Johnstown weather — 10-day forecast
Temperature, rain, wind and feels-like in Johnstown, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 15:00 · NOAA HRRR model
27 °C
Partly cloudy
Feels like 30 °C
Next 12 h
↑ 28°17:00↓ 20°03:00
- Humidity
- 71 %
- Dew point
- 21 °C
- Gusts
- 12.5 km/h
- Clouds
- 75 %
- Pressure
- 1,020 hPa ↓
- UV
- 5 · moderate
- Storm
- likely
Grid point 1.2 km away · 3.0 km grid · elevation 432 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 92.8µg/m³
- PM2.5
- 4.4µg/m³
- PM10
- 4.4µg/m³
- Nitrogen dioxide
- 0.7µg/m³
- Sulphur dioxide
- 1.2µg/m³
- Carbon monoxide
- 200.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Thunderstorm100 %
28°
21°
Sat
Light drizzle100 %
28°
20°
Sun
Light showers82 %
28°
20°
Mon
Thunderstorm68 %
27°
16°
Tue
Light showers100 %
27°
22°
Wed
Showers32 mm
22°
20°
Thu
Partly cloudy0 mm
25°
18°
Fri
Partly cloudy
27°
19°
Sat
Thunderstorm7 mm
25°
18°
Sun
Thunderstorm4 mm
22°
18°
Gusts · Sun 51.0 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:20
- Daylight
- 14 h 04
- Sunset
- 20:24
Radiation · 15.8 MJ/m²
Today in Johnstown the mean temperature will be 24.1 °C — +3.8 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Johnstown