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.

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.84 in (1009.8 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 14 Oct 3:54 am EDT
Extended Forecast for

Portland PA

  • Today

    Today: A slight chance of showers between noon and 2pm. Increasing clouds, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 52. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 10pm. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 2pm. Increasing clouds, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph.
Thursday
Sunny, with a high near 69. Calm wind.
Thursday Night
Showers, mainly after 2am. Low around 52. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 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, mainly before 8pm. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Areas of frost after 10pm. Otherwise, mostly clear, with a low around 32.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.93°N 75.08°W (Elev. 299 ft)
Last Update:
4:09 pm EDT Oct 13, 2026
Forecast Valid:
4am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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