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La Sierra High School, CA 7-Day Night Weather Forecast
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La Sierra High School, CA Weather Forecast
La Sierra High School, CA Weather Forecast Date: 1151 AM PDT Tue Aug 18 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... Mostly clear. Lows 66 to 71. Areas of winds west to 10 mph this evening becoming light.
Wednesday... Mostly sunny. Highs 99 to 105. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Wednesday Night... Mostly clear. Lows 66 to 72. Areas of winds west to 10 mph in the evening becoming light.
Thursday... Mostly sunny in the morning...Becoming partly cloudy. Highs 97 to 105. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Thursday Night... Partly cloudy. Lows 66 to 72. Areas of winds west to 10 mph in the evening becoming light.
Friday... Partly cloudy. Highs 97 to 104.
Friday Night... Mostly clear. Lows 66 to 71.
Saturday... Mostly sunny. Highs 95 to 101.
Saturday Night... Mostly clear. Lows 66 to 70.
Sunday... Mostly sunny. A slight chance of showers in the afternoon. Highs 94 to 101.
Sunday Night... Mostly clear. Lows 65 to 70.
Monday... Mostly sunny. Highs 94 to 100.
Monday Night... Mostly clear. Lows 65 to 70.
POP = Probability of Precipitation
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