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      Extreme Heat Warning
      until 8:00 PM PDT
      +1 more alert
      Elev 1528 ft, 33.783 °N 116.999 °W

      San Jacinto, CA

      San Jacinto Station108°
      Updated: 11:39 AM PDT on August 28, 2026 (GMT -7)
      10 minutes ago
      105°
      74°
      108
      Feels Like 117
      Sunny
      N
      6
      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
        Sat 08/29
        High 105°f
        0% Precip. / 0 in
        A good deal of sunshine. Hot. High around 105F. Winds WSW at 10 to 15 mph.
        Tonight
        Sat 08/29
        Low 71°f
        2% Precip. / 0 in
        Clear skies. Low 71F. Winds SSE at 5 to 10 mph.
        Tomorrow
        Sun 08/30
        High 102°f66°f
        0% Precip. / 0 in
        Sunny. Hot. High 102F. Winds WSW at 10 to 20 mph.
        Hourly Forecast
        Now
        105°
        12PM
        105°
        1PM
        106°
        2PM
        106°
        3PM
        102°
        4PM
        102°
        5PM
        101°
        6PM
        98°
        7PM
        94°
        7:18PM
        Sunset
        8PM
        90°
        9PM
        87°
        10PM
        85°
        11PM
        82°
        12AM
        80°
        1AM
        78°
        2AM
        77°
        3AM
        76°
        4AM
        74°
        5AM
        73°
        6AM
        72°
        6:20AM
        Sunrise
        7AM
        75°
        8AM
        80°
        9AM
        85°
        10AM
        90°
        11AM
        94°
        Precipitation
        2%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        51
        Moderate
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point55°F
        5. Humidity 19%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KHMT Station History
        Almanac for August 28, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 105°F 96°F 109°F 2009
        4. Low 74°F 64°F 52°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.7 in -
        7. Snow 0 in 0 in -
        Almanac for August 29, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 102°F 96°F 112°F
        4. Low 74°F 64°F 51°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:19 AM 7:18 PM
        3. Civil Twilight 5:53 AM 7:44 PM
        4. Nautical Twilight 5:23 AM 8:14PM
        5. Astronomical Twilight 4:51 AM 8:45 PM
        1. Length of Visible Light 13h 50m
        2. Length of Day 12h 59m
        3. Tomorrow will be 1 minute 59 seconds shorter
        1. Moon 7:38 PM 6:46 AM
        2. Waning Gibbous99% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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