Duncannon, PA Weather Forecast

Local 7-day forecast

75°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Duncannon, PA in one place.

Sunday, May 31, 2026
Wind: 1 to 6 mph NW
Sunday

Sunny, with a high near 75. Northwest wind 1 to 6 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Duncannon, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 9:26 PM EDT.

The active forecast window currently covers May 31 to Jun 6, 2026 for Duncannon, PA.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 6, 2026
Latest sync
May 30, 2026 9:26 PM EDT
Forecast office
CTP
Source
NOAA / NWS
Next High
75°F
Sunday
Next Low
52°F
Sunday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
2 to 8 mph
Saturday

Daily Outlook

Today
May 31
Sunny
75 °F
/ 52°F
Wind 1 to 6 mph
Mon
Jun 1
Sunny
75 °F
/ 52°F
Wind 1 to 7 mph
Tue
Jun 2
Sunny then Slight Chance Showers And Thunderstorms
73 °F
/ 51°F
Wind 1 to 7 mph
Wed
Jun 3
Mostly Sunny
75 °F
/ 53°F
Wind 2 to 6 mph
Thu
Jun 4
Slight Chance Rain Showers then Sunny
81 °F
/ 58°F
Wind 1 to 5 mph
Fri
Jun 5
Mostly Sunny
87 °F
/ 63°F
Wind 1 to 7 mph
Sat
Jun 6
Mostly Sunny then Chance Showers And Thunderstorms
87 °F
Wind 2 to 8 mph

This Week in Duncannon

Friday looks like the warmest upcoming period in Duncannon at 87 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Saturday at about 2 to 8 mph W.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 9:26 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
CTP
Radar station
KCCX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
May 31
52°F
Mostly Clear
0 to 5 mph W

Mostly clear, with a low around 52. West wind 0 to 5 mph.

Monday
Jun 1
75°F
Sunny
1 to 7 mph N

Sunny, with a high near 75. North wind 1 to 7 mph.

Monday Night
Jun 1
52°F
Mostly Clear
1 to 6 mph NE

Mostly clear, with a low around 52. Northeast wind 1 to 6 mph.

Tuesday
Jun 2
73°F
Sunny then Slight Chance Showers And Thunderstorms
1 to 7 mph NE

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 73. Chance of precipitation is 20%.

Tuesday Night
Jun 2
51°F
Slight Chance Showers And Thunderstorms then Mostly Clear
2 to 6 mph N

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 51.

Wednesday
Jun 3
75°F
Mostly Sunny
2 to 6 mph N

Mostly sunny, with a high near 75.

Wednesday Night
Jun 3
53°F
Mostly Clear then Slight Chance Rain Showers
1 to 5 mph N

A slight chance of rain showers after 2am. Mostly clear, with a low around 53.

Thursday
Jun 4
81°F
Slight Chance Rain Showers then Sunny
1 to 5 mph N

A slight chance of rain showers before 8am. Sunny, with a high near 81.

Thursday Night
Jun 4
58°F
Mostly Clear
1 to 5 mph W

Mostly clear, with a low around 58.

Friday
Jun 5
87°F
Mostly Sunny
1 to 7 mph NW

Mostly sunny, with a high near 87.

Friday Night
Jun 5
63°F
Partly Cloudy
2 to 7 mph W

Partly cloudy, with a low around 63.

Saturday
Jun 6
87°F
Mostly Sunny then Chance Showers And Thunderstorms
2 to 8 mph W

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Sunny
75°F
1 to 6 mph
NW
Sunday Night
May 31
Mostly Clear
52°F
0 to 5 mph
W
Monday
Jun 1
Sunny
75°F
1 to 7 mph
N
Monday Night
Jun 1
Mostly Clear
52°F
1 to 6 mph
NE
Tuesday
Jun 2
Sunny then Slight Chance Showers And Thunderstorms
73°F
1 to 7 mph
NE
Tuesday Night
Jun 2
Slight Chance Showers And Thunderstorms then Mostly Clear
51°F
2 to 6 mph
N
Wednesday
Jun 3
Mostly Sunny
75°F
2 to 6 mph
N
Wednesday Night
Jun 3
Mostly Clear then Slight Chance Rain Showers
53°F
1 to 5 mph
N
Thursday
Jun 4
Slight Chance Rain Showers then Sunny
81°F
1 to 5 mph
N
Thursday Night
Jun 4
Mostly Clear
58°F
1 to 5 mph
W
Friday
Jun 5
Mostly Sunny
87°F
1 to 7 mph
NW
Friday Night
Jun 5
Partly Cloudy
63°F
2 to 7 mph
W
Saturday
Jun 6
Mostly Sunny then Chance Showers And Thunderstorms
87°F
2 to 8 mph
W
Duncannon  PA
Duncannon PA image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.