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

Elmira, Elmira / Corning Regional Airport (KELM)

Lat: 42.16°NLon: 76.9°WElev: 955ft.

Mostly Cloudy

70°F

21°C

Humidity 61%
Wind Speed NE 10 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 6 Sep 11:53 am EDT
Extended Forecast for

Harkness PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. North wind around 8 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Labor Day

    Labor Day: Patchy fog between 7am and 10am. Otherwise, sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76. Light southwest wind.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

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

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers between 8am and 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. North wind around 8 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.
Labor Day
Patchy fog between 7am and 10am. Otherwise, sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76. Light southwest wind.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Showers likely before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
A chance of showers between 8am and 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harkness PA
 41.85°N 76.71°W (Elev. 1299 ft)
Last Update:
6:02 am EDT Sep 6, 2026
Forecast Valid:
12pm EDT Sep 6, 2026-6pm EDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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