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San Antonio, TX 78240 Weather

It is 66°F and light drizzle and fog/mist in San Antonio, TX 78240, observed at 5:20 AM CDT. Today: Patchy Drizzle then Mostly Cloudy, high 78°F, low 64°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

San Antonio, TX 78240 current weather

66°F

Light Drizzle and Fog/Mist

H 78° / L 64°Feels like 66°

Observed at San Antonio, San Antonio International Airport (9.2 mi away), 10/31/2026, 5:20 AM CDT

Hourly forecast

NWS, updated 10/31/2026, 3:32 AM PT

  1. Now65°13%
  2. 6 AM65°13%
  3. 7 AM65°
  4. 8 AM66°
  5. 9 AM66°
  6. 10 AM69°
  7. 11 AM72°
  8. 12 PM74°
  9. 1 PM75°
  10. 2 PM76°
  11. 3 PM77°
  12. 4 PM78°
  13. 5 PM78°
  14. 6 PM77°
  15. 7 PM75°
  16. 8 PM74°
  17. 9 PM72°
  18. 10 PM71°
  19. 11 PM70°
  20. 12 AM70°Sun
  21. 1 AM69°
  22. 1 AM69°
  23. 2 AM68°
  24. 3 AM67°
  25. 4 AM67°
  26. 5 AM66°
  27. 6 AM65°
  28. 7 AM66°
  29. 8 AM67°
  30. 9 AM71°
  31. 10 AM74°
  32. 11 AM76°
  33. 12 PM77°
  34. 1 PM79°
  35. 2 PM80°
  36. 3 PM80°
  37. 4 PM81°
  38. 5 PM79°
  39. 6 PM77°
  40. 7 PM76°
  41. 8 PM75°
  42. 9 PM73°
  43. 10 PM72°
  44. 11 PM72°
  45. 12 AM71°Mon
  46. 1 AM70°
  47. 2 AM69°
  48. 3 AM68°

10-day forecast

Tap a day for details

  • Today10/3113% chance of precipitationLow 64°High 78°

    Saturday: Patchy drizzle and patchy fog before 10am. Mostly cloudy, with a high near 78. Northeast wind 0 to 5 mph.

    Overnight: Patchy drizzle and patchy fog. Cloudy, with a low around 64. Northeast wind around 5 mph.

    Patchy Drizzle then Mostly Cloudy
  • Sun11/1Low 67°High 81°

    Sunday: Partly sunny, with a high near 81. East wind around 5 mph.

    Sunday Night: Mostly cloudy, with a low around 67. Southeast wind 0 to 5 mph.

    Partly Sunny
  • Mon11/254% chance of precipitationLow 69°High 83°

    Monday: Partly sunny, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Monday Night: A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 50%.

    Partly Sunny
  • Tue11/340% chance of precipitationLow 56°High 77°

    Tuesday: A chance of showers and thunderstorms before noon. Mostly sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Tuesday Night: Clear, with a low around 56. North northwest wind around 5 mph.

    Chance Showers And Thunderstorms then Mostly Sunny
  • Wed11/4Low 56°High 75°

    Wednesday: Sunny, with a high near 75.

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

    Sunny
  • Thu11/5Low 55°High 79°

    Thursday: Sunny, with a high near 79.

    Thursday Night: Mostly clear, with a low around 55.

    Sunny
  • Fri11/6Low High 77°

    Friday: Sunny, with a high near 77.

    Sunny
  • Sat11/7Model blend39% chance of precipitationLow 57°High 77°

    Saturday: Partly cloudy, slight chance of rain. High near 77°. Low that night near 57°. About 0.86 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.

  • Sun11/8Model blend33% chance of precipitationLow 52°High 75°

    Sunday: Chance of rain. High near 75°. Low that night near 52°. About 0.17 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.

  • Mon11/9Model blendLow 51°High 75°

    Monday: Partly cloudy. High near 75°. Low that night near 51°.

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

Forecast for 29.517, -98.615 from the NWS EWX office, updated 10/31/2026, 3:32 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSAT (San Antonio Intl, 8 mi), model run 10/31/2026, 3:00 AM 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. Now65°Patchy Drizzle13%5 mph
  2. 6 AM65°Patchy Drizzle13%5 mph
  3. 7 AM65°Patchy Fog7%5 mph
  4. 8 AM66°Patchy Fog7%5 mph
  5. 9 AM66°Patchy Fog7%5 mph
  6. 10 AM69°Mostly Cloudy3%5 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 weather in San Antonio, TX 78240 right now?
The latest observation from San Antonio, San Antonio International Airport was 66°F and light drizzle and fog/mist, reported at 10/31/2026, 5:20 AM CDT.
What is the high temperature today in San Antonio, TX 78240?
The National Weather Service forecast for saturday calls for a high near 78°F. Patchy Drizzle then Mostly Cloudy.
Will it rain in San Antonio, TX 78240 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for San Antonio, TX 78240?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 75°F to 77°F and up to a 39% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in San Antonio, TX 78240 today?
Sunrise is about 7:47 AM CDT and sunset is about 6:48 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in San Antonio, TX 78240?
At San Antonio/Seaworld, the 1991 to 2020 normal high in October is 85°F and the normal low is 62°F.

Nearby hazards

Texas hazards

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

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook 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)
GoodOzone

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
7:47 AM
Sunset
6:48 PM
Daylight
11 hr 2 min
Moon
Waning Gibbous 71% lit
First light (civil dawn)
7:22 AM
Last light (civil dusk)
7:13 PM
Moonrise
None today
Moonset
1:35 PM

Normal October weather

Climate

Normal October high 85°, low 62°, precipitation 3.81 in for the month. 1991 to 2020 normals at San Antonio/Seaworld, 7 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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