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San Antonio, TX 78237 Weather
Tonight: Slight Chance Rain Showers then Patchy Fog, low 65°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
San Antonio, TX 78237 current weather
No recent observation or forecast for this location right now. Please check again in a few minutes.
10-day forecast
Tap a day for details
Today10/3016% chance of precipitationLow 65°High
Tonight: A slight chance of rain showers before 10pm, then patchy fog and a slight chance of rain showers between 1am and 4am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Slight Chance Rain Showers then Patchy FogSat10/3113% chance of precipitationLow 68°High 79°
Saturday: Partly sunny, with a high near 79. Northeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: Partly cloudy, with a low around 68. Northeast wind 0 to 5 mph.
Partly SunnySun11/1Low 70°High 82°
Sunday: Mostly cloudy, with a high near 82. East wind around 5 mph.
Sunday Night: Mostly cloudy, with a low around 70. Southeast wind 0 to 5 mph.
Mostly CloudyMon11/242% chance of precipitationLow 70°High 84°
Monday: Partly sunny, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night: A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70. South southeast wind around 5 mph. Chance of precipitation is 40%.
Partly SunnyTue11/331% chance of precipitationLow 59°High 79°
Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night: Mostly clear, with a low around 59. North northwest wind around 5 mph.
Chance Showers And ThunderstormsWed11/4Low 58°High 78°
Wednesday: Sunny, with a high near 78.
Wednesday Night: Mostly clear, with a low around 58.
SunnyThu11/510% chance of precipitationLow 57°High 78°
Thursday: Sunny, with a high near 78.
Thursday Night: Mostly clear, with a low around 57.
SunnyFri11/6Low High 78°
Friday: Sunny, with a high near 78.
SunnySat11/7Model blend36% chance of precipitationLow 59°High 79°
Saturday: Partly cloudy, slight chance of rain. High near 79°. Low that night near 59°. About 0.27 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 blend48% chance of precipitationLow 54°High 75°
Sunday: Chance of rain. High near 75°. Low that night near 54°. About 1.18 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 29.421, -98.569 from the NWS EWX office, updated 10/30/2026, 5:42 PM PT · Official forecast on weather.gov
Days 9 to 10: NOAA National Blend of Models, station KSKF (Lackland AFB/Kelly Fld, 2 mi), model run 10/30/2026, 3:00 PM CDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the 10-day forecast for San Antonio, TX 78237?
- The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 7 to Nov 8) come from the NOAA National Blend of Models, with highs of 75°F to 79°F and up to a 48% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in San Antonio, TX 78237 today?
- Sunrise is about 7:46 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 78237?
- At San Antonio Kelly AFB, the 1991 to 2020 normal high in October is 84°F and the normal low is 60°F.
Nearby hazards
Texas hazardsSevere 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 tomorrow (San Antonio)
- GoodOzone
- AQI forecast tomorrow (San Antonio)
- GoodOzone
Drought
By countyBexar 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
- 7:46 AM
- Sunset
- 6:49 PM
- Daylight
- 11 hr 3 min
- Moon
- Waning Gibbous 75% lit
- First light (civil dawn)
- 7:21 AM
- Last light (civil dusk)
- 7:14 PM
- Moonrise
- 10:52 PM
- Moonset
- 12:40 PM
Normal October weather
ClimateNormal October high 84°, low 60°. 1991 to 2020 normals at San Antonio Kelly AFB, 3 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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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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