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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Portland PA

  • Overnight

    Overnight: Mostly clear, with a low around 40. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. West wind around 5 mph becoming calm.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am. Partly cloudy, with a low around 39. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 40. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 60. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 33. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 63. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 39. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Showers. Low around 45. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 47.
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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:
12:34 am EST Nov 4, 2025
Forecast Valid:
2am EST Nov 4, 2025-6pm EST Nov 10, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation