NimbocastJohnstown, PA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Johnstown, Cambria County, Pennsylvania.
Updated Jul 29, 2026, 5:08 PM local time · Radar refreshes every 5 minutes
☁️
Johnstown
73°F
Wind 12 mph
Humidity 70%
Cloud cover 96%
UV index 5
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Johnstown, PA.
Johnstown weather radar
Light
Heavy
Next 24 hours
Now
🌦️
73°F
14%
6 PM
🌦️
72°F
11%
7 PM
🌤️
71°F
12%
8 PM
⛅
69°F
4%
9 PM
🌤️
67°F
2%
10 PM
☁️
67°F
11 PM
☀️
66°F
1%
12 AM
☀️
64°F
1 AM
☀️
63°F
2 AM
☀️
62°F
3 AM
☀️
61°F
4 AM
☀️
60°F
5 AM
☀️
59°F
6 AM
☀️
58°F
7 AM
☀️
58°F
8 AM
☀️
63°F
9 AM
☀️
65°F
10 AM
☀️
68°F
11 AM
☀️
71°F
12 PM
☀️
73°F
1 PM
🌤️
74°F
2 PM
🌤️
76°F
3 PM
🌤️
77°F
4 PM
☀️
78°F
7-day forecast
Today
Jul 29
🌦️
74°F
66°F
14%
Thu
Jul 30
⛅
78°F
58°F
Fri
Jul 31
☁️
83°F
60°F
Sat
Aug 1
🌧️
87°F
64°F
41%
Sun
Aug 2
⛈️
72°F
67°F
68%
Mon
Aug 3
🌦️
80°F
63°F
39%
Tue
Aug 4
☀️
83°F
59°F
18%
Weather near Johnstown
31 mi
Altoona, PA41 mi
Murrysville, PA45 mi
Plum, PA46 mi
Monroeville, PA47 mi
Cumberland, MD50 mi
West Mifflin, PA50 mi
McKeesport, PA51 mi
Wilkinsburg, 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.