Currently: 59 °F. Passing clouds. (Weather station: Ontario International Airport, USA). See more current weatherRancho Cucamonga Extended Forecast with high and low temperatures
2 Week Extended Forecast in Rancho Cucamonga, California, USA
Scroll right to see more
| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu Dec 4 |  | 68 / 49 °F | Scattered clouds. | 66 °F | 3 mph | ↑ | 21% | 0% | 0.00" | 3 (Moderate) | 6:40 am | 4:40 pm |
| Fri Dec 5 |  | 70 / 48 °F | Sunny. | 68 °F | 2 mph | ↑ | 22% | 0% | 0.00" | 3 (Moderate) | 6:41 am | 4:40 pm |
| Sat Dec 6 | | 70 / 47 °F | Sunny. | 69 °F | 4 mph | ↑ | 33% | 0% | 0.00" | 3 (Moderate) | 6:42 am | 4:40 pm |
| Sun Dec 7 | | 73 / 48 °F | Mostly sunny. | 76 °F | 2 mph | ↑ | 30% | 0% | 0.00" | 3 (Moderate) | 6:43 am | 4:40 pm |
| Mon Dec 8 | | 80 / 51 °F | Sunny. | 78 °F | 7 mph | ↑ | 21% | 0% | 0.00" | 3 (Moderate) | 6:43 am | 4:40 pm |
| Tue Dec 9 |  | 80 / 56 °F | Afternoon clouds. | 77 °F | 3 mph | ↑ | 19% | 0% | 0.00" | 0 (Low) | 6:44 am | 4:41 pm |
| Wed Dec 10 | | 78 / 54 °F | Sunny. | 77 °F | 2 mph | ↑ | 21% | 0% | 0.00" | 3 (Moderate) | 6:45 am | 4:41 pm |
| Thu Dec 11 | | 78 / 52 °F | Mostly sunny. | 77 °F | 1 mph | ↑ | 26% | 2% | 0.00" | 3 (Moderate) | 6:46 am | 4:41 pm |
| Fri Dec 12 | | 71 / 53 °F | Scattered clouds. | 75 °F | 4 mph | ↑ | 25% | 3% | 0.00" | 3 (Moderate) | 6:46 am | 4:41 pm |
| Sat Dec 13 |  | 68 / 51 °F | Overcast. | 68 °F | 4 mph | ↑ | 32% | 3% | 0.00" | 0 (Low) | 6:47 am | 4:41 pm |
| Sun Dec 14 | | 69 / 52 °F | Afternoon clouds. | 69 °F | 4 mph | ↑ | 32% | 4% | 0.00" | 3 (Moderate) | 6:48 am | 4:42 pm |
| Mon Dec 15 | | 69 / 52 °F | Decreasing cloudiness. | 69 °F | 4 mph | ↑ | 29% | 4% | 0.00" | 0 (Low) | 6:48 am | 4:42 pm |
| Tue Dec 16 | | 69 / 52 °F | Morning clouds. | 69 °F | 5 mph | ↑ | 41% | 5% | 0.00" | 3 (Moderate) | 6:49 am | 4:42 pm |
| Wed Dec 17 |  | 70 / 52 °F | Sprinkles late. Afternoon clouds. | 70 °F | 6 mph | ↑ | 63% | 46% | 0.02" | 0 (Low) | 6:50 am | 4:43 pm |
| Thu Dec 18 | | 72 / 53 °F | Sprinkles early. Mostly cloudy. | 74 °F | 3 mph | ↑ | 73% | 48% | 0.02" | 0 (Low) | 6:50 am | 4:43 pm |
| * Updated Thursday, December 4, 2025 1:24:05 pm Rancho Cucamonga time - Weather by CustomWeather, © 2025 | ||||||||||||