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

Hazardous Weather Conditions

Current conditions at

Ithaca Tompkins International Airport (KITH)

Lat: 42.49°NLon: 76.46°WElev: 1099ft.

Overcast

59°F

15°C

Humidity 81%
Wind Speed SE 9 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 11 Mar 8:56 am EDT
Extended Forecast for

Portland NY

  • Today

    Today: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 69. South wind 13 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms. Low around 33. South wind 16 to 18 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 37. Breezy, with a northwest wind around 21 mph.

    High: 37 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 2am. Partly cloudy, with a low around 27. West wind 6 to 14 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then rain showers likely after 2pm. Mostly cloudy, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 60%.

    High: 43 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: Rain showers likely before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 36. Breezy.

    High: 36 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 50%.

    High: 50 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 69. South wind 13 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms. Low around 33. South wind 16 to 18 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, with a high near 37. Breezy, with a northwest wind around 21 mph.
Thursday Night
A slight chance of snow showers before 2am. Partly cloudy, with a low around 27. West wind 6 to 14 mph. Chance of precipitation is 20%.
Friday
A chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then rain showers likely after 2pm. Mostly cloudy, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Rain showers likely before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 36. Breezy.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 50%.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 39. Windy. Chance of precipitation is 70%.
Monday
Rain and snow likely. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland NY
 42.51°N 76.52°W (Elev. 384 ft)
Last Update:
8:31 am EDT Mar 11, 2026
Forecast Valid:
9am EDT Mar 11, 2026-6pm EDT Mar 17, 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