My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Extreme Heat Warning
      until 8:00 PM PDT
      +1 more alert
      Elev 75 ft, 33.657 °N 117.911 °W

      Costa Mesa, CA

      College Park Station95°
      Customize
      Sun 10/04
      96°
      75°
      Sunny
      0
      Mon 10/05
      97°
      74°
      Sunny
      0
      Tue 10/06
      94°
      71°
      Sunny
      0
      Wed 10/07
      90°
      70°
      Sunny
      0
      Thu 10/08
      88°
      69°
      Partly Cloudy
      0
      Fri 10/09
      84°
      68°
      AM Fog/PM Sun
      0
      Sat 10/10
      81°
      68°
      Partly Cloudy
      0
      Sun 10/11
      78°
      66°
      Partly Cloudy
      0.04
      Mon 10/12
      76°
      65°
      Partly Cloudy
      0
      Tue 10/13
      77°
      64°
      Mostly Sunny
      0
              Additional Conditions
              1. Pressure 29.83 in
              2. Visibility 10 miles
              3. Clouds Partly Cloudy
              4. Dew Point55°F
              5. Humidity 26%
              6. Rainfall 0 in
              7. Snow Depth 0 in
               KSNA Station History
              Almanac for October 4, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 99°F 73°F 93°F 1971
              4. Low 72°F 62°F 52°F 1965
              5. Rain/Snow Depth
              6. Precipitation 0 in 3 in -
              7. Snow 0 in 0 in -
              Almanac for October 5, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 97°F 73°F 94°F
              4. Low 75°F 62°F 50°F
              Astronomy
              1. Sun Rise Set
              2. Actual Time 6:48 AM 6:31 PM
              3. Civil Twilight 6:23 AM 6:56 PM
              4. Nautical Twilight 5:54 AM 7:25PM
              5. Astronomical Twilight 5:25 AM 7:54 PM
              1. Length of Visible Light 12h 33m
              2. Length of Day 11h 43m
              3. Tomorrow will be 2 minutes 3 seconds shorter
              1. Moon 12:20 AM 3:10 PM
              2. Waning Crescent41% of the Moon is Illuminated
              Oct 10
              New Moon
              Oct 18
              Waxing Half First Qtr
              Oct 25
              Full Moon
              Nov 1
              Waning Half Last Qtr
              Nearby Weather Stations
              Station Location
              Temp
              Windchill
              Heat Index
              Dew Point
              Humidity
              Wind
              Precip.
              Elev.
              Updated
              Loading nearby stations…
              Our AppsAbout UsContactCareers
              PWS NetworkWunderMap
              Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
              Level Access
              The Weather Company The Weather Channel Weather Underground Storm Radar
              © The Weather Company, LLC 2026
              Glossary