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.

71°F

22°C

Humidity 68%
Wind Speed NA
Barometer 29.93 in (1012.9 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 14 Apr 9:54 pm EDT
Extended Forecast for

Portland PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.9°N 75.09°W (Elev. 413 ft)
Last Update:
6:17 pm EDT Apr 14, 2026
Forecast Valid:
10pm EDT Apr 14, 2026-6pm EDT Apr 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