National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

32°F

0°C

Humidity 92%
Wind Speed Calm
Barometer 29.91 in (1013.8 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Feb 6:54 am EST
Extended Forecast for

Portland PA

Dense Fog Advisory February 18, 06:57am until February 18, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 18, 06:57am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 43 °F

    Chance Rain
    and Dense Fog
    then Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain likely, mainly before 9pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    and Patchy
    Fog then
    Patchy Fog

  • Thursday

    Thursday: A chance of rain after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 41. Calm wind. Chance of precipitation is 30%.

    High: 41 °F

    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then rain likely between 1am and 4am, then rain likely, possibly mixed with snow after 4am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 41. East wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly after 3pm. Widespread dense fog, mainly before 2pm. High near 43. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 9pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 41. Calm wind. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow before 1am, then rain likely between 1am and 4am, then rain likely, possibly mixed with snow after 4am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 41. East wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 31.
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:
4:13 am EST Feb 18, 2026
Forecast Valid:
6am EST Feb 18, 2026-6pm EST Feb 24, 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