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 21:00 · NOAA HRRR model
27 °C
Clear sky
Feels like 30 °C
Next 12 h
↑ 27°21:00↓ 22°06:00
- Humidity
- 79 %
- Dew point
- 23 °C
- Gusts
- 24.3 km/h
- Clouds
- 0 %
- Pressure
- 1,017 hPa ↑
- Storm
- severe possible
Grid point 1.2 km away · 3.0 km grid · elevation 61 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 93.4µg/m³
- PM2.5
- 6.4µg/m³
- PM10
- 6.4µg/m³
- Nitrogen dioxide
- 5.6µg/m³
- Sulphur dioxide
- 0.7µg/m³
- Carbon monoxide
- 232.0µg/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
Clear sky74 %
32°
25°
Sat
Light rain64 %
31°
22°
Sun
Mainly clear64 %
32°
21°
Mon
Mainly clear42 %
32°
19°
Tue
Thunderstorm58 %
29°
23°
Wed
Overcast58 %
25°
21°
Thu
Mainly clear
30°
20°
Fri
Light drizzle0 mm
30°
22°
Sat
Clear sky
27°
19°
Sun
Partly cloudy
27°
20°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:47
- Daylight
- 14 h 10
- Sunset
- 19:57
Radiation · 11.1 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Johnston the mean temperature will be 29.0 °C — +6.6 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Johnston