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.

38°F

3°C

Humidity 60%
Wind Speed Vrbl 7 G 17 mph
Barometer 29.77 in (1009.0 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 13 Mar 9:54 pm EDT
Extended Forecast for

Portland PA

  • Tonight

    Tonight: A chance of showers, mainly before 11pm. Partly cloudy, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. 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

  • Saturday

    Saturday: Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 40 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 50. Light east wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 50 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 39. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 65. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow
    then Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 11pm. Partly cloudy, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 40 mph.
Saturday Night
Increasing clouds, with a low around 30. Calm wind.
Sunday
Cloudy, with a high near 50. Light east wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain, mainly after 2am. Low around 39. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 65. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%.
Tuesday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Cloudy, with a low around 25.
Thursday
Cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.93°N 75.08°W (Elev. 299 ft)
Last Update:
9:46 pm EDT Mar 13, 2026
Forecast Valid:
10pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation