Weather WorldFontana Middle School, CA 7-Day Night Weather Forecast
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Fontana Middle School, CA Weather Forecast
Fontana Middle School, CA Weather Forecast Date: 1206 AM PDT Wed Sep 02 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 85 to 90. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph this afternoon.
Tonight... Mostly clear. Lows 54 to 60. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
Thursday... Sunny. Highs 83 to 89. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Thursday Night... Mostly clear. Lows 54 to 60. Areas of winds south 10 to 15 mph in the evening becoming light.
Friday... Mostly sunny. Highs 84 to 90. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
Friday Night... Mostly clear. Lows 60 to 65.
Saturday... Partly cloudy with a slight chance of showers. Highs 87 to 92.
Saturday Night... Partly cloudy. A slight chance of showers in the evening, then a chance of showers overnight. Lows 64 to 69.
Sunday... Partly cloudy in the morning...Becoming mostly cloudy. A chance of showers. Highs 86 to 92.
Sunday Night... Partly cloudy with a slight chance of showers. Lows 65 to 69.
Labor Day... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs 86 to 92.
Monday Night... Partly cloudy. A chance of showers. Lows 63 to 68.
POP = Probability of Precipitation
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