National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Light Rain

69°F

21°C

Humidity 84%
Wind Speed W 10 G 21 mph
Barometer 29.69 in (1005.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Jun 12:56 am EDT
Extended Forecast for

3 Miles SE Mechanicsburg PA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 60. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 60. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Northwest wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 77. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 58. Light south wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Juneteenth
A chance of showers before 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mechanicsburg PA
 40.18°N 76.98°W (Elev. 577 ft)
Last Update:
12:11 am EDT Jun 15, 2026
Forecast Valid:
1am EDT Jun 15, 2026-6pm EDT Jun 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation