Currently: 51 °F. Mostly cloudy. (Weather station: Ontario International Airport, USA). See more current weatherHour-by-hour Forecast in Rancho Cucamonga — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 8:00 am Wed, Jan 21 |  | 54 °F | Overcast. | 54 °F | 1 mph | ↑ | 45% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 60 °F | Overcast. | 60 °F | 1 mph | ↑ | 36% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 64 °F | Overcast. | 64 °F | 2 mph | ↑ | 35% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 67 °F | Overcast. | 67 °F | 2 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 69 °F | Overcast. | 69 °F | 3 mph | ↑ | 31% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 69 °F | Overcast. | 69 °F | 3 mph | ↑ | 30% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 70 °F | Overcast. | 76 °F | 3 mph | ↑ | 31% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 69 °F | Overcast. | 69 °F | 4 mph | ↑ | 34% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 68 °F | Overcast. | 68 °F | 4 mph | ↑ | 38% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 66 °F | Overcast. | 66 °F | 4 mph | ↑ | 43% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm |  | 64 °F | Overcast. | 64 °F | 3 mph | ↑ | 50% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 60 °F | Overcast. | 60 °F | 3 mph | ↑ | 59% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 58 °F | Overcast. | 58 °F | 2 mph | ↑ | 66% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 58 °F | Overcast. | 58 °F | 1 mph | ↑ | 66% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 58 °F | Overcast. | 58 °F | 1 mph | ↑ | 64% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 58 °F | Overcast. | 58 °F | 1 mph | ↑ | 63% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Thu, Jan 22 | | 57 °F | Overcast. | 57 °F | 0 mph | ↑ | 65% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 56 °F | Overcast. | 56 °F | 0 mph | ↑ | 66% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 56 °F | Overcast. | 56 °F | 1 mph | ↑ | 65% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 56 °F | Overcast. | 56 °F | 1 mph | ↑ | 65% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 54 °F | Overcast. | 54 °F | 1 mph | ↑ | 69% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 53 °F | Overcast. | 53 °F | 1 mph | ↑ | 72% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 52 °F | Overcast. | 52 °F | 1 mph | ↑ | 74% | 5% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 53 °F | Overcast. | 53 °F | 2 mph | ↑ | 73% | 10% | 0.00" (snow) 0.00" (rain) |
| * Updated Wednesday, January 21, 2026 5:42:42 am Rancho Cucamonga time - Weather by CustomWeather, © 2026 | |||||||||