Hazardous Weather Conditions
Current conditions at
Fullerton, Fullerton Municipal Airport (KFUL)
Lat: 33.87194°NLon: 117.98472°WElev: 95.0ft.
Clear
93°F
34°C
| Humidity | 36% |
| Wind Speed | SW 8 MPH |
| Barometer | 29.85 in (1010.84 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 94°F (34°C) |
| Last update | 10 Sep 02:05 PM PDT |
Extended Forecast for
Fullerton Municipal CA
Extreme Heat Warning September 10, 02:23pm until September 10, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
This Afternoon
High: 99 °F
Sunny
Tonight
Low: 72 °F
Clear
Friday
High: 92 °F
Sunny
Friday Night
Low: 70 °F
Partly Cloudy
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny, with a high near 99. Southwest wind around 10 mph.
Tonight
Clear, with a low around 72. South wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 92. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Saturday
Sunny, with a high near 87. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Fullerton Municipal CA
33.86°N 117.99°W (Elev. 69 ft)
33.86°N 117.99°W (Elev. 69 ft)
11:17 am PDT Sep 10, 2026
2pm PDT Sep 10, 2026-6pm PDT Sep 16, 2026
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