Weather WorldSouth Mountain, PA 7-Day Weather Forecast
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South Mountain Weather Forecast
South Mountain, PA Weather Forecast Date: 600 PM EDT Sun Aug 09 2026
Weather forecast for South Mountain, PA
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly clear. Lows in the mid 60s. Northwest winds around 5 mph this evening, becoming light and variable. |
Mon Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50%. |
| Tue Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Tuesday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 60%. |
| Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 50%. |
Thu Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny. A chance of showers in the afternoon. Humid with highs in the mid 80s. Chance of rain 30%. |
Fri Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Highs around 80. |
| Sat Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Saturday... Mostly sunny. Highs in the upper 70s. |
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