Weather Forecast for Portsmouth
Hampshire, United Kingdom
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Current Weather - Portsmouth: 9°C
Current Weather - Portsmouth: 9°C
Hampshire, United Kingdom
Partly cloudy
Feels like 6°C
Wind
23 km/h N
Humidity
81%
Pressure
1003 mb
UV Index
3
Visibility
10 km
Moderate rain
Thursday, May 14, 2026
High
11°C
Low
6°C
Rain Chance
96%
Hourly Forecast
8°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
8°C
8°C
8°C
Day Statistics
Maximum Wind
27 km/h
Humidity
76%
Precipitation
6 mm
UV Index
5
Visibility
8 km
Rain Chance
96%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
08:45 PM
Moonrise
03:45 AM
Moonset
06:03 PM
Moon Phase
Waning Crescent
Moon Illumination
11%
Air Quality
PM2.5
4.7
μg/m³
PM10
6.9
μg/m³
NO₂
7.1
μg/m³
O₃
68.1
μg/m³
SO₂
1.4
μg/m³
CO
137.4
μg/m³
Patchy rain nearby
Friday, May 15, 2026
High
10°C
Low
6°C
Rain Chance
88%
Hourly Forecast
7°C
7°C
6°C
6°C
6°C
6°C
6°C
7°C
8°C
9°C
9°C
10°C
10°C
10°C
9°C
10°C
10°C
10°C
10°C
10°C
9°C
8°C
8°C
7°C
Day Statistics
Maximum Wind
18 km/h
Humidity
79%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
08:47 PM
Moonrise
04:02 AM
Moonset
07:34 PM
Moon Phase
Waning Crescent
Moon Illumination
5%
Air Quality
PM2.5
6.8
μg/m³
PM10
9.9
μg/m³
NO₂
9.2
μg/m³
O₃
69.2
μg/m³
SO₂
1.5
μg/m³
CO
145.8
μg/m³
Patchy rain nearby
Saturday, May 16, 2026
High
12°C
Low
5°C
Rain Chance
88%
Hourly Forecast
7°C
7°C
6°C
6°C
5°C
5°C
5°C
6°C
8°C
9°C
10°C
11°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
22 km/h
Humidity
71%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
08:48 PM
Moonrise
04:24 AM
Moonset
09:08 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
6.7
μg/m³
PM10
9.6
μg/m³
NO₂
9.6
μg/m³
O₃
69.3
μg/m³
SO₂
1.7
μg/m³
CO
140.4
μg/m³
Moderate rain
Sunday, May 17, 2026
High
13°C
Low
9°C
Rain Chance
86%
Hourly Forecast
11°C
11°C
10°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
12°C
12°C
13°C
12°C
12°C
12°C
11°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
26 km/h
Humidity
82%
Precipitation
5 mm
UV Index
3
Visibility
8 km
Rain Chance
86%
Snow Chance
0%
Sun & Moon
Sunrise
05:13 AM
Sunset
08:50 PM
Moonrise
04:55 AM
Moonset
10:36 PM
Moon Phase
Waxing Crescent
Moon Illumination
0%
Air Quality
PM2.5
6.2
μg/m³
PM10
8.9
μg/m³
NO₂
7.4
μg/m³
O₃
63.7
μg/m³
SO₂
2.3
μg/m³
CO
130
μg/m³
Patchy rain nearby
Monday, May 18, 2026
High
13°C
Low
9°C
Rain Chance
88%
Hourly Forecast
9°C
9°C
9°C
9°C
10°C
9°C
9°C
10°C
11°C
11°C
12°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
30 km/h
Humidity
80%
Precipitation
3 mm
UV Index
3
Visibility
9 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:11 AM
Sunset
08:51 PM
Moonrise
05:42 AM
Moonset
11:51 PM
Moon Phase
Waxing Crescent
Moon Illumination
2%
Air Quality
PM2.5
5.8
μg/m³
PM10
8.4
μg/m³
NO₂
6.5
μg/m³
O₃
69.7
μg/m³
SO₂
2.2
μg/m³
CO
128.6
μg/m³
Patchy rain nearby
Tuesday, May 19, 2026
High
14°C
Low
12°C
Rain Chance
85%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
14°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
36 km/h
Humidity
94%
Precipitation
1 mm
UV Index
3
Visibility
8 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
05:10 AM
Sunset
08:53 PM
Moonrise
06:47 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
7%
Patchy rain nearby
Wednesday, May 20, 2026
High
17°C
Low
12°C
Rain Chance
0%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
14°C
14°C
15°C
15°C
16°C
16°C
16°C
16°C
17°C
16°C
16°C
16°C
15°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
18 km/h
Humidity
88%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:09 AM
Sunset
08:54 PM
Moonrise
08:08 AM
Moonset
12:45 AM
Moon Phase
Waxing Crescent
Moon Illumination
15%
Solar Radiation Data
Shortwave Radiation
81.04
Diffuse Radiation
47.43
DNI
61.56
GTI
55.14
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