Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 243.01ft.NA
70°F
21°C
| Humidity | 82% |
| Wind Speed | NW 4 MPH |
| Barometer | 30.11 in (1019.64 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | NA |
| Last update | 15 Aug 10:53 PM PDT |
Extended Forecast for
Fullerton CA
Tonight
Low: 67 °F
Mostly Cloudy
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 68 °F
Increasing
CloudsMonday
High: 88 °F
Decreasing
CloudsMonday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 89 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 70.
Saturday
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)
12:17 pm PDT Aug 15, 2026
11pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
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