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.

47°F

8°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.26 in (1025.4 mb)
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 3 Apr 10:54 am EDT
Extended Forecast for

Portland PA

  • Today

    Today: Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind 5 to 10 mph.

    High: 70 °F

    Patchy Fog

  • Tonight

    Tonight: A slight chance of showers before 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly between 8am and 2pm. High near 67. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    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%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind 5 to 10 mph.
Tonight
A slight chance of showers before 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, mainly between 8am and 2pm. High near 67. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 54.
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 54.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 64.
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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:
10:15 am EDT Apr 3, 2026
Forecast Valid:
11am EDT Apr 3, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation