Portsmouth weather — 10-day forecast
Temperature, rain, wind and feels-like in Portsmouth, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 20:00 · NOAA HRRR model
25 °C
Overcast
Feels like 28 °C
Next 12 h
- 2024°
- 2124°11 %
- 2223°11 %
- 2323°
- 0022°
- 0122°13 %
- 0222°10 %
- 0321°10 %
- 0421°
- 0520°
- 0620°
- 0720°
- 07:42Sunrise
- 0819°
↑ 24°20:00↓ 19°08:00
- Humidity
- 87 %
- Dew point
- 22 °C
- Gusts
- 17.3 km/h
- Clouds
- 100 %
- Pressure
- 1,016 hPa ↑
- Storm
- possible
Grid point 1.0 km away · 3.0 km grid · elevation 176 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 44.4µg/m³
- PM2.5
- 2.8µg/m³
- PM10
- 3.0µg/m³
- Nitrogen dioxide
- 3.8µg/m³
- Sulphur dioxide
- 0.7µg/m³
- Carbon monoxide
- 140.0µg/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
Light showers94 %
31°
23°
Thu
Light drizzle90 %
24°
19°
Fri
Light drizzle82 %
23°
12°
Sat
Light drizzle74 %
12°
4°
Sun
Clear sky18 %
14°
2°
Mon
Clear sky18 %
18°
2°
Tue
Mainly clear
18°
3°
Wed
Clear sky
19°
4°
Thu
Clear sky
18°
5°
Fri
Clear sky
19°
6°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:41
- Daylight
- 11 h 14
- Sunset
- 18:55
Radiation · 6.0 MJ/m²
Today in Portsmouth the mean temperature will be 27.1 °C — +13.2 °C against the normal for 14 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portsmouth