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 07:00 · NOAA HRRR model
9 °C
Light rain
Feels like 4 °C
Next 12 h
- 079°94 %
- 089°
- 099°
- 109°
- 119°
- 129°
- 1310°
- 1410°
- 159°
- 169°
- 178°
- 187°
- 18:01Sunset
- 196°
↑ 10°14:00↓ 6°19:00
- Humidity
- 72 %
- Dew point
- 4 °C
- Gusts
- 45.4 km/h
- Clouds
- 100 %
- Pressure
- 1,016 hPa ↑
Grid point 1.4 km away · 3.0 km grid · elevation 25 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 41.2µg/m³
- PM2.5
- 1.1µg/m³
- PM10
- 1.2µg/m³
- Nitrogen dioxide
- 4.2µg/m³
- Sulphur dioxide
- 0.5µg/m³
- Carbon monoxide
- 132.0µg/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 rain100 %
15°
3°
Sun
Clear sky
12°
0°
Mon
Partly cloudy
16°
5°
Tue
Overcast
15°
9°
Wed
Overcast6 %
13°
11°
Thu
Light rain22 mm
12°
10°
Fri
Rain89 mm
13°
10°
Sat
Rain22 mm
15°
9°
Sun
Clear sky
13°
7°
Mon
Clear sky
14°
8°
Gusts · Tue 54.4 km/h · Wed 59.4 km/h · Thu 61.7 km/h · Fri 82.7 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:00
- Daylight
- 11 h 01
- Sunset
- 18:01
Radiation · 8.2 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 8.6 °C — -4.7 °C against the normal for 17 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portsmouth