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.

27°F

-3°C

Humidity 81%
Wind Speed Calm
Barometer 30.05 in (1018.8 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 13 Jan 1:54 am EST
Extended Forecast for

Delaware PA

  • Overnight

    Overnight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 44. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Light southwest wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a chance of rain after 1pm. Cloudy, with a high near 46. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Cloudy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then rain likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. Cloudy, with a low around 23. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 23 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 7am. Partly sunny, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Calm wind.
Tuesday
Increasing clouds, with a high near 44. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 34. Light southwest wind.
Wednesday
A slight chance of showers before 7am, then a chance of rain after 1pm. Cloudy, with a high near 46. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am, then rain likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. Cloudy, with a low around 23. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%.
Thursday
Snow likely, mainly before 7am. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delaware PA
 41.15°N 74.92°W (Elev. 535 ft)
Last Update:
12:33 am EST Jan 13, 2026
Forecast Valid:
2am EST Jan 13, 2026-6pm EST Jan 19, 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