Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

73°F

23°C

Humidity 76%
Wind Speed Calm
Barometer 30.13 in (1019.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 7:53 am EDT
Extended Forecast for

2 Miles WNW Unionville NY

Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: Mostly sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 96. Heat index values as high as 103. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 87. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 72. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 96. Heat index values as high as 103. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 77. West wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Unionville NY
 41.31°N 74.6°W (Elev. 604 ft)
7:45 am EDT Jun 21, 2025
8am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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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