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.

42°F

6°C

Humidity 82%
Wind Speed Vrbl 3 mph
Barometer 30.41 in (1030.4 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 2 Apr 6:54 pm EDT
Extended Forecast for

Portland PA

  • Tonight

    Tonight: Patchy drizzle and fog with a chance of showers before 8pm, then patchy drizzle between 8pm and 9pm, then patchy drizzle with a chance of showers after 9pm. Cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Widespread dense fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Dense Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly 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

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 68. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °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

Detailed Forecast

Tonight
Patchy drizzle and fog with a chance of showers before 8pm, then patchy drizzle between 8pm and 9pm, then patchy drizzle with a chance of showers after 9pm. Cloudy, with a low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Widespread dense fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
Showers likely and possibly a thunderstorm, mainly 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 49. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, mainly before 2pm. High near 68. 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 37. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly clear, with a low around 27. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 61.
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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:
5:51 pm EDT Apr 2, 2026
Forecast Valid:
7pm EDT Apr 2, 2026-6pm EDT Apr 9, 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