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.

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.26 in (1025.7 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 7 Mar 4:54 am EST
Extended Forecast for

Portland PA

  • Overnight

    Overnight: A slight chance of rain. Areas of fog. Otherwise, cloudy, with a low around 35. Calm wind. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain and
    Areas Fog

  • Saturday

    Saturday: Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 48. Calm wind becoming south around 5 mph.

    High: 48 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly between 9pm and 1am. Cloudy, with a temperature rising to around 54 by 5am. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind around 5 mph becoming calm.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain. Areas of fog. Otherwise, cloudy, with a low around 35. Calm wind. Chance of precipitation is 20%.
Saturday
Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 48. Calm wind becoming south around 5 mph.
Saturday Night
Showers likely, mainly between 9pm and 1am. Cloudy, with a temperature rising to around 54 by 5am. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Cloudy, with a high near 72. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 58. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.91°N 75.12°W (Elev. 499 ft)
Last Update:
4:09 am EST Mar 7, 2026
Forecast Valid:
5am EST Mar 7, 2026-6pm EDT Mar 13, 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