Currently: 51 °F. Clear. (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
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Sat Dec 6 |  | 70 / 48 °F | Sunny. | 68 °F | 3 mph | ↑ | 31% | 0% | 0.00" | 3 (Moderate) | 6:42 am | 4:40 pm |
| Sun Dec 7 | | 74 / 51 °F | Sunny. | 76 °F | 2 mph | ↑ | 31% | 0% | 0.00" | 3 (Moderate) | 6:43 am | 4:40 pm |
| Mon Dec 8 | | 78 / 53 °F | Sunny. | 77 °F | 4 mph | ↑ | 25% | 0% | 0.00" | 3 (Moderate) | 6:43 am | 4:40 pm |
| Tue Dec 9 | | 80 / 54 °F | Sunny. | 78 °F | 2 mph | ↑ | 21% | 0% | 0.00" | 3 (Moderate) | 6:44 am | 4:41 pm |
| Wed Dec 10 | | 77 / 55 °F | Sunny. | 76 °F | 3 mph | ↑ | 21% | 0% | 0.00" | 3 (Moderate) | 6:45 am | 4:41 pm |
| Thu Dec 11 | | 75 / 51 °F | Sunny. | 77 °F | 3 mph | ↑ | 31% | 0% | 0.00" | 3 (Moderate) | 6:46 am | 4:41 pm |
| Fri Dec 12 | | 76 / 50 °F | Sunny. | 77 °F | 4 mph | ↑ | 35% | 0% | 0.00" | 3 (Moderate) | 6:46 am | 4:41 pm |
| Sat Dec 13 |  | 70 / 52 °F | Overcast. | 76 °F | 3 mph | ↑ | 30% | 3% | 0.00" | 0 (Low) | 6:47 am | 4:41 pm |
| Sun Dec 14 | | 70 / 52 °F | Overcast. | 76 °F | 2 mph | ↑ | 28% | 5% | 0.00" | 0 (Low) | 6:48 am | 4:42 pm |
| Mon Dec 15 | | 70 / 51 °F | Sunny. | 76 °F | 2 mph | ↑ | 27% | 5% | 0.00" | 3 (Moderate) | 6:48 am | 4:42 pm |
| Tue Dec 16 |  | 70 / 51 °F | Afternoon clouds. | 76 °F | 5 mph | ↑ | 26% | 4% | 0.00" | 3 (Moderate) | 6:49 am | 4:42 pm |
| Wed Dec 17 |  | 69 / 50 °F | Mostly cloudy. | 69 °F | 6 mph | ↑ | 54% | 6% | 0.00" | 0 (Low) | 6:50 am | 4:43 pm |
| Thu Dec 18 |  | 70 / 50 °F | Sprinkles. Overcast. | 74 °F | 7 mph | ↑ | 71% | 48% | 0.05" | 0 (Low) | 6:50 am | 4:43 pm |
| Fri Dec 19 |  | 73 / 50 °F | Passing showers. Overcast. | 72 °F | 7 mph | ↑ | 86% | 66% | 0.17" | 0 (Low) | 6:51 am | 4:44 pm |
| Sat Dec 20 | | 75 / 50 °F | Light rain. Overcast. | 74 °F | 3 mph | ↑ | 90% | 63% | 0.21" | 0 (Low) | 6:51 am | 4:44 pm |
| * Updated Friday, December 5, 2025 7:24:06 pm Rancho Cucamonga time - Weather by CustomWeather, © 2025 | ||||||||||||