 |
 Current Fullerton Weather Conditions |
Updated December 21st at 8:53 am |
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| Temperature: | 57°F |
Dew Point: | 54°F |
| Barometer: | 30.12 inHg |
Wind: | N 6 Mph |
| Humidity: | 87.7% |
Visibility: | 0M |
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| Fullerton Weather Forecast Summary |
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Today
Dec 21st
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Monday
Dec 22nd
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Tuesday
Dec 23rd
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Wednesday
Dec 24th
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Thursday
Dec 25th
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Cloudy |
Cloudy |
Cloudy |
Showers |
Cloudy |
71°F
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72°F
60°F |
64°F
59°F |
60°F
55°F |
64°F
53°F |
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| Fullerton Detailed Weather Forecast |
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| Sunday, December 21st, 2025 |
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Afternoon |
Temperature: 68°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 62°F |
| A mix of cloudy and clear skies. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 60°F |
| Cloudy. |
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Morning |
Temperature: 69°F |
| Cloudy. |
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Afternoon |
Temperature: 68°F |
| Cloudy. |
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Evening |
Temperature: 64°F |
| Cloudy. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 62°F |
| Cloudy. |
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Morning |
Temperature: 63°F |
| Cloudy. |
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Afternoon |
Temperature: 61°F |
| Sunny with cloudy periods with a slight chance of showers. |
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Evening |
Temperature: 59°F |
| Cloudy with a slight chance of showers. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 58°F |
| Cloudy with a few showers. Windy at times. |
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Morning |
Temperature: 57°F |
| Cloudy with periods of rain. Windy at times. |
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Afternoon |
Temperature: 58°F |
| A mix of cloud and sun with showers. |
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Evening |
Temperature: 56°F |
| Clear with cloudy periods with a chance of showers. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: 53°F |
| Clear with cloudy periods with a chance of showers. |
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Morning |
Temperature: 60°F |
| A mix of cloud and sun with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 60°F |
| A mix of cloud and sun with a chance of showers. |
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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: 57°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 58°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 58°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 57°F |
| Cloudy with a chance of showers. |
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| Saturday, December 27th, 2025 |
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Overnight |
Temperature: 57°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 56°F |
| Cloudy with showers likely. |
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Afternoon |
Temperature: 55°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 57°F |
| Cloudy with a chance of showers. |
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| Sunday, December 28th, 2025 |
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Overnight |
Temperature: 57°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 60°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 56°F |
| Clear with cloudy periods. |
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| Monday, December 29th, 2025 |
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Overnight |
Temperature: 54°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 64°F |
| Sunny. |
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Afternoon |
Temperature: 65°F |
| Sunny. |
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Evening |
Temperature: 59°F |
| Clear. |
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