Currently: 50 °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
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jan 21 |  | 72 / 53 °F | Overcast. | 76 °F | 3 mph | ↑ | 30% | 0% | 0.00" | 0 (Low) | 6:53 am | 5:10 pm |
| Thu Jan 22 |  | 65 / 52 °F | Sprinkles. Cloudy. | 64 °F | 3 mph | ↑ | 52% | 38% | 0.05" | 0 (Low) | 6:53 am | 5:11 pm |
| Fri Jan 23 | | 63 / 48 °F | Sprinkles late. Scattered clouds. | 62 °F | 7 mph | ↑ | 60% | 15% | 0.04" | 3 (Moderate) | 6:52 am | 5:12 pm |
| Sat Jan 24 |  | 69 / 47 °F | Sunny. | 68 °F | 12 mph | ↑ | 30% | 2% | 0.00" | 3 (Moderate) | 6:52 am | 5:13 pm |
| Sun Jan 25 | | 67 / 47 °F | Cloudy. | 66 °F | 2 mph | ↑ | 10% | 0% | 0.00" | 0 (Low) | 6:51 am | 5:13 pm |
| Mon Jan 26 |  | 70 / 47 °F | Mostly cloudy. | 68 °F | 2 mph | ↑ | 11% | 0% | 0.00" | 3 (Moderate) | 6:51 am | 5:14 pm |
| Tue Jan 27 | | 71 / 48 °F | Overcast. | 69 °F | 2 mph | ↑ | 11% | 0% | 0.00" | 0 (Low) | 6:50 am | 5:15 pm |
| Wed Jan 28 | | 68 / 50 °F | Mostly cloudy. | 68 °F | 5 mph | ↑ | 11% | 3% | 0.00" | 0 (Low) | 6:50 am | 5:16 pm |
| Thu Jan 29 | | 68 / 50 °F | Decreasing cloudiness. | 68 °F | 3 mph | ↑ | 13% | 4% | 0.00" | 0 (Low) | 6:49 am | 5:17 pm |
| Fri Jan 30 | | 68 / 49 °F | Sunny. | 68 °F | 2 mph | ↑ | 18% | 3% | 0.00" | 3 (Moderate) | 6:48 am | 5:18 pm |
| Sat Jan 31 | | 68 / 50 °F | Overcast. | 68 °F | 3 mph | ↑ | 19% | 5% | 0.00" | 0 (Low) | 6:48 am | 5:19 pm |
| Sun Feb 1 | | 70 / 47 °F | Overcast. | 70 °F | 3 mph | ↑ | 19% | 4% | 0.00" | 0 (Low) | 6:47 am | 5:20 pm |
| Mon Feb 2 |  | 69 / 48 °F | Morning clouds. | 69 °F | 5 mph | ↑ | 32% | 5% | 0.00" | 3 (Moderate) | 6:46 am | 5:21 pm |
| Tue Feb 3 | | 72 / 49 °F | Scattered clouds. | 77 °F | 5 mph | ↑ | 38% | 4% | 0.00" | 3 (Moderate) | 6:45 am | 5:22 pm |
| Wed Feb 4 | | 70 / 49 °F | Overcast. | 70 °F | 2 mph | ↑ | 32% | 6% | 0.00" | 0 (Low) | 6:45 am | 5:23 pm |
| * Updated Wednesday, January 21, 2026 1:24:03 am Rancho Cucamonga time - Weather by CustomWeather, © 2026 | ||||||||||||