Skip to content

Checked

San Antonio, TX 78209 Weather

It is 66°F and fog/mist in San Antonio, TX 78209, observed at 3:45 AM CDT. Today: Patchy Drizzle then Mostly Cloudy, high 79°F, low 65°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

San Antonio, TX 78209 current weather

66°F

Fog/Mist

H 79° / L 65°Feels like 66°

About the same as yesterday at this time

  • No rain expected in the next 12 hours

Observed at San Antonio, San Antonio International Airport (3.3 mi away), 10/31/2026, 3:45 AM CDT

Hourly forecast

NWS, updated 10/31/2026, 12:46 AM PT

  1. Now66°12%
  2. 5 AM66°12%
  3. 6 AM66°12%
  4. 7 AM66°
  5. 8 AM66°
  6. 9 AM67°
  7. 10 AM71°
  8. 11 AM74°
  9. 12 PM75°
  10. 1 PM76°
  11. 2 PM78°
  12. 3 PM78°
  13. 4 PM79°
  14. 5 PM79°
  15. 6 PM78°
  16. 7 PM76°
  17. 8 PM75°
  18. 9 PM73°
  19. 10 PM73°
  20. 11 PM72°
  21. 12 AM70°Sun
  22. 1 AM69°
  23. 1 AM69°
  24. 2 AM68°
  25. 3 AM68°
  26. 4 AM68°
  27. 5 AM67°
  28. 6 AM66°
  29. 7 AM67°
  30. 8 AM69°
  31. 9 AM72°
  32. 10 AM75°
  33. 11 AM78°
  34. 12 PM79°
  35. 1 PM80°
  36. 2 PM81°
  37. 3 PM82°
  38. 4 PM81°
  39. 5 PM80°
  40. 6 PM78°
  41. 7 PM75°
  42. 8 PM74°
  43. 9 PM73°
  44. 10 PM72°
  45. 11 PM72°
  46. 12 AM71°Mon
  47. 1 AM70°
  48. 2 AM69°

10-day forecast

Tap a day for details

  • Today10/3112% chance of precipitationLow 65°High 79°

    Saturday: Patchy drizzle and patchy fog before 10am. Mostly cloudy, with a high near 79. Northeast wind 0 to 5 mph.

    Overnight: Patchy drizzle and patchy fog. Cloudy, with a low around 65. Northeast wind around 5 mph.

    Patchy Drizzle then Mostly Cloudy
  • Sun11/1Low 67°High 82°

    Sunday: Partly sunny, with a high near 82. East wind around 5 mph.

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

    Partly Sunny
  • Mon11/249% chance of precipitationLow 68°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. Mostly cloudy, with a low around 68. South wind 5 to 10 mph. Chance of precipitation is 50%.

    Partly Sunny
  • Tue11/349% chance of precipitationLow 57°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 50%.

    Tuesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph.

    Chance Showers And Thunderstorms then Mostly Sunny
  • Wed11/4Low 56°High 76°

    Wednesday: Sunny, with a high near 76.

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

    Sunny
  • Thu11/5Low 56°High 79°

    Thursday: Sunny, with a high near 79.

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

    Sunny
  • Fri11/6Low High 77°

    Friday: Sunny, with a high near 77.

    Sunny
  • Sat11/7Model blend31% chance of precipitationLow 57°High 77°

    Saturday: Partly cloudy, slight chance of rain. High near 77°. Low that night near 57°. About 0.20 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 blend36% chance of precipitationLow 54°High 75°

    Sunday: Chance of rain. High near 75°. Low that night near 54°. About 0.43 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 54°High 75°

    Monday: Partly cloudy. High near 75°. Low that night near 54°.

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

Forecast for 29.485, -98.455 from the NWS EWX office, updated 10/31/2026, 12:46 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSAT (San Antonio Intl, 4 mi), model run 10/30/2026, 9:00 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. Now66°Patchy Drizzle12%5 mph
  2. 5 AM66°Patchy Drizzle12%5 mph
  3. 6 AM66°Patchy Drizzle12%5 mph
  4. 7 AM66°Patchy Fog6%5 mph
  5. 8 AM66°Patchy Fog6%5 mph
  6. 9 AM67°Patchy Fog6%5 mph

Hourly details

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

Observed today

Since midnight, vs yesterday and normal

Today's high so far is 9° below the normal of 76° and 1° cooler than yesterday's high.

High so far
67°
9° below normal
Low so far
66°
Normal low 54°
Precipitation
0.00 in
Since midnight
Yesterday
High 68° · Low 64° · Precip 0.88 in
Normal for today
High 76° · Low 54°

Observed at San Antonio, San Antonio International Airport (KSAT) since midnight local time, through 3:40 AM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at San Antonio Incarnate Word.

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in San Antonio, TX 78209 right now?
The latest observation from San Antonio, San Antonio International Airport was 66°F and fog/mist, reported at 10/31/2026, 3:45 AM CDT.
What is the high temperature today in San Antonio, TX 78209?
The National Weather Service forecast for saturday calls for a high near 79°F. Patchy Drizzle then Mostly Cloudy.
Will it rain in San Antonio, TX 78209 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 78209?
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 36% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in San Antonio, TX 78209 today?
Sunrise is about 7:46 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 78209?
At San Antonio Incarnate Word, the 1991 to 2020 normal high in October is 82°F and the normal low is 59°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.05 in
Snow
0.00 in
Ice
0.00 in

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
7:46 AM
Sunset
6:48 PM
Daylight
11 hr 2 min
Moon
Waning Gibbous 72% lit
First light (civil dawn)
7:21 AM
Last light (civil dusk)
7:12 PM
Moonrise
None today
Moonset
1:34 PM

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, 1 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

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.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer