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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

73°F

23°C

Humidity 74%
Wind Speed Vrbl 5 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Jul 7:56 am EDT
Extended Forecast for

3 Miles ESE Marysville PA

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming east around 6 mph in the morning.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. Light south wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming east around 6 mph in the morning.
Tonight
Mostly clear, with a low around 64. Southeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Clear, with a low around 64. Light south wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny and hot, with a high near 93.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Marysville PA
 40.32°N 76.89°W (Elev. 381 ft)
Last Update:
7:56 am EDT Jul 12, 2026
Forecast Valid:
8am EDT Jul 12, 2026-6pm EDT Jul 18, 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