards

Texas hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (San Antonio)
GoodOzone
AQI forecast tomorrow (San Antonio)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Bexar County, week of 10/27/2026

80% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:44 AM
Sunset
6:49 PM
Daylight
11 hr 5 min
Moon
Waning Gibbous 85% lit
First light (civil dawn)
7:20 AM
Last light (civil dusk)
7:14 PM
Moonrise
9:43 PM
Moonset
11:37 AM

Normal October weather

Climate

Normal October high 82°, low 59°, precipitation 3.93 in for the month. 1991 to 2020 normals at San Antonio Incarnate Word, 3 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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