Weather forecast for today
Mercersburg, PA

Weather forecast for today

Friday, May 2.

Partly Cloudy
6:08 am

8:08 pm
EDT
Partly Cloudy
84°F / 63°F
  • Wind: 12mph WSW
  • Humidity: 59%
  • Precip. probability: 20%
  • Precipitation: 0"
  • UV index: 7
On Friday, May 2, partly cloudy skies will persist, making for a mix of sun and clouds.
Temperatures are predicted to range from a maximum of a moderately hot 84.2°F to a minimum of a breezy 62.6°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a tropical 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
A high of 84.2°F is expected, which aligns better with June's average peak of 79.5°F than May's 71.2°F.
Sunrise was at 6:08 am and sunset will be at 8:08 pm; the daylight will last for 14h and 0min.

Current condition

Partly Cloudy
6:11 am EDT
Partly Cloudy
  • 63°F
  • Feels like: 63°F
  • Wind: 4mph SW
  • Humidity: 85%
  • Dewpoint: 57°F
  • Pressure: 29.88"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 0
At the moment, occasional clouds are rolling in, but they are not blocking out the sun entirely.
The temperature is a breezy 62.6°F. The current temperature is at the minimum expected for today.

Frequently asked questions

What is the current temperature?
Currently (6:11 am EDT) it is 62.6°F in Mercersburg.
What is the weather forecast for Mercersburg for today?
Today, sunlight and clouds will take turns dominating the sky.
What will be the highest temperature today?
Today, the maximum temperature will be 84.2°F, while the minimum temperature will be 62.6°F. The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at 87.8°F.
The highest temperature will be significantly higher than the average maximum of 71.2°F in May. The lowest temperature will be also significantly higher than the average low of 51.4°F.
When are sunrise and sunset today in Mercersburg?
On Friday, in Mercersburg, sunrise was at 6:08 am and sunset will be at 8:08 pm (EDT).
How long is the day today?
In Mercersburg, the length of the day today will be 14h and 0min.

Hourly weather forecast

7 am
  • 63°F
  • Feels like:
    63°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph SW
  • Pressure: 29.88"Hg
  • Humidity: 84%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph SW
  • Pressure: 29.88"Hg
  • Humidity: 82%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
9 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 73%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 62%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 55%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 79°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 51%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 46%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 43%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 82°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 40%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 39%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph W
  • Pressure: 29.83"Hg
  • Humidity: 40%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SW
  • Pressure: 29.83"Hg
  • Humidity: 40%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 44%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 50%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:08 pm
9 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph W
  • Pressure: 29.83"Hg
  • Humidity: 57%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph W
  • Pressure: 29.85"Hg
  • Humidity: 61%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph W
  • Pressure: 29.85"Hg
  • Humidity: 66%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Today, primarily dull and occasionally dry and sunny weather is anticipated.
The temperature will be between the lowest temperature of 62.6°F and the highest temperature of 82.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will be more close to what’s typical for June than the usual maximum in May. The expected low will be also more close to what’s common in June than the current May average of 51.4°F.
Updated: May 2, 2025 @ 10:11:06 UTC
Published by: Weather U.S. | 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: 6:11am EDT
  • Sunrise: 6:08 am EDT
  • Sunset: 8:08 pm EDT
  • Timezone: America/New_York
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