Hazardous Weather Conditions
Current conditions at
Fullerton, Fullerton Municipal Airport (KFUL)
Lat: 33.87194°NLon: 117.98472°WElev: 95.0ft.
Clear
77°F
25°C
| Humidity | 48% |
| Wind Speed | N 0 MPH |
| Barometer | 29.82 in (1009.82 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 04 Oct 01:53 AM PDT |
Extended Forecast for
Fullerton Municipal CA
Extreme Heat Warning October 4, 02:07am until October 8, 08:00pm
NOW until 8:00pm Thu

Extreme Heat Warning
Overnight

Low: 78 °F
Clear
Sunday

High: 101 °F
Sunny
Sunday Night

Low: 76 °F
Mostly Clear
Monday

High: 102 °F
Sunny
Monday Night

Low: 74 °F
Mostly Clear
Tuesday

High: 100 °F
Sunny
Tuesday Night

Low: 73 °F
Clear
Wednesday

High: 96 °F
Sunny
Detailed Forecast
Overnight
Clear, with a low around 78. Calm wind becoming northeast around 5 mph.
Sunday
Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 100.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT 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)
12:28 am PDT Oct 4, 2026
2am PDT Oct 4, 2026-6pm PDT Oct 10, 2026



