


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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