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      Heat Advisory
      until 7:00 PM CDT
      Elev 689 ft, 29.425 °N 98.446 °W

      San Antonio, TX

      Martindale Army Heliport Station81°
      Updated: 3:17 AM CDT on September 13, 2026 (GMT -5)
      6 minutes ago
      98°
      79°
      81
      Feels Like 87
      Partly Cloudy
      N
      5
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Mon 09/14
        High 98°f
         20% Precip. / 0 in
        A mix of clouds and sun. A stray shower or thunderstorm is possible. High 98F. Winds SSE at 10 to 15 mph.
        Tonight
        Mon 09/14
        Low 78°f
         7% Precip. / 0 in
        A few clouds. Low 78F. Winds SE at 10 to 20 mph.
        Tomorrow
        Tue 09/15
        High 100°f78°f
         9% Precip. / 0 in
        Partly cloudy. Near record high temperatures. High near 100F. Winds SSE at 10 to 15 mph.
        Hourly Forecast
        Now
        80°
        4AM
        80°
        5AM
        80°
        6AM
        80°
        7AM
        80°
        7:17AM
        Sunrise
        8AM
        80°
        9AM
        83°
        10AM
        85°
        11AM
        88°
        12PM
        91°
        1PM
        94°
        2PM
        96°
        3PM
        97°
        4PM
        97°
        5PM
        97°
        6PM
        96°
        7PM
        94°
        7:40PM
        Sunset
        8PM
        91°
        9PM
        88°
        10PM
        86°
        11PM
        84°
        12AM
        82°
        1AM
        81°
        2AM
        81°
        3AM
        81°
        Precipitation
        20%
        Pollen
        None
        Air Quality
        41
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point75°F
        5. Humidity 84%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMDA Station History
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 91°F 100°F 2011
        4. Low 79°F 70°F 55°F 1892
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 90°F 99°F
        4. Low 79°F 70°F 52°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:17 AM 7:41 PM
        3. Civil Twilight 6:53 AM 8:04 PM
        4. Nautical Twilight 6:25 AM 8:32PM
        5. Astronomical Twilight 5:57 AM 9:01 PM
        1. Length of Visible Light 13h 11m
        2. Length of Day 12h 23m
        3. Tomorrow will be 1 minute 44 seconds shorter
        1. Moon 9:44 AM 9:02 PM
        2. Waxing Crescent7% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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