 |
 Current Fullerton Weather Conditions |
Updated December 25th at 3:53 pm |
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| Mostly Clear |
| Temperature: | 64°F |
Dew Point: | 54°F |
| Barometer: | 30.06 inHg |
Wind: | N 9 Mph |
| Humidity: | 67.9% |
Visibility: | 0M |
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| Fullerton Weather Forecast Summary |
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Today
Dec 25th
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Friday
Dec 26th
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Saturday
Dec 27th
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Sunday
Dec 28th
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Monday
Dec 29th
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Showers |
Showers |
Mostly Sunny |
Cloudy |
Mix of Cloud and Sun |
63°F
|
57°F
53°F |
57°F
50°F |
67°F
50°F |
70°F
53°F |
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| Fullerton Detailed Weather Forecast |
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| Thursday, December 25th, 2025 |
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Evening |
Temperature: 58°F |
| Cloudy with a chance of showers. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: 56°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 56°F |
| Cloudy with showers. |
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Afternoon |
Temperature: 56°F |
| Cloudy with a few showers. |
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Evening |
Temperature: 53°F |
| Cloudy with a few showers. |
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| Saturday, December 27th, 2025 |
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Overnight |
Temperature: 50°F |
| Clear with a chance of showers. |
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Morning |
Temperature: 56°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 56°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 52°F |
| Clear. |
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| Sunday, December 28th, 2025 |
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Overnight |
Temperature: 50°F |
| Clear. |
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Morning |
Temperature: 62°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 62°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy. |
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| Monday, December 29th, 2025 |
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Overnight |
Temperature: 54°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 66°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 64°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 57°F |
| A mix of cloudy and clear skies. |
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| Tuesday, December 30th, 2025 |
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Overnight |
Temperature: 54°F |
| Cloudy. |
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Morning |
Temperature: 67°F |
| Cloudy. |
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Afternoon |
Temperature: 66°F |
| Cloudy. |
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Evening |
Temperature: 59°F |
| Cloudy. |
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| Wednesday, December 31st, 2025 |
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Overnight |
Temperature: 56°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 69°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 68°F |
| Cloudy. |
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Evening |
Temperature: 61°F |
| Cloudy. |
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| Thursday, January 1st, 2026 |
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Overnight |
Temperature: 60°F |
| Cloudy. |
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Morning |
Temperature: 62°F |
| Cloudy. |
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Afternoon |
Temperature: 58°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 55°F |
| Cloudy with a chance of showers. |
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| Friday, January 2nd, 2026 |
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Overnight |
Temperature: 57°F |
| Cloudy. |
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Morning |
Temperature: 63°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 64°F |
| Cloudy. |
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Evening |
Temperature: 61°F |
| A mix of cloudy and clear skies. |
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