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.

55°F

13°C

Humidity 74%
Wind Speed N 3 mph
Barometer 30.13 in (1019.8 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Oct 4:54 am EDT
Extended Forecast for

Portland PA

  • Today

    Today: Mostly sunny, with a high near 64. North wind around 5 mph becoming calm in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 52. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 5pm. High near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 51. North wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. North wind around 5 mph becoming calm in the afternoon.
Tonight
Showers, mainly after midnight. Low around 52. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 5pm. High near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 51. North wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 32.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 64.
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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 EDT Oct 15, 2026
Forecast Valid:
4am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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