St. Johns weather — 10-day forecast
Temperature, rain, wind and feels-like in St. Johns, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 14:00 · NOAA HRRR model
30 °C
Overcast
Feels like 32 °C
Next 12 h
- 1430°
- 1531°
- 1629°
- 1726°95 %
- 1826°95 %
- 1926°93 %
- 2025°10 %
- 20:15Sunset
- 2125°11 %
- 2225°11 %
- 2324°11 %
- 0025°12 %
- 0125°
- 0225°13 %
↑ 31°15:00↓ 24°23:00
- Humidity
- 71 %
- Dew point
- 24 °C
- Gusts
- 28.4 km/h
- Clouds
- 100 %
- Pressure
- 1,021 hPa ↓
- UV
- 4 · moderate
- Storm
- severe possible
Grid point 1.0 km away · 3.0 km grid · elevation 10 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 42.4µg/m³
- PM2.5
- 6.7µg/m³
- PM10
- 10.2µg/m³
- Nitrogen dioxide
- 0.3µg/m³
- Sulphur dioxide
- 0.3µg/m³
- Carbon monoxide
- 88.0µg/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
Thunderstorm98 %
31°
24°
Sat
Thunderstorm100 %
31°
25°
Sun
Thunderstorm94 %
32°
24°
Mon
Thunderstorm92 %
33°
25°
Tue
Thunderstorm84 %
35°
25°
Wed
Thunderstorm0 mm
34°
25°
Thu
Thunderstorm0 mm
34°
26°
Fri
Mainly clear
35°
26°
Sat
Clear sky
36°
26°
Sun
Clear sky
36°
26°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:49
- Daylight
- 13 h 26
- Sunset
- 20:15
Radiation · 15.7 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 St. Johns the mean temperature will be 27.6 °C — +0.7 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around St. Johns