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.

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 29.82 in (1010.2 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 8 Mar 12:54 am EDT
Extended Forecast for

Portland PA

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 46. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 65. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 46. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 65. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Thursday
Showers likely before 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 52.
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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:
4:09 pm EST Mar 7, 2026
Forecast Valid:
12am EST Mar 8, 2026-6pm EDT Mar 14, 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