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Weather in Johnstown, United States 🇺🇸

Weather Forecast in Johnstown

Current Weather in Johnstown

Air Quality Alert issued July 7 at 9:10AM MDT by NWS Denver CO
Partly cloudy
29°C
Feels like 28°C. Partly cloudy.
🌬️ 16 km/h S
💧 25% Humidity
🧭 1020 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.7
🌡️ Dew Point: 9°C
🌅 Sunrise: 05:36 AM
🌇 Sunset: 08:32 PM
Map Overlays:

In Johnstown right now it is 29°C and partly cloudy, feeling like 28°C. Humidity is 25% with winds around 16 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Johnstown range from about 15°C to 39°C. ⚠️ Air Quality Alert issued July 7 at 9:10AM MDT by NWS Denver CO

Hourly Forecast for Johnstown

19:00
Patchy rain nearby
30°
17%
20:00
Sunny
28°
0%
21:00
Clear
25°
1%
22:00
Clear
24°
1%
23:00
Clear
22°
1%
00:00
Clear
18°
3%
01:00
Clear
18°
3%
02:00
Clear
17°
4%
03:00
Clear
18°
4%
04:00
Clear
18°
3%
05:00
Clear
18°
3%
06:00
Patchy rain nearby
18°
17%
07:00
Sunny
22°
2%
08:00
Sunny
25°
1%
09:00
Sunny
27°
0%
10:00
Sunny
29°
0%
11:00
Sunny
32°
1%
12:00
Sunny
34°
1%
13:00
Sunny
35°
1%
14:00
Patchy rain nearby
35°
8%
15:00
Patchy rain nearby
22°
42%
16:00
Patchy rain nearby
23°
9%
17:00
Sunny
26°
1%
18:00
Sunny
24°
2%

14-Day Forecast for Johnstown

Tue, Jul 07
Sunny Sunny
39° / 16°
Wed, Jul 08
Sunny Sunny
35° / 17°
Thu, Jul 09
Sunny Sunny
35° / 15°
Fri, Jul 10
Sunny Sunny
35° / 13°
Sat, Jul 11
Sunny Sunny
37° / 14°
Sun, Jul 12
Sunny Sunny
38° / 17°
Mon, Jul 13
Sunny Sunny
39° / 19°
Tue, Jul 14
Sunny Sunny
38° / 17°
Wed, Jul 15
Sunny Sunny
40° / 20°
Thu, Jul 16
Sunny Sunny
41° / 18°
Fri, Jul 17
Sunny Sunny
41° / 20°
Sat, Jul 18
Sunny Sunny
40° / 19°
Sun, Jul 19
Partly Cloudy Partly Cloudy
36° / 21°
Mon, Jul 20
Sunny Sunny
36° / 20°

Additional Forecasts for Johnstown

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 138.0 μg/m³
O₃ (Ozone) 105.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.0 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 16.2 μg/m³
PM10 (Coarse particles) 18.5 μg/m³

Historical Weather

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Best Time to Be Outside in Johnstown Tomorrow

There is no good daylight window left in Johnstown today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Johnstown

What is the temperature in Johnstown right now?

The current temperature in Johnstown is 29°C (85°F), partly cloudy (feels like 28°C).

What's the weather like in Johnstown right now?

Conditions in Johnstown right now: Partly cloudy, humidity 25%, wind 16 km/h S.

What is today's forecast for Johnstown?

Today in Johnstown: high 39°C, low 16°C, sunny. Chance of rain: 17%.

What is the 7-day weather forecast for Johnstown?

Daily highs and lows for Johnstown:

  • 2026-07-07: 39°C / 16°C
  • 2026-07-08: 35°C / 17°C
  • 2026-07-09: 35°C / 15°C
  • 2026-07-10: 35°C / 13°C
  • 2026-07-11: 37°C / 14°C
  • 2026-07-12: 38°C / 17°C
  • 2026-07-13: 39°C / 19°C
Is it going to rain in Johnstown today?

There is a 17% chance of rain in Johnstown today. Total expected precipitation: 0.08 mm.

What is the wind speed in Johnstown right now?

Wind in Johnstown is currently 16 km/h (10 mph) from the S.

What is the UV index in Johnstown right now?

The UV index in Johnstown is currently 0.7 (low). Sun protection is recommended when the index is 3 or higher.

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