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Thirteenth Street Reservoir, CA 7-Day Night Weather Forecast
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Thirteenth Street Reservoir, CA Weather Forecast
Thirteenth Street Reservoir, CA Weather Forecast Date: 1140 AM PDT Wed Aug 26 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... Partly cloudy. Lows 71 to 76. Areas of winds west to 10 mph this evening becoming light.
Thursday... Partly cloudy in the morning...Becoming mostly cloudy. Highs 103 to 109. Light winds becoming west 10 to 15 mph in the afternoon.
Thursday Night... Mostly cloudy in the evening...Becoming partly cloudy. Lows 70 to 75. Areas of winds west to 10 mph in the evening becoming light.
Friday... Partly cloudy. Highs 100 to 106. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Friday Night... Mostly clear. Lows 69 to 73. Areas of winds southwest to 10 mph in the evening becoming light.
Saturday... Mostly sunny. Highs 98 to 104.
Saturday Night... Clear. Lows 64 to 69.
Sunday... Mostly sunny. Highs 92 to 98.
Sunday Night... Mostly clear. Lows 60 to 65.
Monday... Mostly sunny. Highs 88 to 94.
Monday Night... Mostly clear with a slight chance of showers. Lows 60 to 64.
Tuesday... Partly cloudy with a slight chance of showers. Highs 88 to 94.
Tuesday Night... Partly cloudy with a slight chance of showers. Lows 62 to 67.
POP = Probability of Precipitation
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