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

Ithaca Tompkins International Airport (KITH)

Lat: 42.49°NLon: 76.46°WElev: 1099ft.

Overcast

59°F

15°C

Humidity 75%
Wind Speed W 9 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 7:56 am EDT
Extended Forecast for

Portland NY

  • Today

    Today: Mostly sunny, with a high near 70. Northwest wind 11 to 14 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 72. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 67. East wind around 7 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. Northwest wind 11 to 14 mph.
Tonight
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 72. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 67. East wind around 7 mph. Chance of precipitation is 90%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 74.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland NY
 42.51°N 76.52°W (Elev. 384 ft)
Last Update:
6:10 am EDT Jun 20, 2026
Forecast Valid:
8am EDT Jun 20, 2026-6pm EDT Jun 26, 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