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      Extreme Heat Warning
      until 8:00 PM PDT
      +1 more alert
      Elev 26 ft, 33.801 °N 118.076 °W

      Los Alamitos, CA

      Los Alamitos Station103°
      Updated: 12:45 PM PDT on September 9, 2026 (GMT -7)
      3 minutes ago
      105°
      74°
      103
      Feels Like 110
      Sunny
      N
      6
      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 clouds mixed. Hot. High near 105F. Winds WSW at 10 to 15 mph.
        Tonight
        Thu 09/10
        Low 74°f
         5% Precip. / 0 in
        A few clouds. Low 74F. Winds S at 5 to 10 mph.
        Tomorrow
        Fri 09/11
        High 90°f72°f
         6% Precip. / 0 in
        Intervals of clouds and sunshine. Hot. High around 90F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        103°
        1PM
        102°
        2PM
        103°
        3PM
        104°
        4PM
        100°
        5PM
        98°
        6PM
        94°
        7PM
        90°
        7:06PM
        Sunset
        8PM
        87°
        9PM
        85°
        10PM
        83°
        11PM
        82°
        12AM
        80°
        1AM
        78°
        2AM
        77°
        3AM
        77°
        4AM
        77°
        5AM
        76°
        6AM
        76°
        6:32AM
        Sunrise
        7AM
        75°
        8AM
        79°
        9AM
        82°
        10AM
        85°
        11AM
        87°
        12PM
        88°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        46
        Good
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point66°F
        5. Humidity 30%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSLI Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 105°F 84°F 103°F 2015
        4. Low 74°F 65°F 56°F 1964
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 83°F 98°F
        4. Low 74°F 65°F 58°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 7:06 PM
        3. Civil Twilight 6:06 AM 7:31 PM
        4. Nautical Twilight 5:36 AM 8:01PM
        5. Astronomical Twilight 5:06 AM 8:31 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 4:53 AM 6:23 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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