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.

42°F

6°C

Humidity 40%
Wind Speed NA
Barometer 30.38 in (1029.5 mb)
Dewpoint 19°F (-7°C)
Visibility NA
Last update 15 Mar 1:54 pm EDT
Extended Forecast for

Andover NJ

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 45. Southeast wind around 10 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, with thunderstorms also possible after 5am. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. Some of the storms could be severe. High near 63. South wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 28. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 28 °F

    Severe
    Thunderstorms
    and Breezy
    then
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 45. Southeast wind around 10 mph.
Tonight
Rain, with thunderstorms also possible after 5am. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. Some of the storms could be severe. High near 63. South wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 28. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Andover NJ
 40.95°N 74.73°W (Elev. 948 ft)
Last Update:
12:58 pm EDT Mar 15, 2026
Forecast Valid:
2pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation