 |
 Current Rancho Cucamonga Weather Conditions |
Updated May 4th at 7:53 am |
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| Mostly Cloudy |
| Temperature: | 55°F |
Dew Point: | 48°F |
| Barometer: | 29.98 inHg |
Wind: | N 11 Mph |
| Humidity: | 76.7% |
Visibility: | 0M |
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| Rancho Cucamonga Weather Forecast Summary |
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Today
May 4th
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Tuesday
May 5th
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Wednesday
May 6th
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Thursday
May 7th
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Friday
May 8th
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Mix of Sun and Cloud |
Mostly Sunny |
Sunny |
Sunny |
Sunny |
67°F
|
69°F
56°F |
76°F
55°F |
84°F
62°F |
85°F
65°F |
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| Rancho Cucamonga Detailed Weather Forecast |
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| Monday, May 4th, 2026 |
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Morning |
Temperature: 61°F |
| Mostly sunny. |
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Afternoon |
Temperature: 66°F |
| A mix of sun and cloud. Windy. |
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Evening |
Temperature: 59°F |
| Clear with cloudy periods. Windy at times. |
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| Tuesday, May 5th, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy with clear periods with a slight chance of showers. |
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Morning |
Temperature: 60°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 67°F |
| Sunny. Windy. |
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Evening |
Temperature: 59°F |
| Clear. Windy at times. |
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| Wednesday, May 6th, 2026 |
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Overnight |
Temperature: 56°F |
| Clear. |
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Morning |
Temperature: 62°F |
| Sunny. |
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Afternoon |
Temperature: 75°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 67°F |
| Clear. |
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| Thursday, May 7th, 2026 |
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Overnight |
Temperature: 63°F |
| Clear. |
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Morning |
Temperature: 71°F |
| Sunny. |
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Afternoon |
Temperature: 83°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 71°F |
| Clear. |
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| Friday, May 8th, 2026 |
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Overnight |
Temperature: 65°F |
| Clear. |
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Morning |
Temperature: 73°F |
| Sunny. |
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Afternoon |
Temperature: 84°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 73°F |
| Clear. |
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| Saturday, May 9th, 2026 |
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Overnight |
Temperature: 68°F |
| Clear. |
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Morning |
Temperature: 75°F |
| Sunny. |
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Afternoon |
Temperature: 86°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 74°F |
| Clear. |
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| Sunday, May 10th, 2026 |
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Overnight |
Temperature: 69°F |
| Clear. |
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Morning |
Temperature: 82°F |
| Sunny. |
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Afternoon |
Temperature: 93°F |
| Sunny. Windy. |
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Evening |
Temperature: 75°F |
| Clear. |
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| Monday, May 11th, 2026 |
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Overnight |
Temperature: 69°F |
| Clear. |
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Morning |
Temperature: 79°F |
| Sunny. |
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Afternoon |
Temperature: 91°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 77°F |
| Clear. |
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| Tuesday, May 12th, 2026 |
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Overnight |
Temperature: 70°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Mostly sunny. |
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Afternoon |
Temperature: 87°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 75°F |
| Mostly clear. |
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