🇺🇸 Weather in Johnstown
Map Overlays:
Hourly Forecast for Johnstown
06:00
6°
100%
07:00
6°
100%
08:00
4°
100%
09:00
3°
100%
10:00
4°
100%
11:00
4°
100%
12:00
4°
100%
13:00
3°
100%
14:00
3°
100%
15:00
2°
100%
16:00
2°
100%
17:00
2°
100%
18:00
2°
100%
19:00
2°
100%
20:00
2°
100%
21:00
2°
100%
22:00
1°
100%
23:00
1°
100%
00:00
1°
100%
01:00
1°
100%
02:00
0°
100%
03:00
0°
100%
04:00
0°
100%
05:00
0°
100%
14-Day Forecast for Johnstown
Tue, May 05
Heavy rain
6° /
1°
Wed, May 06
Moderate rain
5° /
0°
Thu, May 07
Sunny
21° /
-1°
Fri, May 08
Sunny
22° /
7°
Sat, May 09
Sunny
23° /
9°
Sun, May 10
Patchy rain nearby
16° /
8°
Mon, May 11
Sunny
26° /
7°
Tue, May 12
Sunny
29° /
9°
Wed, May 13
Sunny
30° /
15°
Thu, May 14
Sunny
20° /
8°
Fri, May 15
Sunny
18° /
2°
Sat, May 16
Partly Cloudy
23° /
6°
Sun, May 17
Sunny
23° /
8°
Mon, May 18
Partly Cloudy
28° /
10°
Additional Forecasts for Johnstown
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 139.8 μg/m³
O₃ (Ozone) 85.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.8 μg/m³
SO₂ (Sulphur Dioxide) 1.1 μg/m³
PM2.5 (Fine particles) 1.8 μg/m³
PM10 (Coarse particles) 1.9 μg/m³
