


Hazardous Weather Conditions
Current conditions at
FW0063 Fullerton CSU (F0063)
Lat: 33.8805°NLon: 117.88417°WElev: 247.0ft.NA
19°C
66°F
Humidity | 86% |
Wind Speed | WNW 0 MPH |
Barometer | 29.85 in (1010.84 mb) |
Dewpoint | 17°C (62°F) |
Visibility | NA |
Last update | 18 Jun 02:23 AM PDT |
Extended Forecast for
Fullerton CA
Heat Advisory June 18, 02:36am until June 18, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Overnight
Low: 17 °C
Mostly Clear
Wednesday
High: 32 °C
Sunny
Wednesday Night
Low: 17 °C
Increasing
CloudsJuneteenth
High: 28 °C
Patchy Fog
then SunnyThursday Night
Low: 17 °C
Increasing
CloudsFriday
High: 27 °C
Patchy Fog
then Mostly
SunnyFriday Night
Low: 16 °C
Increasing
CloudsSaturday
High: 25 °C
Becoming
Sunny
Detailed Forecast
Overnight
Mostly clear, with a low around 17. Calm wind.
Wednesday
Sunny, with a high near 32. Southwest wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Wednesday Night
Increasing clouds, with a low around 17. South wind 5 to 10 km/h.
Juneteenth
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 28. Light south wind becoming southwest 10 to 15 km/h in the morning.
Thursday Night
Increasing clouds, with a low around 17. Southwest wind 5 to 10 km/h.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 27.
Friday Night
Increasing clouds, with a low around 16.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 26.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fullerton CA
33.87°N 117.93°W (Elev. 184 m)
33.87°N 117.93°W (Elev. 184 m)
1:57 pm PDT Jun 17, 2025
2am PDT Jun 18, 2025-6pm PDT Jun 24, 2025