Duncan, PA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Duncan, PA in one place.
A slight chance of rain showers between 10am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 2 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Duncan, 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: Aug 5, 2026 8:50 PM EDT.
The active forecast window currently covers Aug 6 to Aug 12, 2026 for Duncan, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 6 to Aug 12, 2026
- Latest sync
- Aug 5, 2026 8:50 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncan
Thursday looks like the warmest upcoming period in Duncan at 83 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 10 mph W.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 5, 2026 8:50 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 sourceExtended Forecast
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers between 8am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. Southwest wind around 3 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers between 8am and 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 81.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Aug 6
|
Slight Chance Showers And Thunderstorms
|
83°F |
2 to 6 mph
S
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
SW
|
|
Friday
Aug 7
|
Showers And Thunderstorms
|
82°F |
0 to 5 mph
SW
|
|
Friday Night
Aug 7
|
Showers And Thunderstorms
|
64°F |
3 mph
SW
|
|
Saturday
Aug 8
|
Showers And Thunderstorms Likely
|
80°F |
3 to 9 mph
SW
|
|
Saturday Night
Aug 8
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
63°F |
5 to 8 mph
W
|
|
Sunday
Aug 9
|
Slight Chance Rain Showers
|
81°F |
5 to 8 mph
W
|
|
Sunday Night
Aug 9
|
Chance Showers And Thunderstorms
|
62°F |
3 to 7 mph
SW
|
|
Monday
Aug 10
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
81°F |
3 to 9 mph
SW
|
|
Monday Night
Aug 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
64°F |
5 to 8 mph
SW
|
|
Tuesday
Aug 11
|
Showers And Thunderstorms Likely
|
78°F |
7 to 10 mph
W
|
|
Tuesday Night
Aug 11
|
Showers And Thunderstorms Likely
|
60°F |
3 to 9 mph
NW
|
|
Wednesday
Aug 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
3 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncan.