



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 >
Hazardous Weather Conditions
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 Index | 84°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
This Afternoon
High: 89 °F
Partly Sunny
Tonight
Low: 71 °F
Mostly Cloudy
Sunday
High: 96 °F
Partly Sunny
Sunday Night
Low: 76 °F
Partly Cloudy
Monday
High: 99 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 100 °F
Hot
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Unionville NY
41.25°N 74.58°W (Elev. 505 ft)
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