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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

45°F

7°C

Humidity 63%
Wind Speed N 10 G 23 mph
Barometer 29.95 in (1014.6 mb)
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 21 Mar 11:54 am EDT
Extended Forecast for

Portland PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers after 8pm. Low around 38. North wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. North wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 38. North wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland PA
 40.9°N 75.09°W (Elev. 413 ft)
Last Update:
9:38 am EDT Mar 21, 2026
Forecast Valid:
12pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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