Weather for San Antonio, Texas
Current Weather
Five Day Weather Forecast
Thu
H: 86°F
L: 72°F
Fri
H: 89°F
L: 69°F
Sat
H: 82°F
L: 70°F
Sun
H: 86°F
L: 69°F
Mon
H: 90°F
L: 69°F
Air Quality
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 76 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:23 PM
Daylight: 13 hrs 44 mins
Moon Transit: 6:36 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:28 AM - 6:58 AM6:06 PM - 8:36 PM
Minor Periods
11:03 AM - 12:33 AM12:20 AM - 1:50 AM
Action Rating: 4 out of 5
Flood Advisory issued May 21 at 6:07AM CDT until May 21 at 8:00AM CDT by NWS Austin/San Antonio TX
Effective: Thu May 21, 2026, 6:07 AM
Expires: Thu May 21, 2026, 8:00 AM
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Medina and Uvalde. * WHEN...Until 800 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 607 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Sabinal and Concan. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 56.96 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:23 PM
Daylight: 13 hrs 44 mins
Moon Transit: 6:36 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:28 AM - 6:58 AM6:06 PM - 8:36 PM
Minor Periods
11:03 AM - 12:33 AM12:20 AM - 1:50 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.93 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 57.92 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:24 PM
Daylight: 13 hrs 45 mins
Moon Transit: 7:26 PM
Moonset: 1:31 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
5:21 AM - 7:51 AM6:56 PM - 9:26 PM
Minor Periods
12:10 AM - 1:40 PM1:01 AM - 2:31 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 56.64 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:24 PM
Daylight: 13 hrs 46 mins
Moon Transit: 8:12 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM7:42 PM - 10:12 PM
Minor Periods
1:11 PM - 2:41 PM1:36 AM - 3:06 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.37 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 63.6 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:25 PM
Daylight: 13 hrs 47 mins
Moon Transit: 8:56 PM
Moonset: 2:37 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
6:54 AM - 9:24 AM8:26 PM - 10:56 PM
Minor Periods
2:10 PM - 3:40 PM2:07 AM - 3:37 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.1 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 45.38 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:25 PM
Daylight: 13 hrs 48 mins
Moon Transit: 9:38 PM
Moonset: 3:05 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM9:08 PM - 11:38 PM
Minor Periods
3:06 PM - 4:36 PM2:35 AM - 4:05 AM
Action Rating: 2 out of 5