Weather forecast for: 3 Miles NNW Fullerton Municipal CA
Last Update: 11:26 am PDT Sep 12, 2026
This Afternoon: Sunny, with a high near 89. South southwest wind around 10 mph.
Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 69. Southwest wind 5 to 10 mph.
Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night: Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming south southeast after midnight.
Monday: Mostly sunny, with a high near 84. South southeast wind 5 to 10 mph.
Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66.
Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.
Tuesday Night: Mostly clear, with a low around 65.
Wednesday: Sunny, with a high near 82.
Wednesday Night: Mostly clear, with a low around 65.
Thursday: Sunny, with a high near 87.
Thursday Night: Clear, with a low around 66.
Friday: Sunny, with a high near 91.