Weather forecast for 10 days
Duncannon, PA

Weather forecast for the weekend

Saturday, May 17.

Partly Cloudy
5:47 am

8:21 pm
EDT
Partly Cloudy
84°F / 57°F
  • Wind: 14mph WSW
  • Humidity: 63%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 8
Today, expect partly sunny skies with periods of cloudiness.
The highest daytime temperature will touch a moderately hot 84.2°F, creating a significant contrast with the forecasted nighttime low of a moderate 57.2°F.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a hot 89.6°F. Note that heat index values are valued for light wind and location in the shade.
It will be hotter today, with temperatures aligning more closely with June's 78.3°F than May's 70.2°F.
Sunrise will be at 5:47 am and sunset at 8:21 pm; the daylight will last for 14h and 33min.

Sunday, May 18.

Mostly Cloudy
5:47 am

8:22 pm
EDT
Mostly Cloudy
72°F / 54°F
  • Wind: 16mph W
  • Humidity: 53%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 7
Tomorrow, in Duncannon, expect continuous cloudiness with subdued daylight.
The temperature will fluctuate from a high of a delightful 71.6°F to a low of a cool 53.6°F.
The expected high for tomorrow will reflect the normal May maximum of 70.2°F.
Sunrise will be at 5:47 am and sunset at 8:22 pm; tomorrow's daylight will last for 14h and 35min.

Frequently asked questions

What is the weather forecast for Duncannon for tomorrow?
Tomorrow, intermittent cloud layers may allow brief light, but overall it stays overcast.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 53.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in May. The lowest temperature tomorrow will be also in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Sunday, in Duncannon, sunrise will be at 5:47 am and sunset at 8:22 pm (EDT).
How many hours of daylight will Duncannon have tomorrow?
Tomorrow in Duncannon, Pennsylvania, the daylight will last for 14h and 35min.
What is the weather forecast for Duncannon for the next ten days?
In Duncannon, predominantly dull and occasionally rain-soaked weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Wednesday, Thursday and next Monday in Duncannon. Wednesday, with increased precipitation of 0.83", will be the day with the most rainfall.
How hot will it be in the next ten days in Duncannon?
The maximum temperature will range between 57.2°F and 84.2°F, while the minimum temperature will range between 48.2°F and 57.2°F.
What will be the hottest and the coldest days?
Today is the hottest day, with a maximum temperature of 84.2°F. Wednesday will be the coldest day, with a maximum temperature of 57.2°F.

Long-term weather forecast

SatMay 17.
  • 84°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph WSW
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:47 am 8:21 pm EDT
SunMay 18.
  • 72°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph W
  • Humidity: 53%
  • UV index: 7
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:47 am 8:22 pm EDT
MonMay 19.
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph NW
  • Humidity: 50%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:46 am 8:22 pm EDT
TueMay 20.
  • 70°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph N
  • Humidity: 46%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0.2"
  • 5:45 am 8:23 pm EDT
WedMay 21.
  • 57°F
  • 50°F
Rain
Rain
  • Wind: 12mph ESE
  • Humidity: 82%
  • UV index: 4
  • Precip. probability: 71%
  • Precipitation: 0.83"
  • 5:44 am 8:24 pm EDT
ThuMay 22.
  • 61°F
  • 50°F
Showers
Showers
  • Wind: 10mph NW
  • Humidity: 77%
  • UV index: 4
  • Precip. probability: 56%
  • Precipitation: 0.2"
  • 5:43 am 8:25 pm EDT
FriMay 23.
  • 63°F
  • 50°F
Cloudy
Cloudy
  • Wind: 12mph WNW
  • Humidity: 60%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:43 am 8:26 pm EDT
SatMay 24.
  • 68°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WNW
  • Humidity: 57%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:42 am 8:27 pm EDT
SunMay 25.
  • 72°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NW
  • Humidity: 55%
  • UV index: 8
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:41 am 8:28 pm EDT
MonMay 26.
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph ENE
  • Humidity: 55%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • 5:41 am 8:29 pm EDT
Ten-day trends indicate that primarily cloud-filled and occasionally rain-soaked weather is predicted.
Rainfall is expected on Wednesday, Thursday and next Monday.
The temperature will vary considerably in the upcoming period. Maximum temperatures are forecasted between 57.2°F and 84.2°F, while the lowest temperature will be between 48.2°F and 57.2°F.
The hottest day is today, with a maximum temperature of 84.2°F; the coldest day will be Wednesday, with a maximum of 57.2°F.
Updated: May 17, 2025 @ 09:20:59 UTC
Published by: Weather Atlas | About Us
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