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 Station84°
      Updated: 8:19 PM PDT on October 4, 2026 (GMT -7)
      1 minute ago
      100°
      76°
      84
      Feels Like 83
      Clear
      N
      2
      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 75°f
         0% Precip. / 0 in
        Clear skies. Low around 75F. Winds light and variable.
        Tomorrow
        Tue 10/06
        High 101°f
         0% Precip. / 0 in
        Plentiful sunshine. Hot. High 101F. E winds shifting to W at 10 to 15 mph.
        Tomorrow night
        Tue 10/06
        Low 72°f
         0% Precip. / 0 in
        Clear. Low 72F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        85°
        9PM
        84°
        10PM
        82°
        11PM
        80°
        12AM
        79°
        1AM
        78°
        2AM
        77°
        3AM
        77°
        4AM
        76°
        5AM
        76°
        6AM
        76°
        6:48AM
        Sunrise
        7AM
        77°
        8AM
        81°
        9AM
        88°
        10AM
        93°
        11AM
        97°
        12PM
        99°
        1PM
        99°
        2PM
        99°
        3PM
        99°
        4PM
        98°
        5PM
        96°
        6PM
        93°
        6:29PM
        Sunset
        7PM
        90°
        8PM
        87°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        61
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point52°F
        5. Humidity 32%
        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 100°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 101°F 85°F 104°F
        4. Low 75°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