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

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Overcast

57°F

14°C

Humidity 78%
Wind Speed Calm
Barometer 30.16 in (1022.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 13 Oct 9:54 pm EDT
Extended Forecast for

Portageville NY

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. North wind around 5 mph.

    Low: 45 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind 5 to 8 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northwest wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. North wind 8 to 11 mph.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after midnight. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Areas of frost before 10am. Otherwise, sunny, with a high near 55. Northwest wind 6 to 10 mph.

    High: 55 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. North wind around 5 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 56. North wind 8 to 11 mph.
Wednesday Night
Patchy frost after midnight. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph.
Thursday
Areas of frost before 10am. Otherwise, sunny, with a high near 55. Northwest wind 6 to 10 mph.
Thursday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Light and variable wind.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portageville NY
 42.53°N 78.1°W (Elev. 1401 ft)
Last Update:
8:24 pm EDT Oct 13, 2025
Forecast Valid:
10pm EDT Oct 13, 2025-6pm EDT Oct 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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