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 17:00 · Meteo-France AROME 1.3 km model
19 °C
Overcast
Feels like 17 °C
Next 12 h
↑ 18°17:00↓ 16°01:00
- Humidity
- 84 %
- Dew point
- 16 °C
- Gusts
- 36.1 km/h
- Clouds
- 100 %
- Pressure
- 1,020 hPa
Grid point 0.1 km away · 1.3 km grid · elevation 3 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 40.6µg/m³
- PM2.5
- 5.0µg/m³
- PM10
- 7.0µg/m³
- Nitrogen dioxide
- 8.8µg/m³
- Sulphur dioxide
- 1.3µg/m³
- Carbon monoxide
- 102.0µg/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 drizzle14 %
19°
17°
Fri
Light drizzle78 %
17°
11°
Sat
Mainly clear
14°
8°
Sun
Mainly clear44 %
14°
8°
Mon
Partly cloudy58 %
14°
7°
Tue
Light drizzle0 mm
14°
11°
Wed
Light rain4 mm
16°
11°
Thu
Light drizzle2 mm
14°
10°
Fri
Light rain12 mm
16°
14°
Sat
Light showers16 mm
13°
10°
Gusts · Thu 52.1 km/h · Fri 84.3 km/h · Sat 86.4 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:28
- Daylight
- 10 h 45
- Sunset
- 18:13
Radiation · 3.5 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 Portsmouth the mean temperature will be 18.2 °C — +5.2 °C against the normal for 15 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portsmouth