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.

65°F

18°C

Humidity 66%
Wind Speed S 3 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 31 Mar 11:54 pm EDT
Extended Forecast for

Portland PA

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 72. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms. Low around 45. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Cloudy, with a high near 49. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 72. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms. Low around 45. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 2pm. Cloudy, with a high near 49. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before 2am. Cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 73.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A chance of rain after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
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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:
4:11 pm EDT Mar 31, 2026
Forecast Valid:
12am EDT Apr 1, 2026-6pm EDT Apr 7, 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