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City of La Mesa, CALa Mesa, CA 7-Day Weather Forecast
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La Mesa Weather Forecast
La Mesa, CA Weather Forecast Date: 1205 PM PDT Wed Sep 02 2026
Weather forecast for La Mesa, CA
Tonight Lo: 58°F Lo: 14°C |
Tonight... Mostly clear. Lows 55 to 60. Areas of winds west to 10 mph this evening becoming light. |
Thu Hi: 83°FHi: 28°C Lo: 58°F Lo: 14°C |
Thursday... Mostly sunny. Highs 80 to 85. Areas of winds west to 10 mph...Becoming 10 to 15 mph in the afternoon. |
Fri Hi: 84°FHi: 29°C Lo: 64°F Lo: 18°C |
Friday... Partly cloudy in the morning...Becoming sunny. Highs 81 to 86. Light winds becoming west 10 mph in the afternoon. |
Sat Hi: 87°FHi: 31°C Lo: 68°F Lo: 20°C |
Saturday... Partly cloudy in the morning...Becoming mostly cloudy. A chance of showers. Highs 84 to 89. |
Sun Hi: 87°FHi: 31°C Lo: 68°F Lo: 20°C |
Sunday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs 84 to 89. |
| Labor Day Hi: 87°FHi: 31°C Lo: 66°F Lo: 19°C |
Labor Day... Partly cloudy with a slight chance of showers. Highs 84 to 89. |
| Tue Hi: 87°FHi: 31°C Lo: 66°F Lo: 19°C |
Tuesday... Partly cloudy in the morning...Becoming mostly sunny. Highs 84 to 89. |
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