My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Extreme Heat Warning
      until 8:00 PM PDT
      Elev 700 ft, 33.637 °N 117.642 °W

      Mission Viejo, CA

      Lake Mission Viejo @LMVA Station79°
      Updated: 10:48 PM PDT on October 4, 2026 (GMT -7)
      5 minutes ago
      99°
      76°
      79
      Feels Like 79
      Clear
      N
      1
      Similar temperature is expected tomorrow
      Wundermap
      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
        Tonight
        Mon 10/05
        Low 76°f
         0% Precip. / 0 in
        Clear skies. Low 76F. Winds light and variable.
        Tomorrow
        Tue 10/06
        High 100°f
         0% Precip. / 0 in
        Sunshine. Hot. High near 100F. Winds W at 5 to 10 mph.
        Tomorrow night
        Tue 10/06
        Low 72°f
         0% Precip. / 0 in
        A mostly clear sky. Low 72F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        80°
        11PM
        80°
        12AM
        79°
        1AM
        77°
        2AM
        78°
        3AM
        77°
        4AM
        77°
        5AM
        77°
        6AM
        77°
        6:48AM
        Sunrise
        7AM
        77°
        8AM
        81°
        9AM
        87°
        10AM
        93°
        11AM
        97°
        12PM
        98°
        1PM
        99°
        2PM
        99°
        3PM
        98°
        4PM
        97°
        5PM
        95°
        6PM
        93°
        6:29PM
        Sunset
        7PM
        89°
        8PM
        86°
        9PM
        85°
        10PM
        83°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        51
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.91 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point52°F
        5. Humidity 38%
        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 86°F 105°F 1987
        4. Low 76°F 58°F 40°F 1937
        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 100°F 85°F 104°F
        4. Low 76°F 57°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 6:30 PM
        3. Civil Twilight 6:22 AM 6:55 PM
        4. Nautical Twilight 5:53 AM 7:24PM
        5. Astronomical Twilight 5:24 AM 7:53 PM
        1. Length of Visible Light 12h 33m
        2. Length of Day 11h 43m
        3. Tomorrow will be 2 minutes 4 seconds shorter
        1. Moon 12:19 AM 3:09 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…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        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