Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 243.01ft.NA
88°F
31°C
| Humidity | 43% |
| Wind Speed | WNW 12 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | NA |
| Heat Index | 89°F (32°C) |
| Last update | 17 Aug 05:08 PM PDT |
Extended Forecast for
Fullerton CA
Tonight
Low: 69 °F
Partly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
Tuesday Night
Low: 69 °F
Partly Cloudy
Wednesday
High: 91 °F
Mostly Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 92 °F
Mostly Sunny
Thursday Night
Low: 70 °F
Mostly Clear
Friday
High: 92 °F
Mostly Sunny
Friday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 91. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 91.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Fullerton CA
33.87°N 117.93°W (Elev. 184 ft)
33.87°N 117.93°W (Elev. 184 ft)
3:03 pm PDT Aug 17, 2026
5pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
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