17066 Weather (Mount Union, PA)

Weather forecast for: Mount Union PA

Last Update: 3:56 am EDT Sep 26, 2026

Today: Patchy fog before 10am. Otherwise, increasing clouds, with a high near 73. North wind 6 to 9 mph, with gusts as high as 21 mph.

Tonight: A slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 57. North wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Sunday: Rain, mainly after 2pm. High near 65. North wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night: Rain likely before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy, with a low around 58. North wind around 6 mph becoming calm after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Monday: Mostly cloudy, with a high near 70. Light northwest wind.

Monday Night: Mostly cloudy, with a low around 59.

Tuesday: Partly sunny, with a high near 74.

Tuesday Night: Partly cloudy, with a low around 56.

Wednesday: Mostly sunny, with a high near 77.

Wednesday Night: Mostly cloudy, with a low around 59.

Thursday: Partly sunny, with a high near 78.

Thursday Night: Mostly cloudy, with a low around 60.

Friday: A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.