Weather WorldCucamonga, CA 7-Day Night Weather Forecast
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Cucamonga, CA Weather Forecast
Cucamonga, CA Weather Forecast Date: 1206 AM PDT Fri Oct 30 2026
The area/counties/county of: San Bernardino And Riverside County Valleys, including the cities of: Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona.or toggle through each period.
Today... Cloudy with a chance of rain this morning, then mostly cloudy with a slight chance of rain this afternoon. Highs 66 to 71. Light winds becoming southwest 10 mph this afternoon. Chance of measurable precipitation 50%.
Tonight... Partly cloudy with a slight chance of rain. Lows 50 to 58. Areas of winds south 10 mph in the evening becoming light. Chance of measurable precipitation 20%.
Saturday... Mostly cloudy in the morning...Becoming cloudy. Highs 67 to 71. Light winds.
Saturday Night... Showers likely in the evening, then showers overnight. Locally heavy rainfall possible overnight. Lows 52 to 58. Light winds.
Sunday... Showers. Highs 64 to 71. Light winds becoming west 10 mph in the afternoon.
Sunday Night... Partly cloudy. A chance of showers in the evening. Lows 48 to 53.
Monday... Mostly sunny. Highs 71 to 77.
Monday Night... Mostly clear. Lows 50 to 55.
Tuesday... Mostly sunny. Highs 72 to 76.
Tuesday Night... Mostly clear. Lows 49 to 53.
Wednesday... Partly cloudy. Highs 67 to 73.
Wednesday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 49 to 53.
POP = Probability of Precipitation
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