Currently: 56 °F. Fog. (Weather station: Fullerton Municipal Airport, USA). See more current weatherHour-by-hour Forecast in Fullerton — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 7:00 am Wed, Jan 21 |  | 50 °F | Overcast. | 50 °F | 1 mph | ↑ | 86% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 52 °F | Overcast. | 52 °F | 2 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 57 °F | Overcast. | 57 °F | 3 mph | ↑ | 70% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 61 °F | Overcast. | 61 °F | 3 mph | ↑ | 63% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 64 °F | Overcast. | 64 °F | 3 mph | ↑ | 57% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 66 °F | Overcast. | 66 °F | 3 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 67 °F | Overcast. | 67 °F | 3 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 67 °F | Overcast. | 67 °F | 4 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 67 °F | Overcast. | 67 °F | 4 mph | ↑ | 55% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 66 °F | Overcast. | 66 °F | 4 mph | ↑ | 57% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 64 °F | Overcast. | 64 °F | 3 mph | ↑ | 64% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm |  | 61 °F | Overcast. | 61 °F | 3 mph | ↑ | 71% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 58 °F | Overcast. | 58 °F | 2 mph | ↑ | 78% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 56 °F | Overcast. | 56 °F | 1 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 56 °F | Overcast. | 56 °F | 1 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 56 °F | Overcast. | 56 °F | 3 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 56 °F | Overcast. | 56 °F | 1 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Thu, Jan 22 | | 55 °F | Overcast. | 55 °F | 3 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 54 °F | Overcast. | 53 °F | 5 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 55 °F | Overcast. | 55 °F | 4 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 55 °F | Overcast. | 55 °F | 2 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 54 °F | Overcast. | 54 °F | 2 mph | ↑ | 84% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 54 °F | Overcast. | 54 °F | 2 mph | ↑ | 85% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 55 °F | Overcast. | 55 °F | 4 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Tuesday, January 20, 2026 11:42:38 pm Fullerton time - Weather by CustomWeather, © 2026 | |||||||||