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Alpine, CA Weather Forecast
Alpine, CA Weather Forecast Date: 1132 AM PDT Thu Sep 24 2026
The area/counties/county of: San Diego County Valleys, including the cities of: Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway.or toggle through each period.
Tonight... Mostly clear this evening...Becoming partly cloudy. Lows 63 to 67. Light winds.
Friday... Mostly sunny. Highs 87 to 92. Light winds becoming west 10 mph in the afternoon.
Friday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 65 to 69. Light winds.
Saturday... Partly cloudy. Highs 90 to 95. Light winds becoming west 10 mph in the afternoon.
Saturday Night... Partly cloudy in the evening...Becoming cloudy. Lows 66 to 70. Areas of winds west to 10 mph in the evening becoming light.
Sunday... Mostly cloudy in the morning...Becoming partly cloudy. Highs 83 to 86 in the western valleys to 79 to 84 near the foothills.
Sunday Night... Partly cloudy. A slight chance of showers overnight. Cooler. Lows 58 to 65.
Monday... Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs 77 to 82.
Monday Night... Clear. Lows 54 to 62.
Tuesday... Mostly sunny. A slight chance of showers in the afternoon. Highs 84 to 89.
Tuesday Night... Clear. Lows 58 to 66.
Wednesday... Mostly sunny. Highs 88 to 93.
Wednesday Night... Clear. Lows 60 to 66.
POP = Probability of Precipitation
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