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.

Mostly Cloudy

82°F

28°C

Humidity 56%
Wind Speed S 3 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 11:53 am EDT
Extended Forecast for

3 Miles SSW Unionville NY

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

    This Afternoon: Partly sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °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 76. Calm wind.

    Low: 76 °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 100.

    High: 100 °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 94. Chance of precipitation is 30%.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 71. 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 76. Calm wind.
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 100.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Unionville NY
 41.25°N 74.58°W (Elev. 505 ft)
7:45 am EDT Jun 21, 2025
12pm 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