 |
 Current Fullerton Weather Conditions |
Updated February 18th at 5:53 pm |
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| Temperature: | 55°F |
Dew Point: | 37°F |
| Barometer: | 30.01 inHg |
Wind: | N 11 Mph |
| Humidity: | 50.6% |
Visibility: | 0M |
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| Fullerton Weather Forecast Summary |
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Today
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Sunday
Feb 22nd
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Showers |
Showers |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
55°F
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48°F
45°F |
59°F
45°F |
66°F
47°F |
73°F
55°F |
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| Fullerton Detailed Weather Forecast |
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| Wednesday, February 18th, 2026 |
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Evening |
Temperature: 48°F |
| Clear with cloudy periods. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 48°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 45°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 46°F |
| Cloudy with a few showers. |
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Evening |
Temperature: 46°F |
| Clear with cloudy periods with a chance of showers. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 45°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 54°F |
| Sunny. |
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Afternoon |
Temperature: 57°F |
| Sunny. |
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Evening |
Temperature: 50°F |
| Clear. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 47°F |
| Clear. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 63°F |
| Cloudy. |
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Evening |
Temperature: 56°F |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 55°F |
| Cloudy. |
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Morning |
Temperature: 68°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 69°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 60°F |
| A mix of cloudy and clear skies. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 57°F |
| Clear. |
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Morning |
Temperature: 72°F |
| Sunny. |
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Afternoon |
Temperature: 73°F |
| Cloudy. |
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Evening |
Temperature: 66°F |
| Cloudy. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 64°F |
| Cloudy. |
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Morning |
Temperature: 70°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 68°F |
| Cloudy. |
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Evening |
Temperature: 64°F |
| Cloudy. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: 61°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 57°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 57°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 54°F |
| A mix of cloudy and clear skies with a chance of showers. |
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