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Slack, PA Weather Forecast
Slack, PA Weather Forecast Date: 400 AM EDT Sun Sep 20 2026
The area/counties/county of: Lower Bucks, including the cities of: Morrisville and Doylestown.or toggle through each period.
Today... Rain this morning, then a chance of rain with a slight chance of thunderstorms this afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain near 100%.
Tonight... Mostly cloudy. Rain with a slight chance of thunderstorms in the evening, then a slight chance of rain after midnight. Humid with lows in the upper 50s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 90%.
Monday... Partly sunny in the morning, then becoming cloudy. Highs around 70. Northeast winds 5 to 10 mph.
Monday Night... Cloudy with a 50% chance of showers. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Tuesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s. Northeast winds around 10 mph with gusts up to 25 mph.
Tuesday Night... Mostly cloudy with a 40% chance of showers. Lows around 50.
Wednesday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of rain 30%.
Thursday... Mostly cloudy with a 30% chance of showers. Highs in the lower 60s.
Thursday Night... Mostly cloudy with a 30% chance of showers. Lows around 50.
Friday... Partly sunny. A chance of showers in the morning. Highs in the mid 60s. Chance of rain 30%.
Friday Night... Mostly cloudy. Lows around 50.
POP = Probability of Precipitation
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