17261 Weather (South Mountain, PA)

Weather forecast for: South Mountain PA

Last Update: 9:13 am EDT Oct 4, 2026

Today: Occasional sprinkles with a chance of light rain. Cloudy, with a high near 61. East wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Mostly cloudy, with a low around 51. Calm wind becoming west around 5 mph after midnight.

Monday: Mostly sunny, with a high near 63. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

Monday Night: Clear, with a low around 39. Northwest wind around 6 mph.

Tuesday: Sunny, with a high near 59. Calm wind.

Tuesday Night: Clear, with a low around 41.

Wednesday: Sunny, with a high near 67.

Wednesday Night: Mostly clear, with a low around 48.

Thursday: Sunny, with a high near 69.

Thursday Night: Mostly clear, with a low around 48.

Friday: Sunny, with a high near 68.

Friday Night: Partly cloudy, with a low around 48.

Saturday: Mostly sunny, with a high near 64.