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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

63°F

17°C

Humidity 41%
Wind Speed E 6 mph
Barometer 30.40 in (1030.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 24 Sep 12:56 pm EDT
Extended Forecast for

New Castle Northwest PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. East wind around 7 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. North wind 3 to 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Light north wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. East wind around 7 mph.
Tonight
Clear, with a low around 42. Light northeast wind.
Friday
Sunny, with a high near 68. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. North wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 69. Light north wind increasing to 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.33°W (Elev. 1175 ft)
Last Update:
12:37 pm EDT Sep 24, 2026
Forecast Valid:
1pm EDT Sep 24, 2026-6pm EDT Sep 30, 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