National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Los Alamitos Army Airfield (KSLI)

Lat: 33.79628°NLon: 118.04179°WElev: 26.0ft.

Partly Cloudy

85°F

29°C

Humidity 33%
Wind Speed SSW 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Mar 02:55 PM PDT
Extended Forecast for

Los Alamitos CA

Heat Advisory March 18, 03:55pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 03:55pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. South wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 79.

    High: 79 °F

    Decreasing
    Clouds

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. South wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. South wind around 5 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Los Alamitos CA
 33.78°N 118.05°W (Elev. 10 ft)
Last Update:
11:12 am PDT Mar 18, 2026
Forecast Valid:
3pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation