Portsmouth Weather Conditions
Current Temperature Level
15 °C
21 AQI
Air quality index is: Good
Last Updated: 2025-09-04 20:15 (Local Time)
MapPortsmouth
Portsmouth Weather Parameters
16 km/h
8 m/s
285° WNW
50 %
10 km
0 mm
1011 mb
UV Index0
Suggestions for
TodayPortsmouth4 Sep.
Umbrella• Suggested
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in United Kingdom
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025
Portsmouth 10-Days Weather Forecast
Today
17°C
73 %Friday
16°C75 %Saturday
18°C67 %Sunday
19°C78 %Monday
18°C75 %Tuesday
17°C79 %Wednesday
17°C79 %Thursday
17°C72 %Friday
16°C75 %Saturday
16°C75 %Patchy rain nearby
Occasional light rain is expected and humidity will be 73%, with winds at 40.7 km/h.19°C / 14°C
Humi.73 %
Prec.4.71 mm
Sunrise
06:23 AM13hrs 20min
Sunset
07:43 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Patchy rain nearby
17 °C
79 %
0
29.5 kmph / WSW
Patchy rain nearby
Feels 16.5 °C
Cover 63 %
Visibility 10 km
1 AM
Patchy rain nearby
16 °C
80 %
0
26.6 kmph / SW
Patchy rain nearbyFeels 16.2 °C
Cover 52 %
Visibility 10 km
2 AM
Patchy light drizzle
16 °C
81 %
0
28.8 kmph / SW
Patchy light drizzleFeels 16.2 °C
Cover 66 %
Visibility 5 km
3 AM
Light rain shower
16 °C
84 %
0
27 kmph / SSW
Light rain showerFeels 16 °C
Cover 81 %
Visibility 10 km
4 AM
Light drizzle
16 °C
84 %
0
28.4 kmph / SSW
Light drizzleFeels 16.2 °C
Cover 100 %
Visibility 2 km
5 AM
Light rain shower
16 °C
86 %
0
29.9 kmph / S
Light rain showerFeels 16.2 °C
Cover 88 %
Visibility 10 km
6 AM
Patchy rain nearby
16 °C
79 %
0
38.5 kmph / SW
Patchy rain nearbyFeels 16 °C
Cover 82 %
Visibility 9 km
7 AM
Patchy rain nearby
16 °C
74 %
0
38.9 kmph / SW
Patchy rain nearbyFeels 15.9 °C
Cover 75 %
Visibility 10 km
8 AM
Patchy light drizzle
16 °C
74 %
0.2
40.7 kmph / SW
Patchy light drizzleFeels 16.2 °C
Cover 57 %
Visibility 5 km
9 AM
Patchy rain nearby
17 °C
73 %
1
40 kmph / SW
Patchy rain nearbyFeels 16.6 °C
Cover 88 %
Visibility 9 km
10 AM
Patchy light drizzle
17 °C
71 %
2.1
38.5 kmph / SW
Patchy light drizzleFeels 16.9 °C
Cover 55 %
Visibility 5 km
11 AM
Patchy rain nearby
18 °C
68 %
3.3
35.3 kmph / WSW
Patchy rain nearbyFeels 17.5 °C
Cover 74 %
Visibility 10 km
12 PM
Patchy rain nearby
18 °C
66 %
4.2
38.5 kmph / WSW
Patchy rain nearbyFeels 18 °C
Cover 83 %
Visibility 10 km
1 PM
Light rain shower
19 °C
63 %
4.5
38.2 kmph / WSW
Light rain showerFeels 18.5 °C
Cover 84 %
Visibility 10 km
2 PM
Patchy rain nearby
18 °C
65 %
3.5
36 kmph / W
Patchy rain nearbyFeels 18.1 °C
Cover 84 %
Visibility 10 km
3 PM
Patchy rain nearby
19 °C
59 %
3.3
32.8 kmph / W
Patchy rain nearbyFeels 18.8 °C
Cover 80 %
Visibility 10 km
4 PM
Patchy rain nearby
19 °C
59 %
2.1
29.2 kmph / W
Patchy rain nearbyFeels 18.7 °C
Cover 64 %
Visibility 10 km
5 PM
Patchy rain nearby
18 °C
62 %
1.2
26.6 kmph / W
Patchy rain nearbyFeels 18.3 °C
Cover 76 %
Visibility 10 km
6 PM
Patchy rain nearby
18 °C
66 %
0.4
23.4 kmph / WSW
Patchy rain nearbyFeels 17.6 °C
Cover 89 %
Visibility 10 km
7 PM
Patchy rain nearby
16 °C
69 %
0.1
19.8 kmph / W
Patchy rain nearbyFeels 16.3 °C
Cover 83 %
Visibility 10 km
8 PM
Overcast
15 °C
94 %
0
15.5 kmph / WNW
OvercastFeels 15.5 °C
Cover 50 %
Visibility 10 km
9 PM
Clear
15 °C
77 %
0
14 kmph / WNW
Clear Feels 13.8 °C
Cover 8 %
Visibility 10 km
10 PM
Clear
14 °C
78 %
0
15.8 kmph / W
Clear Feels 13.2 °C
Cover 7 %
Visibility 10 km
11 PM
Clear
14 °C
80 %
0
17.6 kmph / W
Clear Feels 12.6 °C
Cover 8 %
Visibility 10 km
Today
17°C73 %Friday
16°C75 %Saturday
18°C67 %Sunday
19°C78 %Monday
18°C75 %Tuesday
17°C79 %Wednesday
17°C79 %Thursday
17°C72 %Friday
16°C75 %Saturday
16°C75 %Temp15 °C
ConditionClear
Humidity77 %
Feels13.8 °C
Cover8 %
Visibility10 km
Wind Speed & Dir.14 kmph / WNW
UV0
Portsmouth 30-Days (September 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Mon.
19°15 °C
2Tue.
18°15 °C
3Wed.
20°16 °C
4Today
19°14 °C
5Fri.
19°13 °C
6Sat.
20°15 °C
7Sun.
21°17 °C
8Mon.
20°17 °C
9Tue.
19°17 °C
10Wed.
19°16 °C
11Thu.
18°15 °C
12Fri.
16°14 °C
13Sat.
16°13 °C
14Sun.
18°14 °C
15Mon.
18°13 °C
16Tue.
17°12 °C
17Wed.
17°12 °C
18Thu.
18°12 °C
19Fri.
18°13 °C
20Sat.
19°14 °C
21Sun.
18°13 °C
22Mon.
17°12 °C
23Tue.
17°12 °C
24Wed.
17°13 °C
25Thu.
17°12 °C
26Fri.
17°12 °C
27Sat.
18°13 °C
28Sun.
18°13 °C
29Mon.
18°12 °C
30Tue.
17°12 °C
SeptemberWeather Overview
No. of days:
Sunny
2
Cloudy
0
Rainy
28
Snowy
0
The monthly weather averages in Portsmouth consist of 2 sunny days, 0 cloudy days, 28 rainy days, and 0 snowy days.
United Kingdom's Hottest Cities - September 2025
1.
Rayleigh, United Kingdom
Partly Cloudy
56%
0
15.5 kmph / W
2.
Stepney, United Kingdom
Overcast
64%
0
10.1 kmph / W
3.
Kidbrooke, United Kingdom
Overcast
64%
0
10.8 kmph / WSW
4.
Stanmore, United Kingdom
Overcast
64%
0
11.9 kmph / WSW
5.
Hampton, United Kingdom
Clear
60%
0
11.5 kmph / WSW
6.
Spitalfields, United Kingdom
Overcast
64%
0
10.4 kmph / WSW
7.
Leyton, United Kingdom
Overcast
64%
0
10.4 kmph / WSW
8.
Holborn, United Kingdom
Overcast
64%
0
10.4 kmph / WSW
9.
West Ham, United Kingdom
Overcast
64%
0
10.4 kmph / WSW
10.
Ealing, United Kingdom
Overcast
64%
0
11.5 kmph / WSW
Last Updated: 04 Sept 2025, 07:25 PM
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