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

Los Alamitos Army Airfield (KSLI)

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

Partly Cloudy

78°F

26°C

Humidity 47%
Wind Speed WNW 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Aug 07:55 PM PDT
Extended Forecast for

Cypress CASimilar City Names

  • Tonight

    Tonight: Increasing clouds, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 78 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79.

    High: 79 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming light after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cypress CASimilar City Names
 33.81°N 118.03°W (Elev. 16 ft)
Last Update:
7:43 pm PDT Aug 11, 2026
Forecast Valid:
8pm PDT Aug 11, 2026-6pm PDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation