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.

44°F

7°C

Humidity 85%
Wind Speed Calm
Barometer 30.42 in (1030.6 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 2 Apr 2:54 pm EDT
Extended Forecast for

Portland PA

  • This Afternoon

    This Afternoon: A slight chance of showers. Patchy fog. Otherwise, cloudy, with a high near 49. East wind around 5 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers, mainly between 9pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Widespread dense fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Dense Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Patchy fog. Otherwise, cloudy, with a high near 49. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly between 9pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Widespread dense fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, mainly before 2pm. High near 67. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 29.
Thursday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.93°N 75.08°W (Elev. 299 ft)
Last Update:
1:45 pm EDT Apr 2, 2026
Forecast Valid:
3pm EDT Apr 2, 2026-6pm EDT Apr 9, 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