Mountain Valley, CA 7-Day Weather Forecast
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Mountain Valley Weather Forecast


Mountain Valley, CA Weather Forecast Date: 310 PM PDT Tue Oct 20 2026
Weather forecast for Mountain Valley, CA
| Tonight Lo: 52°F Lo: 11°C |
Tonight... Mostly clear. Lows 47 to 55. Southeast winds up to 10 mph with gusts to around 25 mph. |
| Wed Hi: 63°FHi: 17°C Lo: 48°F Lo: 9°C |
Wednesday... Mostly sunny with chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 57 to 67. Southeast winds 5 to 15 mph. Chance of precipitation 70%. |
| Thu Hi: 56°FHi: 13°C Lo: 45°F Lo: 7°C |
Thursday... Rain showers likely in the morning, then rain showers in the afternoon. Highs 50 to 60. Southeast winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. Chance of showers 90%. |
| Fri Hi: 57°FHi: 14°C Lo: 44°F Lo: 7°C |
Friday... Mostly cloudy in the morning then clearing. Highs 51 to 61. |
| Sat Hi: 64°FHi: 18°C Lo: 47°F Lo: 8°C |
Saturday... Mostly clear. Lows 39 to 47. Highs 58 to 68. |
| Sun Hi: 66°FHi: 19°C Lo: 48°F Lo: 9°C |
Sunday... Mostly clear. Highs 59 to 71. Lows 43 to 52. |
| Mon Hi: 66°FHi: 19°C Lo: 48°F Lo: 9°C |
Monday... Mostly clear. Highs 59 to 71. Lows 43 to 52. |
| Tue Hi: 66°FHi: 19°C Lo: 48°F Lo: 9°C |
Tuesday... Mostly clear. Highs 59 to 71. Lows 43 to 52. |
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