Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 243.01ft.NA
68°F
20°C
| Humidity | 81% |
| Wind Speed | S 3 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | NA |
| Last update | 15 Sep 02:53 AM PDT |
Extended Forecast for
Fullerton CA
Overnight
Low: 65 °F
Mostly Cloudy
Tuesday
High: 81 °F
Becoming
SunnyTuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 80 °F
Becoming
SunnyWednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 65 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 65. East wind around 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. East wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 83.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 81.
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)
2:30 am PDT Sep 15, 2026
3am PDT Sep 15, 2026-6pm PDT Sep 21, 2026
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