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      Extreme Heat Warning
      until 8:00 PM PDT
      +1 more alert
      Elev 48 ft, 33.751 °N 117.828 °W

      Tustin, CA

      Tustin Station104°
      Updated: 11:46 AM PDT on September 9, 2026 (GMT -7)
      14 seconds ago
      105°
      76°
      104
      Feels Like 117
      Sunny
      N
      5
      Higher 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
        Thu 09/10
        High 105°f
         0% Precip. / 0 in
        Sunshine and a few afternoon clouds. Hot. High around 105F. Winds WSW at 5 to 10 mph.
        Tonight
        Thu 09/10
        Low 76°f
         4% Precip. / 0 in
        Partly cloudy skies. Low 76F. Winds light and variable.
        Tomorrow
        Fri 09/11
        High 94°f73°f
         5% Precip. / 0 in
        Sun and a few passing clouds. Hot. High 94F. Winds SSW at 5 to 10 mph.
        Hourly Forecast
        Now
        103°
        12PM
        102°
        1PM
        104°
        2PM
        104°
        3PM
        100°
        4PM
        100°
        5PM
        99°
        6PM
        96°
        7PM
        92°
        7:05PM
        Sunset
        8PM
        89°
        9PM
        87°
        10PM
        85°
        11PM
        83°
        12AM
        82°
        1AM
        81°
        2AM
        80°
        3AM
        79°
        4AM
        78°
        5AM
        78°
        6AM
        77°
        6:31AM
        Sunrise
        7AM
        77°
        8AM
        80°
        9AM
        83°
        10AM
        86°
        11AM
        89°
        Precipitation
        5%
        Pollen
        None
        Air Quality
        36
        Good
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point65°F
        5. Humidity 29%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSNA Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 105°F 85°F 102°F 2024
        4. Low 76°F 65°F 39°F 1917
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 94°F 85°F 100°F
        4. Low 76°F 65°F 46°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:30 AM 7:05 PM
        3. Civil Twilight 6:05 AM 7:30 PM
        4. Nautical Twilight 5:35 AM 8:00PM
        5. Astronomical Twilight 5:05 AM 8:30 PM
        1. Length of Visible Light 13h 25m
        2. Length of Day 12h 35m
        3. Tomorrow will be 2 minutes 4 seconds shorter
        1. Moon 4:52 AM 6:21 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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