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Flat Rock, PA Weather Forecast
Flat Rock, PA Weather Forecast Date: 752 PM EDT Thu Sep 24 2026
The area/counties/county of: Eastern Montgomery, including the cities of: Norristown and Lansdale.or toggle through each period.
Tonight... Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Friday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s. North winds 10 to 15 mph with gusts up to 25 mph.
Friday Night... Mostly cloudy. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph.
Saturday... Partly sunny in the morning, then becoming mostly cloudy. A 50% chance of showers. Highs in the upper 60s. North winds around 15 mph with gusts up to 30 mph.
Saturday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 60%.
Sunday... Showers likely. Highs in the upper 60s. Chance of rain 70%.
Sunday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 70%.
Monday... Partly sunny. Highs in the lower 70s.
Monday Night... Mostly cloudy. Lows in the upper 50s.
Tuesday... Mostly sunny. Highs in the mid 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs in the upper 70s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.
POP = Probability of Precipitation
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