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

Hazardous Weather Conditions

Current conditions at

Fallbrook Community Airpark (KL18)

Lat: 33.3542°NLon: 117.2509°WElev: 708.0ft.

Clear

90°F

32°C

Humidity 24%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 20 Mar 11:35 AM PDT
Extended Forecast for

Fallbrook CA

Heat Advisory March 20, 11:47am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 11:47am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fallbrook CA
 33.35°N 117.25°W (Elev. 597 ft)
Last Update:
11:33 am PDT Mar 20, 2026
Forecast Valid:
11am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation