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

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

69°F

21°C

Humidity 68%
Wind Speed Vrbl 6 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 17 Apr 3:54 pm EDT
Extended Forecast for

Stillwater NJ

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind around 5 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Increasing clouds, with a low around 42. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 55. Calm wind becoming northwest around 5 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind around 5 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 53. Calm wind.
Saturday
Mostly sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 42. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 2pm. High near 55. Calm wind becoming northwest around 5 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 72.
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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:
4:10 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 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