7-Day Zone Forecast for San Diego County Mountains (Text-Only)
NWS Forecast for: San Diego County Mountains
Issued by: National Weather Service San Diego, CA
Last Update: 516 PM PDT Tue Aug 25 2026




Tonight: Mostly clear. Lows 67 to 77. Areas of winds west 10 mph with gusts to 25 mph becoming north overnight.

Wednesday: Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 92 to 100. Areas of winds northwest 10 to 15 mph. Gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent.

Wednesday Night: Partly cloudy. Lows 69 to 79. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight.

Thursday: Partly cloudy. Highs 93 to 101. Areas of winds west to 10 mph...becoming 10 to 15 mph in the afternoon.

Thursday Night: Partly cloudy. Lows 68 to 78. Areas of winds west to 10 mph in the evening becoming light.

Friday: Partly cloudy. Highs 92 to 100.

Friday Night: Partly cloudy in the evening...becoming mostly clear. Lows 66 to 76.

Saturday: Mostly sunny. Highs 90 to 98.

Saturday Night: Mostly clear. Lows 63 to 73.

Sunday: Sunny. Highs 86 to 95.

Sunday Night: Mostly clear. Lows 59 to 69.

Monday: Mostly sunny. Highs 82 to 91.

Monday Night: Mostly clear. Lows 58 to 67.

Tuesday: Partly cloudy in the morning...becoming mostly sunny. Highs 81 to 90.







Zone Forecast: San Diego County Mountains

Visit your local NWS office at: https://www.weather.gov/sgx