| National Weather Service Forecast for:
3 Miles SE Rancho Cucamonga CA Issued by: National Weather Service San Diego, CA |
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| Updated: 1:04 am PST Feb 2, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 53. Calm wind. |
| Monday |
Sunny, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the afternoon. |
| Monday Night |
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm. |
| Tuesday |
Sunny, with a high near 83. Light and variable wind becoming north 5 to 10 mph in the afternoon. |
| Tuesday Night |
Clear, with a low around 56. North wind 5 to 10 mph becoming light northwest. |
| Wednesday |
Sunny, with a high near 82. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Mostly sunny, with a high near 81. |
| Thursday Night |
Mostly cloudy, with a low around 56. |
| Friday |
Partly sunny, with a high near 75. |
| Friday Night |
Partly cloudy, with a low around 53. |
| Saturday |
Sunny, with a high near 77. |
| Saturday Night |
Mostly clear, with a low around 53. |
| Sunday |
Sunny, with a high near 80. |
Forecast from NOAA-NWS for 3 Miles SE Rancho Cucamonga CA.
