Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 247.0ft.NA
76°F
24°C
| Humidity | 27% |
| Wind Speed | SSW 1 MPH |
| Barometer | 30.01 in (1016.26 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Heat Index | 77°F (25°C) |
| Last update | 15 Jan 05:28 PM PST |
Extended Forecast for
Fullerton CA
Overnight
Low: 53 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 54 °F
Patchy Fog
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 53 °F
Patchy Fog
Sunday
High: 80 °F
Patchy Fog
then Mostly
SunnySunday Night
Low: 53 °F
Partly Cloudy
M.L.King Day
High: 78 °F
Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Calm wind.
Saturday
Mostly sunny, with a high near 81. East wind 5 to 10 mph.
Saturday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm after midnight.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 53.
M.L.King Day
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 50.
Thursday
Patchy fog. Otherwise, partly sunny, with a high near 68.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Fullerton CA
33.89°N 117.94°W (Elev. 197 ft)
33.89°N 117.94°W (Elev. 197 ft)
12:50 am PST Jan 16, 2026
2am PST Jan 16, 2026-6pm PST Jan 22, 2026
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