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

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

66°F

19°C

Humidity 90%
Wind Speed Calm
Barometer 30.03 in (1016.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 11:53 pm EDT
Extended Forecast for

Johnson NY

Extreme Heat Watch June 22, 12:00pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

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

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 85 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 6 to 9 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Light west wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Monday Night

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

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 73. Light west wind.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnson NY
 41.33°N 74.53°W (Elev. 568 ft)
Last Update:
9:01 pm EDT Jun 20, 2025
Forecast Valid:
12am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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