Johnston weather — 10-day forecast
Temperature, rain, wind and feels-like in Johnston, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 18:00 · NOAA HRRR model
28 °C
Mainly clear
Feels like 31 °C
Next 12 h
- 1828°
- 1927°
- 2026°
- 20:26Sunset
- 2125°
- 2224°
- 2323°
- 0022°
- 0121°
- 0220°
- 0319°
- 0418°
- 0518°
- 0617°
↑ 28°18:00↓ 17°06:00
- Humidity
- 73 %
- Dew point
- 23 °C
- Gusts
- 23.6 km/h
- Clouds
- 20 %
- Pressure
- 1,013 hPa ↓
- Storm
- severe possible
Grid point 0.8 km away · 3.0 km grid · elevation 249 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 65.2µg/m³
- PM2.5
- 11.8µg/m³
- PM10
- 12.8µg/m³
- Nitrogen dioxide
- 3.8µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 156.0µg/m³
- Dust (AOD)
- 0.01
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
Mainly clear38 %
29°
23°
Sat
Clear sky88 %
28°
17°
Sun
Thunderstorm88 %
33°
21°
Mon
Thunderstorm82 %
31°
23°
Tue
Thunderstorm68 %
28°
21°
Wed
Partly cloudy62 %
27°
20°
Thu
Light rain4 mm
26°
21°
Fri
Light rain6 mm
24°
20°
Sat
Light drizzle0 mm
27°
20°
Sun
Mainly clear
27°
19°
Gusts · Sun 63.5 km/h · Tue 53.2 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:16
- Daylight
- 14 h 10
- Sunset
- 20:26
Radiation · 15.1 MJ/m²
Today in Johnston the mean temperature will be 27.0 °C — +3.9 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Johnston