Summer Heat In Multiple Spots

A large dome of high pressure is expected to deliver summer heat with humidity in multiple sections of the country to start off the week. Excessive heat warnings and heat advisories are in effect across the south-central Plains, Mid to Lower Mississippi Valley and from the Mid-Atlantic into the Northeast. This includes the cities of New York, Philadelphia, Dallas, Oklahoma City and Kansas City. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

71°F

22°C

Humidity 87%
Wind Speed W 5 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 11:53 pm EDT
Extended Forecast for

3 Miles NW Mercersburg PA

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 70. Light south wind.

    Patchy Fog

    Low: 70 °F

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Fog
    then Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 73. West wind 3 to 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Partly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Partly sunny and hot, with a high near 92. Light and variable wind.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light south wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 69 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 91. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    T-storms
    Likely

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 72 °F

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 86. Chance of precipitation is 40%.

    Chance
    Showers

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Light south wind.
Monday
A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. West wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 92. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
3 Miles NW Mercersburg PA
 39.87°N 77.93°W (Elev. 686 ft)
10:49 pm EDT Aug 18, 2019
12am EDT Aug 19, 2019-6pm EDT Aug 24, 2019
 
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Additional Resources

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Hourly Weather Forecast

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