Mercersburg Weather Today

Q: What is the climatic condition of Mercersburg today?

Climate Conditions in Mercersburg shows Clear Sky today.

Q: What is the wind speed in Mercersburg today?

Wind speed in Mercersburg is 7.42 km/h.

Q: What does it feel like in Mercersburg today?

It feels like 15° in Mercersburg today.

Daily Weather Forecast & Temperature in Mercersburg

15°

clear sky

H: 17° L: 14°

Feels like 15°

AQI: (/5)

Mercersburg

Weather Updated Apr 15, 2026 3:37 PM

Humidity

98%

Dew 15°

Wind speed

7.42 km/h

Pressure

1014 hPa

Visibility

10 km

High Humidity

Humidity is 98%. May feel uncomfortable.

Weather Summary

Currently in Mercersburg, expect varied conditions with mild temperatures around 15°. Winds are a light breeze. High humidity may make it feel uncomfortable.

Daily Weather Forecast

Precipitation Probability

95%

20%

Evolution

Daily Weather Forecast Evolution (°C)

Lowest temperature

Highest temperature

Temperature Forecast (48h)

19°

Wed
08:00

26°

31°

27°

Wed
20:00

20°

18°

19°

Thu
08:00

24°

29°

21°

Thu
20:00

17°

15°

16°

Hot (≥30°)

Warm

Cool

Cold (<0°)

Weather Map

Sun & Moon

Sunrise

06:33

Sunset

19:49

Moon Phase

Waning Crescent (1%)

Timezone: GMT+05:30

Last updated: Apr 15, 2026 3:37 PM · Data refreshes every 5 min

Location Info

Latitude

39.827869

Longitude

-77.903328

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More about Mercersburg

Content curated by the NearWeather editorial team · Updated periodically

Mercersburg is a borough in Franklin County, Pennsylvania, United States. It is located in the Cumberland Valley, a large valley between the Appalachian and Allegheny Mountains. The climate in Mercersburg is humid continental, with cold, snowy winters and hot, humid summers. The average temperature year-round is 46°F (8°C). In the winter, temperatures average around 33°F (1°C) during the day and 21°F (-6°C) at night. In the summer, the average temperature is around 73°F (23°C) during the day and 56°F (13°C) at night. Precipitation is moderate throughout the year, averaging around 37 inches (93 cm).

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.

FAQ's about Mercersburg

What is the Latitude and Longitude of Mercersburg?

Mercersburg's Latitude is 39.827869 & Longitude is -77.903328.

What is the weather in Mercersburg today?

Weather in Mercersburg is 15° today.

What is the climatic condition of Mercersburg today?

Climate Conditions in Mercersburg shows clear sky today.

What is the humidity in Mercersburg today?

Humidity in Mercersburg is 98% today.

What is the wind speed in Mercersburg today?

Wind speed in Mercersburg is 7.42 km/h, flowing at 140° SE wind direction.

What does it feel like in Mercersburg today?

It feels like 15° in Mercersburg today, with 0% cloud cover and 10 km visibility.

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