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Heart Lake, PA Weather Forecast
Heart Lake, PA Weather Forecast Date: 105 AM EDT Wed Aug 19 2026
The area/counties/county of: Susquehanna, including the cities of: Hallstead and Montrose.or toggle through each period.
Overnight... Partly cloudy. Areas of fog. Lows in the mid 50s. Light and variable winds.
Wednesday... Areas of fog in the morning. Partly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
Wednesday Night... Partly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northwest winds around 5 mph.
Thursday... Partly sunny in the morning, then becoming mostly cloudy. A 40% chance of showers. Highs in the upper 70s. North winds around 5 mph.
Thursday Night... Mostly clear. Lows in the lower 50s. North winds around 5 mph.
Friday... Mostly sunny. Highs around 80.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Partly sunny with a 50% chance of showers. Highs around 80.
Saturday Night... Showers likely. Lows in the upper 50s. Chance of rain 70%.
Sunday... Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70%.
Sunday Night... Mostly clear. Lows in the mid 50s.
Monday... Partly sunny. Highs in the upper 70s.
Monday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
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