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.

54°F

12°C

Humidity 37%
Wind Speed S 7 mph
Barometer 30.47 in (1032.2 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill52°F (11°C)
Last update 12 Apr 11:54 am EDT
Extended Forecast for

Portland PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. South wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 55. West 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: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 55. West 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.
Tuesday
Mostly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.9°N 75.09°W (Elev. 413 ft)
Last Update:
4:11 am EDT Apr 12, 2026
Forecast Valid:
12pm EDT Apr 12, 2026-6pm EDT Apr 18, 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