Weather WorldStone Reservoir, CA 7-Day Night Weather Forecast
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Stone Reservoir, CA Weather Forecast
Stone Reservoir, CA Weather Forecast Date: 1212 PM PDT Thu Aug 13 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 cloudy this evening...Becoming partly cloudy. Patchy dense fog overnight. Lows 57 to 63. Areas of winds southwest 10 to 15 mph with gusts to 25 mph this evening becoming light.
Friday... Partly cloudy in the morning...Becoming sunny. Patchy dense fog in the morning. Highs 84 to 90. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Friday Night... Mostly clear in the evening...Becoming partly cloudy. Patchy dense fog. Lows 56 to 62. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
Saturday... Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 87 to 93. Areas of winds west to 10 mph...Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
Saturday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 59 to 64. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. Highs 89 to 96.
Sunday Night... Mostly clear. Lows 60 to 65.
Monday... Partly cloudy. Highs 91 to 97.
Monday Night... Mostly clear. Lows 61 to 66.
Tuesday... Mostly sunny. Highs 92 to 99.
Tuesday Night... Mostly clear. Lows 62 to 67.
Wednesday... Mostly sunny. Highs 93 to 99.
Wednesday Night... Mostly clear. Lows 62 to 67.
POP = Probability of Precipitation
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