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Alta Loma, CA 7-Day Night Weather Forecast
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Alta Loma, CA Weather Forecast
Alta Loma, CA Weather Forecast Date: 117 PM PDT Fri Aug 07 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 64 to 70. Areas of winds west 10 to 15 mph this evening becoming light.
Saturday... Mostly sunny. Highs 96 to 103. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Saturday Night... Clear. Lows 65 to 71. Areas of winds west to 10 mph in the evening becoming light.
Sunday... Mostly sunny. Highs 96 to 104. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Sunday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 66 to 71. Areas of winds southwest to 10 mph in the evening becoming light.
Monday... Partly cloudy in the morning...Becoming mostly sunny. Highs 93 to 100.
Monday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 63 to 68.
Tuesday... Partly cloudy. Highs 91 to 97.
Tuesday Night... Partly cloudy. Lows 62 to 66.
Wednesday... Partly cloudy. Highs 89 to 95.
Wednesday Night... Mostly clear. Lows 60 to 65.
Thursday... Mostly sunny in the morning...Becoming partly cloudy. Highs 86 to 93.
Thursday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 59 to 64.
POP = Probability of Precipitation
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