Live Weather & Forecast
Weather in Portsmouth
England, United Kingdom · Real-time conditions & 3-day outlook
3°C
Feels like 2°C
38°F / Feels 35°F
Clear
Portsmouth, England
🌙 Nighttime
Updated: 2026-04-13 02:30
Humidity
93%
Wind
7.2 km/h W
Wind Gust
13 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
3.9°C
Wind Degree
263°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
162.9 μg/m³
NO₂
19.7 μg/m³
O₃
63 μg/m³
SO₂
2.3 μg/m³
PM 2.5
6.5 μg/m³
PM 10
13.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Portsmouth, England
12 AM
7°
Clear
1 AM
7°
Clear
2 AM
3°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
6°
Clear
6 AM
5°
Clear
7 AM
6°
Sunny
8 AM
7°
Sunny
9 AM
8°
Sunny
10 AM
9°
Patchy rain nearby
11 AM
10°
Patchy rain nearby
12 PM
10°
Patchy rain nearby
1 PM
11°
Patchy rain nearby
2 PM
11°
Patchy rain nearby
3 PM
11°
Patchy rain nearby
4 PM
11°
Patchy rain nearby
5 PM
11°
Patchy rain nearby
6 PM
10°
Patchy rain nearby
7 PM
10°
Sunny
8 PM
8°
Clear
9 PM
8°
Clear
10 PM
8°
Clear
11 PM
7°
Clear
3-Day Forecast
Daily overview for Portsmouth, England
Today
Patchy rain nearby
11°
/
5°
🌧️ 88% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0.22 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
11°
/
7°
🌧️ 86% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0.52 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:58 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
14°
/
10°
🌧️ 85% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 0.96 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:10 AM
🌇 Sunset: 08:00 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Portsmouth
Plan your trip to Portsmouth, United Kingdom around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Portsmouth?
Current conditions in Portsmouth: Clear, temperature 3°C, humidity 93%.
What is the best time to visit Portsmouth?
The best time to visit Portsmouth is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Portsmouth?
Portsmouth is located at approximately 50.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Portsmouth?
The wettest period in Portsmouth is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Portsmouth?
For visits to Portsmouth during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Portsmouth in?
Portsmouth is located in United Kingdom, in the state of England.
What are the public holidays in Portsmouth in 2026?
View the 2026 public holidays for Portsmouth on our Holidays page.
What are the GPS coordinates used for the weather forecast in Portsmouth?
The weather forecast for Portsmouth uses coordinates 50.8, -1.0906.