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

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

36°F

2°C

Humidity 86%
Wind Speed Calm
Barometer 30.09 in (1019.6 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 19 Apr 10:54 pm EDT
Extended Forecast for

Stillwater NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Freeze Warning until April 20, 10:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  •  
    Freeze Warning until April 20, 10:00am

    NOW until 10:00am Mon

    Freeze Warning

  • Tonight

    Low: 33 °F

    Patchy Frost

  • Monday

    Monday: A slight chance of rain and snow showers before 9am. Patchy frost before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 26. Northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, increasing clouds, with a low around 33. Calm wind.
Monday
A slight chance of rain and snow showers before 9am. Patchy frost before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 26. Northwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stillwater NJ
 41.06°N 74.85°W (Elev. 499 ft)
Last Update:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
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