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      Heat Advisory
      until 7:00 PM CDT
      Elev 204 ft, 29.434 °N 98.495 °W

      San Antonio, TX

      Downtown Station
      Updated: 12:03 PM CDT on August 20, 2026 (GMT -5)
      6 minutes ago
      103°
      76°
      98
      Feels Like 109
      Sunny
      N
      6
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Fri 08/21
      High 103°f
      1% Precip. / 0 in
      Mostly sunny. Hot. High 103F. Winds SE at 5 to 10 mph.
      Tonight
      Fri 08/21
      Low 78°f
      6% Precip. / 0 in
      Clear to partly cloudy. Low 78F. Winds SE at 10 to 20 mph.
      Tomorrow
      Sat 08/22
      High 103°f76°f
      6% Precip. / 0 in
      Except for a few afternoon clouds, mainly sunny. Very hot. High 103F. Winds SSE at 5 to 10 mph.
      Hourly Forecast
      Now
      94°
      1PM
      96°
      2PM
      98°
      3PM
      100°
      4PM
      100°
      5PM
      101°
      6PM
      101°
      7PM
      100°
      8PM
      97°
      8:09PM
      Sunset
      9PM
      94°
      10PM
      91°
      11PM
      88°
      12AM
      86°
      1AM
      84°
      2AM
      82°
      3AM
      81°
      4AM
      80°
      5AM
      80°
      6AM
      79°
      7AM
      79°
      7:05AM
      Sunrise
      8AM
      80°
      9AM
      83°
      10AM
      86°
      11AM
      89°
      12PM
      92°
      Precipitation
      6%
      Pollen
      None
      Air Quality
      53
      Moderate
      UV Index
      9
      Very High
      Additional Conditions
      1. Pressure 29.98 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point71°F
      5. Humidity 48%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KSKF Station History
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 103°F 96°F 107°F 1909
      4. Low 76°F 75°F 65°F 1940
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 103°F 96°F 108°F
      4. Low 76°F 75°F 64°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:05 AM 8:09 PM
      3. Civil Twilight 6:40 AM 8:33 PM
      4. Nautical Twilight 6:11 AM 9:03PM
      5. Astronomical Twilight 5:40 AM 9:33 PM
      1. Length of Visible Light 13h 53m
      2. Length of Day 13h 4m
      3. Tomorrow will be 1 minute 36 seconds shorter
      1. Moon 2:53 PM 12:17 AM
      2. Waxing Gibbous56% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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