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Sun City, CA Weather Forecast
Sun City, CA Weather Forecast Date: 1242 AM PDT Tue Sep 01 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 86 to 92. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph this afternoon.
Tonight... Clear. Lows 56 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
Wednesday... Sunny. Highs 85 to 91. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Wednesday Night... Clear. Lows 54 to 60. Areas of winds south 10 to 15 mph in the evening becoming light.
Thursday... Sunny. Highs 84 to 89. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
Thursday Night... Mostly clear. Lows 55 to 61.
Friday... Mostly sunny. Highs 85 to 90.
Friday Night... Mostly clear in the evening, then partly cloudy with a slight chance of showers overnight. Lows 57 to 62.
Saturday... Partly cloudy with a chance of showers. Highs 84 to 90.
Saturday Night... Partly cloudy with a chance of showers. Lows 63 to 67.
Sunday... Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs 87 to 93.
Sunday Night... Partly cloudy with a chance of showers. Lows 64 to 69.
POP = Probability of Precipitation
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