National Weather Service forecast

Mercersburg, Pennsylvania Weather

50°Overnight: Patchy Fog
Wind S 1 mph
7-DayHourlyRadar

Mercersburg 7-Day Forecast

  1. Overnight
    50°F
    Patchy Fog

    Patchy fog after 5am. Mostly clear, with a low around 50. South wind around 1 mph.

  2. Wednesday
    75°F
    Patchy Fog then Mostly Sunny
    1% chance of precipitation

    Patchy fog before 8am. Mostly sunny, with a high near 75. South wind 0 to 13 mph, with gusts as high as 21 mph.

  3. Wednesday Night
    61°F
    Light Rain
    94% chance of precipitation

    Rain after 10pm. Cloudy, with a low around 61. South wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  4. Thursday
    76°F
    Light Rain Likely
    58% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 76. South wind 3 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

  5. Thursday Night
    54°F
    Slight Chance Light Rain then Mostly Cloudy
    19% chance of precipitation

    A slight chance of rain before 7pm. Mostly cloudy, with a low around 54. West wind around 2 mph. Chance of precipitation is 20%.

  6. Friday
    69°F
    Slight Chance Light Rain
    17% chance of precipitation

    A slight chance of rain between 7am and 1pm. Partly sunny, with a high near 69. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  7. Friday Night
    46°F
    Partly Cloudy
    10% chance of precipitation

    Partly cloudy, with a low around 46.

  8. Saturday
    60°F
    Mostly Sunny
    12% chance of precipitation

    Mostly sunny, with a high near 60.

  9. Saturday Night
    38°F
    Partly Cloudy
    11% chance of precipitation

    Partly cloudy, with a low around 38.

  10. Sunday
    59°F
    Mostly Sunny
    4% chance of precipitation

    Mostly sunny, with a high near 59.

  11. Sunday Night
    37°F
    Mostly Clear
    3% chance of precipitation

    Mostly clear, with a low around 37.

  12. Monday
    59°F
    Sunny
    4% chance of precipitation

    Sunny, with a high near 59.

  13. Monday Night
    35°F
    Mostly Clear
    4% chance of precipitation

    Mostly clear, with a low around 35.

  14. Tuesday
    64°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 64.

Issued by the National Weather Service (CTP office), updated .

Mercersburg Hourly Forecast

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About Mercersburg

Population (2020 Census)
1,507
Coordinates
39.832, -77.903
Elevation
600 ft
NWS forecast office
CTP
Time zone
America/New York
Sunrise today
6:43 AM EST
Sunset today
5:06 PM EST
Daylight today
10 h 23 min

Mercersburg Weather Questions

What is the weather forecast for Mercersburg, Pennsylvania?

Overnight: Patchy fog after 5am. Mostly clear, with a low around 50. South wind around 1 mph. Wednesday: Patchy fog before 8am. Mostly sunny, with a high near 75. South wind 0 to 13 mph, with gusts as high as 21 mph.

Will it rain or snow in Mercersburg this week?

The best chance of precipitation is Wednesday Night at 94%. Periods with a 30% chance or more: Wednesday Night (94%), Thursday (58%).

How warm and how cold will it get in Mercersburg this week?

The warmest day is Thursday, with a high near 76°F. The coldest night is Monday Night, with a low near 35°F.

What time are sunrise and sunset in Mercersburg today?

Sunrise is at 6:43 AM EST and sunset is at 5:06 PM EST, for 10 h 23 min of daylight.

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