| National Weather Service Forecast for:
3 Miles NNW Fullerton Municipal CA Issued by: National Weather Service Los Angeles/Oxnard, CA |
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| Updated: 11:26 am PDT Oct 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny and hot, with a high near 103. West southwest wind 5 to 10 mph. |
| Tonight |
Mostly clear, with a low around 68. West wind around 5 mph becoming east southeast after midnight. |
| Wednesday |
Sunny and hot, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
| Wednesday Night |
Mostly clear, with a low around 66. West southwest wind around 5 mph becoming calm in the evening. |
| Thursday |
Sunny and hot, with a high near 97. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 68. |
| Friday |
Sunny, with a high near 92. |
| Friday Night |
Mostly clear, with a low around 68. |
| Saturday |
Partly sunny, with a high near 84. |
| Saturday Night |
Partly cloudy, with a low around 66. |
| Sunday |
A slight chance of showers. Partly sunny, with a high near 78. |
| Sunday Night |
A chance of showers. Mostly cloudy, with a low around 61. |
| Columbus Day |
A chance of showers. Partly sunny, with a high near 74. |
Forecast from NOAA-NWS for 3 Miles NNW Fullerton Municipal CA.
