Weather in Portsmouth, United Kingdom

Saturday 7 November 2026 | 23:01

10°

Broken clouds

Feels like 8°

High
12°
Low
9°
Humidity
84%
Wind
8 km/h

Hourly forecast

Details
  1. NowBroken clouds10°
  2. 00:00Scattered clouds9°
  3. 01:00Broken clouds9°
  4. 02:00Scattered clouds8°
  5. 03:00Clear sky8°
  6. 04:00Clear sky7°
  7. 05:00Overcast7°
  8. 06:00Scattered clouds7°

7-day forecast

14 days

Sun & moon

Sunrise
07:06
Sunset
16:29
Moon phase
Waning crescent

Portsmouth rain radar

● Live Open the live radar

Weather maps

All maps

More information

UV index
1
Low
Pressure
1023 hPa
Visibility
> 10 km
Dew point
7°

Portsmouth: the next 12 hours at a glance

  • No rain expected in the next 12 hours.
  • Up to 10° around 23:00.
  • Best time to go out: around 10:00 (8°).

Temperature and rain / Portsmouth

The coming days

High

13°

Low

3°

Average high

11.1°

Average low

6.6°

Total rain

33.3 mm

Average rain

2.4 mm

Air quality - Portsmouth

Particles and ozone

Moderate
18.20 µg/m³
0-1212-3535-5555+

Acceptable; sensitive people should take care.

PM1020.60µg/m³
Ozone17µg/m³
Data updated hourly

Other cities

Weather in the country's main cities

Frequently asked questions

Quick answers about the weather in Portsmouth

Tomorrow in Portsmouth, expect Clear sky ☀️, with:\n\n- High of 12°\n- Low of 6°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-07