| National Weather Service Forecast for:
3 Miles SE Rancho Cucamonga CA Issued by: National Weather Service San Diego, CA |
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| Updated: 12:56 pm PST Dec 17, 2025 | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 55. Calm wind becoming west around 5 mph after midnight. |
| Thursday |
Sunny, with a high near 83. West wind around 5 mph becoming calm. |
| Thursday Night |
Mostly clear, with a low around 56. Northeast wind around 5 mph. |
| Friday |
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. |
| Friday Night |
Mostly clear, with a low around 54. Calm wind. |
| Saturday |
Sunny, with a high near 75. |
| Saturday Night |
Partly cloudy, with a low around 54. |
| Sunday |
Partly sunny, with a high near 75. |
| Sunday Night |
Partly cloudy, with a low around 52. |
| Monday |
Partly sunny, with a high near 74. |
| Monday Night |
Mostly cloudy, with a low around 52. |
| Tuesday |
A slight chance of showers. Partly sunny, with a high near 69. |
| Tuesday Night |
A chance of showers. Mostly cloudy, with a low around 53. |
| Wednesday |
Showers likely. Mostly cloudy, with a high near 65. |
Forecast from NOAA-NWS for 3 Miles SE Rancho Cucamonga CA.
