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

Hazardous Weather Conditions

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

A Few Clouds

67°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.05 in (1017.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 May 4:54 am EDT
Extended Forecast for

Portageville NY

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm. Partly sunny, with a high near 86. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 57. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 66. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Northwest wind 3 to 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58. Northeast wind around 6 mph.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Northeast wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 64. East wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm. Partly sunny, with a high near 86. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Low around 57. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 66. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 39. Northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 58. Northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 40. Northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 64. East wind 3 to 8 mph. Chance of precipitation is 30%.
Friday Night
Showers, mainly after 8pm. Low around 46. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 62. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 51.
Memorial Day
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portageville NY
 42.53°N 78.1°W (Elev. 1401 ft)
Last Update:
3:57 am EDT May 19, 2026
Forecast Valid:
5am EDT May 19, 2026-6pm EDT May 25, 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