Currently: 52 °F. Clear. (Weather station: Ontario International Airport, USA). See more current weatherHour-by-hour Forecast in Fontana — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 1:00 am Sat, Dec 6 | | 53 °F | Clear. | 53 °F | 1 mph | ↑ | 50% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 52 °F | Clear. | 52 °F | 1 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 51 °F | Clear. | 51 °F | 1 mph | ↑ | 53% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 51 °F | Clear. | 51 °F | 1 mph | ↑ | 53% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 51 °F | Clear. | 51 °F | 1 mph | ↑ | 53% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 50 °F | Clear. | 50 °F | 1 mph | ↑ | 55% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am |  | 49 °F | Sunny. | 49 °F | 1 mph | ↑ | 57% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 52 °F | Sunny. | 52 °F | 0 mph | ↑ | 53% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 57 °F | Sunny. | 57 °F | 1 mph | ↑ | 44% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 61 °F | Sunny. | 61 °F | 2 mph | ↑ | 37% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 65 °F | Sunny. | 65 °F | 2 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 67 °F | Sunny. | 67 °F | 2 mph | ↑ | 29% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 69 °F | Sunny. | 69 °F | 3 mph | ↑ | 27% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 69 °F | Sunny. | 69 °F | 3 mph | ↑ | 26% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 69 °F | Sunny. | 69 °F | 3 mph | ↑ | 28% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 67 °F | Sunny. | 67 °F | 3 mph | ↑ | 31% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 64 °F | Clear. | 64 °F | 3 mph | ↑ | 36% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 62 °F | Clear. | 62 °F | 3 mph | ↑ | 42% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 59 °F | Clear. | 59 °F | 3 mph | ↑ | 48% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 57 °F | Clear. | 57 °F | 3 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 56 °F | Clear. | 56 °F | 3 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 55 °F | Clear. | 55 °F | 2 mph | ↑ | 56% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 55 °F | Clear. | 55 °F | 2 mph | ↑ | 58% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Sun, Dec 7 | | 54 °F | Clear. | 54 °F | 2 mph | ↑ | 58% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Friday, December 5, 2025 5:42:32 pm Fontana time - Weather by CustomWeather, © 2025 | |||||||||