NimbocastNew Castle, PA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for New Castle, Lawrence County, Pennsylvania.
Updated Jul 29, 2026, 3:55 PM local time · Radar refreshes every 5 minutes
🌤️
New Castle
77°F
Wind 14 mph
Humidity 50%
Cloud cover 39%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for New Castle, PA.
New Castle weather radar
Light
Heavy
Next 24 hours
Now
⛅
77°F
4 PM
🌤️
77°F
5 PM
☀️
78°F
6 PM
☀️
78°F
7 PM
☀️
76°F
8 PM
☀️
73°F
9 PM
☀️
69°F
10 PM
☀️
67°F
11 PM
☀️
66°F
12 AM
☀️
64°F
1 AM
☀️
63°F
2 AM
☀️
61°F
3 AM
☀️
60°F
4 AM
☀️
59°F
5 AM
☀️
58°F
6 AM
☀️
57°F
7 AM
☀️
57°F
8 AM
☀️
62°F
9 AM
☀️
67°F
10 AM
☀️
71°F
11 AM
☀️
74°F
12 PM
☀️
76°F
1 PM
☀️
78°F
2 PM
☀️
80°F
7-day forecast
Today
Jul 29
☁️
78°F
65°F
3%
Thu
Jul 30
☀️
81°F
57°F
Fri
Jul 31
☁️
86°F
58°F
2%
Sat
Aug 1
☁️
84°F
63°F
27%
Sun
Aug 2
🌧️
71°F
63°F
51%
Mon
Aug 3
☁️
80°F
58°F
18%
Tue
Aug 4
☀️
86°F
56°F
12%
Weather near New Castle
17 mi
Youngstown, OH17 mi
Boardman, OH17 mi
Hermitage, PA23 mi
Austintown, OH25 mi
Cranberry Township, PA25 mi
Niles, OH29 mi
Warren, OH37 mi
Allison Park, PA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.