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City of La Mesa, CALa Mesa, CA 7-Day Night Weather Forecast
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La Mesa, CA Weather Forecast
La Mesa, CA Weather Forecast Date: 1039 AM PST Tue Nov 03 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... Partly cloudy. Lows 50 to 57. Areas of winds northwest 10 mph this evening becoming light.
Wednesday... Partly cloudy in the morning...Becoming sunny. Highs around 75 in the western valleys to 67 to 72 near the foothills. Light winds becoming west 10 mph in the afternoon.
Wednesday Night... Mostly clear. Lows 50 to 56. Light winds.
Thursday... Mostly sunny. Highs 77 to 81 in the western valleys to 72 to 77 near the foothills. Light winds becoming west 10 mph in the afternoon.
Thursday Night... Mostly clear. Lows 52 to 57. Areas of winds northeast to 10 mph in the evening becoming light.
Friday... Mostly sunny. Highs 82 to 85 in the western valleys to 74 to 79 near the foothills.
Friday Night... Clear. Lows 54 to 59.
Saturday... Sunny. Highs 86 to 89 in the western valleys to 77 to 82 near the foothills.
Saturday Night... Clear. Lows 56 to 61.
Sunday... Mostly sunny. Highs around 90 in the western valleys to 77 to 82 near the foothills.
Sunday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 58 to 63.
Monday... Partly cloudy. Highs around 85 in the western valleys to 76 to 81 near the foothills.
Monday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 56 to 61.
POP = Probability of Precipitation
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