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 77%
Wind Speed Calm
Barometer 30.08 in (1018.9 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 May 11:54 pm EDT
Extended Forecast for

Portland PA

  • Overnight

    Overnight: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 70. South wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 51. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 47. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 48. Calm wind.
Wednesday
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 70. South wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers. Low around 51. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 47. Northwest wind around 5 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
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:
4:08 pm EDT May 12, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 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