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Knight Lake, PA Weather Forecast
Knight Lake, PA Weather Forecast Date: 400 AM EDT Sun Aug 09 2026
The area/counties/county of: Western Montgomery, including the cities of: Collegeville and Pottstown.or toggle through each period.
Today... Patchy fog this morning. Sunny, hot with highs around 90. West winds 5 to 10 mph.
Tonight... Mostly clear. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable.
Monday... Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 50%.
Monday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows around 70. West winds 5 to 10 mph. Chance of rain 50%.
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 50%.
Tuesday Night... Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50%.
Wednesday... Partly sunny. A chance of showers in the afternoon. Hot with highs in the mid 80s. Chance of rain 40%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 40%.
Thursday... Mostly sunny. Hot with highs in the mid 80s.
Thursday Night... Mostly cloudy. Lows in the lower 60s.
Friday... Mostly sunny. Highs in the lower 80s.
Friday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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