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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: 1235 PM PDT Fri Sep 04 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. Patchy fog overnight. Lows 59 to 63. Areas of winds west to 10 mph this evening becoming light.
Saturday... Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs 85 to 90. Areas of winds southwest to 10 mph. Chance of measurable precipitation 20%.
Saturday Night... Partly cloudy in the evening...Becoming mostly cloudy. A slight chance of showers. Lows 66 to 70. Light winds. Chance of measurable precipitation 20%.
Sunday... Mostly cloudy. A chance of showers. Highs 85 to 90. Light winds becoming northwest 10 to 15 mph with gusts to 25 mph in the afternoon. Chance of measurable precipitation 50%.
Sunday Night... Partly cloudy. Lows 65 to 69. Areas of winds northwest to 10 mph in the evening becoming light.
Labor Day... Partly cloudy. Highs 87 to 92.
Monday Night... Partly cloudy. Lows 65 to 69.
Tuesday... Partly cloudy with a slight chance of showers. Highs 89 to 94.
Tuesday Night... Partly cloudy. Lows 66 to 70.
Wednesday... Partly cloudy. A slight chance of showers in the afternoon. Highs 90 to 95.
Wednesday Night... Partly cloudy. Lows 66 to 70.
Thursday... Partly cloudy. A slight chance of showers in the afternoon. Highs 87 to 92.
Thursday Night... Mostly clear. Lows 63 to 67.
POP = Probability of Precipitation
La Mesa Radar Loop
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