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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

36°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.14 in (1021.6 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 18 Nov 9:54 pm EST
Extended Forecast for

Portland PA

  • Tonight

    Tonight: Rain likely, possibly mixed with snow. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Slight Chance
    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 28. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind.
Thursday Night
A slight chance of rain before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 54.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.9°N 75.09°W (Elev. 413 ft)
Last Update:
4:10 pm EST Nov 18, 2025
Forecast Valid:
10pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
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