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      Heat Advisory
      until 8:00 PM PDT
      +1 more alert
      Elev 72 ft, 33.657 °N 117.940 °W

      Costa Mesa, CA

      Southeast Station89°
      Updated: 4:41 PM PDT on October 16, 2026 (GMT -7)
      5 minutes ago
      98°
      70°
      89
      Feels Like 87
      Sunny
      N
      13
      Gusts 22 mph
      Lower temperature is expected tomorrow
      Wundermap

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       Wundermap
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      0 mph
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sat 10/17
        Low 74°f
         0% Precip. / 0 in
        Mostly clear. Low 74F. Winds NE at 10 to 15 mph.
        Tomorrow
        Sun 10/18
        High 87°f
         0% Precip. / 0 in
        Partly cloudy skies. High 87F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Sun 10/18
        Low 66°f
         1% Precip. / 0 in
        Partly cloudy. Low 66F. Winds light and variable.
        Hourly Forecast
        Now
        92°
        5PM
        92°
        6PM
        90°
        6:16PM
        Sunset
        7PM
        87°
        8PM
        86°
        9PM
        85°
        10PM
        84°
        11PM
        83°
        12AM
        81°
        1AM
        81°
        2AM
        79°
        3AM
        79°
        4AM
        77°
        5AM
        77°
        6AM
        76°
        6:58AM
        Sunrise
        7AM
        75°
        8AM
        76°
        9AM
        80°
        10AM
        84°
        11AM
        85°
        12PM
        86°
        1PM
        86°
        2PM
        85°
        3PM
        85°
        4PM
        84°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        33
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point41°F
        5. Humidity 17%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSNA Station History
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 73°F 88°F 1958
        4. Low 70°F 60°F 44°F 1924
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 73°F 86°F
        4. Low 71°F 60°F 48°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 6:16 PM
        3. Civil Twilight 6:32 AM 6:41 PM
        4. Nautical Twilight 6:03 AM 7:10PM
        5. Astronomical Twilight 5:34 AM 7:39 PM
        1. Length of Visible Light 12h 9m
        2. Length of Day 11h 19m
        3. Tomorrow will be 2 minutes shorter
        1. Moon 12:47 PM 10:25 PM
        2. Waxing Crescent32% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 8
        New Moon
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