Weather forecast for today
Mercersburg, PA

Weather forecast for today

Friday, May 23.

AM Rain
5:48 am

8:28 pm
EDT
AM Rain
63°F / 48°F
  • Wind: 17mph W
  • Humidity: 55%
  • Precip. probability: 94%
  • Precipitation: 0.04"
  • UV index: 7
Today, in Mercersburg, occasional morning showers are expected before the weather changes.
Minimal precipitation is forecasted. Temperature is anticipated to swing from a high of a breezy 62.6°F to a low of a frosty 48.2°F.
Expect temperatures to match April's average maximum of 61.2°F rather than May's 71.2°F.
Sunrise was at 5:48 am and sunset will be at 8:28 pm; the daylight will last for 14h and 40min.

Current condition

Showers in the Vicinity
9:42 am EDT
Showers in the Vicinity
  • 55°F
  • Feels like: 52°F
  • Wind: 12mph W
  • Humidity: 70%
  • Dewpoint: 46°F
  • Pressure: 29.87"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 2
At the moment, rain showers are developing over the nearby landscape.
The temperature is a moderate 55.4°F, with the apparent temperature being evaluated at a fresh 51.8°F. The current temperature is a few degrees off the maximum of 62.6°F for the day.

Frequently asked questions

What is the temperature now?
At 9:42 am EDT, the temperature is 55.4°F.
What is the weather forecast for Mercersburg for today?
On Friday, light to moderate rain is possible in the morning.
Will it rain today in Mercersburg?
There is a high probability of rainfall. Precipitation will be minimal.
What will be the maximum temperature today?
Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 48.2°F.
The highest temperature will be moderately lower than the average maximum of 71.2°F in May. The lowest temperature will be in line with the average low of 51.4°F.
What time are sunrise and sunset today?
On Friday, in Mercersburg, sunrise was at 5:48 am and sunset will be at 8:28 pm (EDT).
How many hours of daylight will Mercersburg have today?
In Mercersburg, the length of the day today will be 14h and 40min.

Hourly weather forecast

10 am
  • 57°F
  • Feels like:
    54°F
Few Showers
Few Showers
  • Wind: 12mph WNW
  • Pressure: 29.85"Hg
  • Humidity: 68%
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Visibility: 10mi
11 am
  • 57°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Wind: 13mph W
  • Pressure: 29.85"Hg
  • Humidity: 65%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 59°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Wind: 14mph W
  • Pressure: 29.85"Hg
  • Humidity: 60%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 61°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph W
  • Pressure: 29.85"Hg
  • Humidity: 54%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph W
  • Pressure: 29.85"Hg
  • Humidity: 49%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 63°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph W
  • Pressure: 29.88"Hg
  • Humidity: 46%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 61°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph WNW
  • Pressure: 29.88"Hg
  • Humidity: 45%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph WNW
  • Pressure: 29.88"Hg
  • Humidity: 46%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph WNW
  • Pressure: 29.88"Hg
  • Humidity: 45%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 61°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph WNW
  • Pressure: 29.91"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.94"Hg
  • Humidity: 53%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:28 pm
9 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WNW
  • Pressure: 29.94"Hg
  • Humidity: 57%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph WNW
  • Pressure: 29.97"Hg
  • Humidity: 59%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 54°F
  • Feels like:
    50°F
Mostly Clear
Mostly Clear
  • Wind: 7mph W
  • Pressure: 29.97"Hg
  • Humidity: 62%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Today, primarily gloomy and occasionally rain-soaked weather is expected.
With a probability of 30%, minimal rainfall is expected around 10 am.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 62.6°F. The warmest part of the day is anticipated around 3 pm.
The forecasted maximum is more in line with April's typical high of 61.2°F than the average for May. The temperature low is forecasted to be alike with the usual May value of 51.4°F.
Updated: May 23, 2025 @ 13:42:25 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate

Mercersburg, Pennsylvania, USA

  • en: Mercersburg, Pennsylvania, USA
  • es: Mercersburg, Pensilvania, EE.UU.
  • hr: Mersersberg, Pensilvanija, SAD
  • sr: Mersersberg, Pensilvanija, SAD
  • zh: 默瑟斯堡, 宾夕法尼亚, 美国
  • Latitude: 39.827870°
  • Longitude: -77.903331°
  • Elevation: 581 ft
  • Current time: 9:42am EDT
  • Sunrise: 5:48 am EDT
  • Sunset: 8:28 pm EDT
  • Timezone: America/New_York
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