Cucamonga, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Cucamonga, CA Weather Forecast


Cucamonga, CA Weather Forecast Date: 119 AM PDT Mon Oct 26 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... Sunny. Highs 76 to 81. Light winds becoming west 10 mph this afternoon.
Tonight... Mostly clear. Lows 51 to 55. Areas of winds west to 10 mph in the evening becoming light.
Tuesday... Mostly sunny. Highs 72 to 77. Light winds becoming southwest to 10 mph in the afternoon.
Tuesday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 50 to 55. Areas of winds south to 10 mph in the evening becoming light.
Wednesday... Patchy fog in the morning. Partly cloudy. Highs 71 to 75. Light winds.
Wednesday Night... Partly cloudy in the evening...Becoming mostly cloudy. Lows 51 to 56.
Thursday... Mostly cloudy. Highs 69 to 73.
Thursday Night... Partly cloudy in the evening...Becoming mostly cloudy. Lows 51 to 57.
Friday... Mostly cloudy in the morning...Becoming partly cloudy. A slight chance of showers. Highs 65 to 70.
Friday Night... Partly cloudy with a slight chance of showers. Lows 50 to 56.
Saturday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 63 to 68.
Saturday Night... Mostly cloudy with a chance of showers. Lows 50 to 55.
Weather World