



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.
Partly Cloudy
84°F
29°C
Humidity | 59% |
Wind Speed | Calm |
Barometer | 30.07 in (1018.0 mb) |
Dewpoint | 68°F (20°C) |
Visibility | 10.00 mi |
Heat Index | 87°F (31°C) |
Last update | 21 Jun 5:53 pm EDT |
Extended Forecast for
Unionville NY
Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
Tonight
Low: 70 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 93 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 70. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 100. West wind around 10 mph.
Sunday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 74.
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 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. 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 65. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Unionville NY
41.29°N 74.57°W (Elev. 699 ft)
41.29°N 74.57°W (Elev. 699 ft)
4:12 pm EDT Jun 21, 2025
6pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025