Weather in Duncannon, Pennsylvania, United States

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7-Day Detailed Weather Forecast for Duncannon

Tonight

Temperature: 71°F

Wind Speed: 1 to 5 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 71. Southeast wind 1 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Temperature: 90°F

Wind Speed: 1 to 7 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Heat index values as high as 101. West wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday Night

Temperature: 71°F

Wind Speed: 0 to 6 mph

Wind Direction: W

Forecast: A chance of rain showers. Mostly cloudy, with a low around 71. West wind 0 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday

Temperature: 87°F

Wind Speed: 1 to 7 mph

Wind Direction: NW

Forecast: A slight chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Northwest wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night

Temperature: 63°F

Wind Speed: 1 to 5 mph

Wind Direction: NW

Forecast: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 63. Northwest wind 1 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday

Temperature: 81°F

Wind Speed: 1 to 7 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 81.

Saturday Night

Temperature: 56°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 56.

Sunday

Temperature: 77°F

Wind Speed: 3 mph

Wind Direction: NE

Forecast: Sunny, with a high near 77.

Sunday Night

Temperature: 57°F

Wind Speed: 2 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 57.

Labor Day

Temperature: 79°F

Wind Speed: 0 to 3 mph

Wind Direction: SE

Forecast: Mostly sunny, with a high near 79.

Monday Night

Temperature: 59°F

Wind Speed: 2 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 59.

Tuesday

Temperature: 82°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 82.

Tuesday Night

Temperature: 61°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 61.

Wednesday

Temperature: 83°F

Wind Speed: 1 to 6 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 83.