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Upland Junior High School, CA Weather Forecast
Upland Junior High School, CA Weather Forecast Date: 1129 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.
Tonight... Clear. Lows 56 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
Wednesday... Mostly sunny. Highs 84 to 90. Areas of winds south to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Wednesday Night... Mostly clear. Lows 55 to 61. Areas of winds south 10 to 15 mph in the evening becoming light.
Thursday... Sunny. Highs 83 to 88. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph in the afternoon.
Thursday Night... Mostly clear. Lows 55 to 61. Areas of winds southwest 10 to 15 mph becoming southeast overnight.
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 58 to 63.
Saturday... Partly cloudy with a chance of showers. Highs 86 to 92.
Saturday Night... Partly cloudy with a chance of showers. Lows 63 to 68.
Sunday... Partly cloudy with a chance of showers. Highs 87 to 93.
Sunday Night... Partly cloudy with a slight chance of showers. Lows 64 to 69.
Labor Day... Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 88 to 93.
Monday Night... Partly cloudy. A slight chance of showers in the evening. Lows 63 to 68.
POP = Probability of Precipitation
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