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

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

65°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 30.13 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 May 11:53 pm EDT
Extended Forecast for

Unionville NY

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Light southwest wind.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. Light southwest wind.
Tuesday
Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind around 7 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 49. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 67.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.29°N 74.57°W (Elev. 699 ft)
Last Update:
3:04 pm EDT May 17, 2026
Forecast Valid:
2am EDT May 18, 2026-6pm EDT May 24, 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