Currently: 55 °F. Clear. (Weather station: Fullerton Municipal Airport, USA). See more current weatherPast Weather in Fullerton — Graph
Fullerton Temperature Yesterday
Maximum temperature yesterday: 81 °F (at 1:53 pm)
Minimum temperature yesterday: 48 °F (at 4:53 am)
Average temperature yesterday: 61 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 84 °F (Nov 26, 1:53 pm) | 100% (Nov 24, 1:00 am) | 30.19 "Hg (Nov 24, 1:00 am) |
| Low | 44 °F (Dec 5, 5:53 am) | 16% (Nov 26, 2:53 pm) | 29.93 "Hg (Nov 30, 2:53 pm) |
| Average | 59 °F | 70% | 30.04 "Hg |
| * Reported Nov 24 12:53 am — Dec 9 12:53 am, Fullerton. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Fullerton Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Tue, Dec 9 | | 55 °F | Clear. | No wind | ↑ | 64% | 30.05 "Hg | 10 mi |
| 11:53 pm Mon, Dec 8 | | 55 °F | Clear. | No wind | ↑ | 72% | 30.06 "Hg | 10 mi |
| 10:53 pm | | 55 °F | Clear. | No wind | ↑ | 74% | 30.07 "Hg | 10 mi |
| 9:53 pm | | 57 °F | Clear. | No wind | ↑ | 72% | 30.08 "Hg | 10 mi |
| 8:53 pm | | 58 °F | Clear. | No wind | ↑ | 84% | 30.08 "Hg | 10 mi |
| 7:53 pm | | 60 °F | Clear. | No wind | ↑ | 80% | 30.08 "Hg | 10 mi |
| 6:53 pm | | 64 °F | Clear. | 3 mph | ↑ | 73% | 30.07 "Hg | 10 mi |
| 5:53 pm | | 64 °F | Clear. | No wind | ↑ | 73% | 30.07 "Hg | 10 mi |
| 4:53 pm | | 68 °F | Clear. | No wind | ↑ | 63% | 30.05 "Hg | 10 mi |
| 3:53 pm |  | 73 °F | Sunny. | No wind | ↑ | 48% | 30.04 "Hg | 10 mi |
| 2:53 pm | | 76 °F | Sunny. | 5 mph | ↑ | 47% | 30.04 "Hg | 10 mi |
| 1:53 pm | | 81 °F | Sunny. | No wind | ↑ | 25% | 30.05 "Hg | 10 mi |
| 12:53 pm | | 79 °F | Sunny. | 5 mph | ↑ | 30% | 30.08 "Hg | 10 mi |
| 11:53 am | | 75 °F | Sunny. | 5 mph | ↑ | 36% | 30.10 "Hg | 10 mi |
| 10:53 am | | 70 °F | Sunny. | 5 mph | ↑ | 44% | 30.13 "Hg | 9 mi |
| 9:53 am | | 65 °F | Sunny. | 3 mph | ↑ | 52% | 30.14 "Hg | 9 mi |
| 8:53 am | | 58 °F | Sunny. | No wind | ↑ | 65% | 30.15 "Hg | 10 mi |
| 7:53 am | | 52 °F | Sunny. | No wind | ↑ | 77% | 30.14 "Hg | 8 mi |
| 6:53 am |  | 48 °F | Fog. | No wind | ↑ | 86% | 30.13 "Hg | 6 mi |
| 5:53 am | | 49 °F | Clear. | No wind | ↑ | 84% | 30.13 "Hg | 8 mi |
| 4:53 am |  | 48 °F | Fog. | No wind | ↑ | 93% | 30.11 "Hg | 5 mi |
| 3:53 am | | 49 °F | Fog. | No wind | ↑ | 90% | 30.11 "Hg | 6 mi |
| 2:53 am | | 49 °F | Clear. | No wind | ↑ | 90% | 30.11 "Hg | 7 mi |
| Weather by CustomWeather, © 2025 | ||||||||