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Borough of Duncannon, PADuncannon, PA 7-Day Night Weather Forecast
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Duncannon, PA Weather Forecast
Duncannon, PA Weather Forecast Date: 900 PM EDT Sun Aug 02 2026
The area/counties/county of: Perry, including the city of Newport.or toggle through each period.
Tonight... A chance of thunderstorms. Showers, mainly this evening. Lows in the upper 60s. South winds around 5 mph. Chance of rain near 100%.
Monday... Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the lower 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 20%.
Monday Night... Mostly cloudy. Humid with lows in the lower 60s. North winds around 5 mph.
Tuesday... Partly sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming east in the afternoon.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph in the evening, becoming light and variable.
Wednesday... Partly sunny. A chance of showers in the afternoon. Humid with highs in the lower 80s. Chance of rain 40%.
Wednesday Night... Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 40%.
Thursday... Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 70%.
Thursday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Humid with lows in the upper 60s. Chance of rain 70%.
Friday... Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 60%.
Friday Night... Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the upper 60s. Chance of rain 60%.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 50%.
Saturday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 50%.
POP = Probability of Precipitation
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