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San Antonio, Texas · now

66°

Clear

High / Low
90° / 67°
Wind
0 mph N
Humidity
87%

Tomorrow· Thursday91°/69°· Sunny

warmer than yesterday at this time

No precipitation expected in the next 1.6 hours.

Current weather and 7-day forecast for San Antonio, Texas, sourced directly from the National Weather Service. Expect sunny today. Today's high is 90° with a low near 67°. 1 active weather alert in effect.

What to wear today

Loose, light, and water nearby

90°F — wear breathable fabrics and stay hydrated.

Temperature · next 24 hours

60° 80° 95° 90° 66° 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM

Next 24 hours

  1. 6 AM

    66°

    0%

  2. 8 AM

    68°

    0%

  3. 10 AM

    78°

    0%

  4. 12 PM

    83°

    0%

  5. 2 PM

    87°

    0%

  6. 4 PM

    89°

    0%

  7. 6 PM

    90°

    0%

  8. 8 PM

    87°

    0%

  9. 10 PM

    79°

    0%

  10. 12 AM

    75°

    0%

  11. 2 AM

    72°

    0%

  12. 4 AM

    69°

    0%

Live radar

View full radar →

7 days

  1. Today 5/13 Sunny 0% 90° · 67°
  2. Thu 5/14 Sunny 0% 91° · 69°
  3. Fri 5/15 Mostly Sunny 0% 92° · 72°
  4. Sat 5/16 Partly Sunny 2% 92° · 76°
  5. Sun 5/17 Mostly Cloudy 19% 91° · 78°
  6. Mon 5/18 Chance Showers And Thunderstorms 44% 89° · 77°
  7. Tue 5/19 Chance Showers And Thunderstorms 47% 88° · 75°
Extended outlook days 8–16
  1. Wed 5/20 Drizzle 46% 85° · 74°
  2. Thu 5/21 Drizzle 28% 89° · 72°
  3. Fri 5/22 Cloudy 17% 92° · 70°
  4. Sat 5/23 Drizzle 12% 86° · 70°
  5. Sun 5/24 Rain Showers 24% 88° · 72°
  6. Mon 5/25 Rain Showers 36% 76° · 69°
  7. Tue 5/26 Drizzle 36% 85° · 68°
  8. Wed 5/27 Drizzle 19% 86° · 71°
  9. Thu 5/28 Drizzle 22% 83° · 70°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • Run7 AM

    warm at 66°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent98 / 100
  • Bike7 AM

    comfortable at 66°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf7 AM

    comfortable at 66°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic8 AM

    comfortable at 68°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100

Climate normals

What weather to expect in San Antonio

San Antonio in May typically averages 89° highs and 69° lows, with about 19 days of rain. The hottest stretch is August (average high 97°); the coldest is January (average low 43°). April is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan62°43°9
Feb71°50°6
Mar81°58°11
Apr82°64°22
May89°69°19
Jun94°75°22
Jul93°75°17
Aug97°78°12
Sep92°73°9
Oct89°67°7
Nov77°57°10
Dec69°52°13

Normals derived from the past two years of observations via Open-Meteo's historical archive.

Forecast details

NWS gridpoint
EWX 126,54
Radar station
KEWX
Time zone
America/Chicago
Coordinates
29.424, -98.494