7-Day Forecast 33.87°N 117.93°W (Text-Only)
NWS Forecast for: Fullerton CA
Issued by: National Weather Service San Diego, CA
Last Update: 1:07 pm PDT Jul 17, 2025


Tonight: A slight chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 18. Southwest wind 5 to 10 km/h. Chance of precipitation is 20%.

Friday: A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 27. Southwest wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Chance of precipitation is 20%.

Friday Night: Increasing clouds, with a low around 18. South wind 5 to 10 km/h.

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 27. Light south wind becoming southwest 10 to 15 km/h in the morning.

Saturday Night: Increasing clouds, with a low around 18. Southwest wind 5 to 10 km/h becoming southeast after midnight.

Sunday: Cloudy through mid morning, then gradual clearing, with a high near 27.

Sunday Night: Increasing clouds, with a low around 17.

Monday: Cloudy through mid morning, then gradual clearing, with a high near 27.

Monday Night: Increasing clouds, with a low around 17.

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 27.

Tuesday Night: Increasing clouds, with a low around 17.

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 28.

Wednesday Night: Partly cloudy, with a low around 17.

Thursday: Mostly sunny, with a high near 29.



Fullerton CA
 33.87°N 117.93°W (Elev. 184 m)

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