Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 247.0ft.NA
79°F
26°C
| Humidity | 60% |
| Wind Speed | W 5 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | NA |
| Heat Index | 81°F (27°C) |
| Last update | 03 Aug 12:38 PM PDT |
Extended Forecast for
Fullerton CA
This Afternoon
High: 87 °F
Haze
Tonight
Low: 65 °F
Haze then
Patchy FogMonday
High: 87 °F
Patchy Fog
then SunnyMonday Night
Low: 65 °F
Patchy Fog
Tuesday
High: 88 °F
Patchy Fog
then SunnyTuesday Night
Low: 66 °F
Patchy Fog
Wednesday
High: 90 °F
Patchy Fog
then SunnyWednesday Night
Low: 67 °F
Patchy Fog
Thursday
High: 92 °F
Patchy Fog
then Sunny
Detailed Forecast
This Afternoon
Widespread haze. Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Tonight
Widespread haze before 11pm. Patchy fog after 2am. Otherwise, mostly clear, with a low around 65. West wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 90.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 92.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67.
Friday
Patchy fog. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 89.
Friday Night
Patchy fog. Otherwise, increasing clouds, with a low around 66.
Saturday
Patchy fog. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 85.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
8:47 am PDT Aug 3, 2025
1pm PDT Aug 3, 2025-6pm PDT Aug 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
