Weather forecast for 10 days
Mercersburg, PA

Weather forecast for the weekend

Saturday, May 3.

Partly Cloudy
6:07 am

8:09 pm
EDT
Partly Cloudy
68°F / 48°F
  • Wind: 14mph WNW
  • Humidity: 51%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Saturday, May 3, clouds and sunshine will create a dynamic sky throughout the day.
The highest anticipated temperature is an agreeable 68°F, while the lowest temperature will be a chilly 48.2°F.
The temperature will be higher and more consistent with May's average high of 71.2°F than with April's usual.
Sunrise will be at 6:07 am and sunset at 8:09 pm; the daylight will last for 14h and 2min.

Sunday, May 4.

Sunny
6:06 am

8:10 pm
EDT
Sunny
70°F / 48°F
  • Wind: 11mph NW
  • Humidity: 42%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 8
On Sunday, May 4, uninterrupted sunshine is anticipated.
Expected temperature values will span from a delightful 69.8°F down to a chilly 48.2°F.
It will be warmer, as the maximum temperature reflects May's norm of 71.2°F instead of April's.
Sunrise will be at 6:06 am and sunset at 8:10 pm; the daylight will last for 14h and 4min.

Frequently asked questions

What is the weather forecast for Mercersburg for Saturday?
On Saturday, thin clouds will pass through at times, but overall, it will remain bright.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 68°F, while the lowest temperature will be 48.2°F.
What is the weather forecast for Mercersburg for Sunday?
On Sunday, skies are expected to be clear and full of sunshine.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 69.8°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Mercersburg for the next ten days?
In Mercersburg, weather will be unstable, and a combination of sunny, dull, damp and storm-filled weather is predicted for the next ten days.
Will it rain in the next ten days?
With light precipitation of 0.24", rainfall is forecasted for Thursday and Friday in Mercersburg.
How hot will it be in the next ten days?
The maximum temperature will range between 68°F and 87.8°F, as the minimum temperature will be between 48.2°F and 66.2°F.
What will be the hottest and the coldest days?
The hottest day will be tomorrow, with a maximum of 87.8°F. The coldest day will be Saturday, with a maximum of 68°F.

Long-term weather forecast

MonApr 28.
  • 75°F
  • 52°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Humidity: 34%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:13 am 8:04 pm EDT
TueApr 29.
  • 88°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SSW
  • Humidity: 42%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:12 am 8:05 pm EDT
WedApr 30.
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NW
  • Humidity: 43%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:11 am 8:06 pm EDT
ThuMay 1.
  • 81°F
  • 64°F
PM Showers
PM Showers
  • Wind: 11mph SSE
  • Humidity: 50%
  • UV index: 7
  • Precip. probability: 43%
  • Precipitation: 0.24"
  • 6:09 am 8:07 pm EDT
FriMay 2.
  • 81°F
  • 59°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 13mph SW
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 39%
  • Precipitation: 0.24"
  • 6:08 am 8:08 pm EDT
SatMay 3.
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph WNW
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:07 am 8:09 pm EDT
SunMay 4.
  • 70°F
  • 48°F
Sunny
Sunny
  • Wind: 11mph NW
  • Humidity: 42%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:06 am 8:10 pm EDT
MonMay 5.
  • 75°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph N
  • Humidity: 42%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:05 am 8:11 pm EDT
TueMay 6.
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NNW
  • Humidity: 48%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 6:03 am 8:12 pm EDT
WedMay 7.
  • 77°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NW
  • Humidity: 52%
  • UV index: 7
  • Precip. probability: 17%
  • Precipitation: 0"
  • 6:02 am 8:13 pm EDT
An unsettled pattern is expected over the next ten days, and a mix of dry and sunny, gloomy, showery and stormy weather is predicted.
With light precipitation of 0.24", rainfall is expected on Thursday and Friday.
Noticeable swings in temperature are expected in the next ten days. Forecast highs will fluctuate between 68°F and 87.8°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 48.2°F up to 66.2°F.
Tuesday is expected to be the hottest, reaching up to 87.8°F; expect the coldest day on Saturday with a high of 68°F.
Updated: Apr 28, 2025 @ 11:00:48 UTC
Published by: Weather U.S. | About Us
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