Portland (Dorset) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 17° Celsius;
Maximum daytime temperature: 17° Celsius;
8 day forecast for Portland
Today (18 May 2025)
| Time |
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
|
 |
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
16°
|
15°
|
14°
|
13°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
15°
|
15°
|
14°
|
14°
|
13°
|
12°
|
11°
|
11°
|
10°
|
| Wind direction and speed |
S
12
|
SSW
11
|
SSW
10
|
SSW
9
|
SSW
7
|
SSW
5
|
SSW
4
|
SE
3
|
ESE
4
|
| Wind gust (mph) |
16
|
15
|
13
|
12
|
10
|
9
|
7
|
7
|
9
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
67%
|
69%
|
73%
|
75%
|
81%
|
85%
|
89%
|
90%
|
91%
|
| UV | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Monday (19 May 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
16°
|
13°
|
13°
|
12°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
8°
|
9°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
15°
|
16°
|
16°
|
17°
|
16°
|
15°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
ESE
5
|
E
6
|
E
7
|
E
8
|
E
9
|
E
11
|
E
13
|
E
15
|
ENE
15
|
E
16
|
E
17
|
E
17
|
ESE
17
|
ESE
17
|
ESE
17
|
ESE
15
|
ESE
12
|
SE
10
|
ESE
8
|
NE
7
|
NNE
6
|
N
5
|
NNE
5
|
NE
5
|
| Wind gust (mph) |
10
|
12
|
13
|
14
|
16
|
18
|
21
|
23
|
23
|
23
|
23
|
23
|
23
|
22
|
20
|
16
|
14
|
11
|
11
|
10
|
9
|
10
|
9
|
9
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
92%
|
91%
|
91%
|
89%
|
88%
|
87%
|
85%
|
77%
|
73%
|
67%
|
65%
|
63%
|
62%
|
58%
|
57%
|
55%
|
54%
|
53%
|
53%
|
57%
|
66%
|
68%
|
69%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Tuesday (20 May 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
11°
|
19°
|
20°
|
19°
|
18°
|
14°
|
| Feels like temperature (°C) |
10°
|
10°
|
8°
|
9°
|
17°
|
17°
|
17°
|
16°
|
13°
|
| Wind direction and speed (mph) |
NE
6
|
NE
7
|
NE
9
|
NNE
10
|
NE
8
|
SSW
10
|
SW
11
|
W
10
|
NW
6
|
| Wind gust (mph) |
10
|
13
|
15
|
15
|
12
|
13
|
14
|
12
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
72%
|
73%
|
64%
|
41%
|
42%
|
48%
|
62%
|
67%
|
| UV | - | - | - | 1 | 5 | 7 | 3 | 1 | - |
Wednesday (21 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
 |
|
|
|
| Chance of precipitation |
10%
|
30%
|
50%
|
50%
|
60%
|
60%
|
30%
|
20%
|
| Temperature (°C) |
13°
|
12°
|
13°
|
15°
|
15°
|
15°
|
15°
|
12°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
14°
|
13°
|
13°
|
13°
|
11°
|
| Wind direction and speed (mph) |
WNW
5
|
WSW
6
|
WNW
7
|
WNW
8
|
SW
11
|
WSW
12
|
WNW
10
|
NNW
9
|
| Wind gust (mph) |
11
|
12
|
14
|
14
|
13
|
14
|
14
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
70%
|
78%
|
78%
|
70%
|
74%
|
74%
|
76%
|
81%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Thursday (22 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
14°
|
16°
|
16°
|
15°
|
12°
|
| Feels like temperature (°C) |
9°
|
8°
|
8°
|
12°
|
13°
|
13°
|
13°
|
10°
|
| Wind direction and speed (mph) |
NNW
10
|
N
10
|
NNE
11
|
E
11
|
S
12
|
SW
12
|
WSW
11
|
NW
9
|
| Wind gust (mph) |
14
|
14
|
12
|
15
|
16
|
17
|
14
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
81%
|
78%
|
59%
|
53%
|
63%
|
65%
|
67%
|
| UV | - | - | 1 | 5 | 6 | 3 | 1 | - |
Friday (23 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
9°
|
8°
|
9°
|
13°
|
14°
|
15°
|
14°
|
11°
|
| Feels like temperature (°C) |
7°
|
6°
|
7°
|
11°
|
12°
|
13°
|
12°
|
9°
|
| Wind direction and speed (mph) |
NNW
9
|
NNE
8
|
NNE
7
|
ENE
10
|
SW
11
|
W
11
|
W
10
|
W
7
|
| Wind gust (mph) |
10
|
8
|
16
|
17
|
18
|
17
|
16
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
| Humidity |
76%
|
79%
|
72%
|
54%
|
48%
|
45%
|
53%
|
74%
|
| UV | - | - | 1 | 5 | 6 | 3 | 1 | - |
Saturday (24 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
9°
|
8°
|
10°
|
14°
|
16°
|
16°
|
15°
|
12°
|
| Feels like temperature (°C) |
8°
|
7°
|
8°
|
12°
|
13°
|
13°
|
12°
|
10°
|
| Wind direction and speed (mph) |
W
6
|
WNW
6
|
W
6
|
WSW
9
|
SW
11
|
SW
12
|
SW
11
|
SW
8
|
| Wind gust (mph) |
9
|
8
|
14
|
17
|
19
|
19
|
16
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
89%
|
82%
|
60%
|
52%
|
59%
|
62%
|
85%
|
| UV | - | - | 1 | 5 | 6 | 3 | 1 | - |
Sunday (25 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
11°
|
11°
|
12°
|
14°
|
15°
|
16°
|
14°
|
12°
|
| Feels like temperature (°C) |
9°
|
9°
|
10°
|
12°
|
13°
|
13°
|
12°
|
10°
|
| Wind direction and speed (mph) |
SW
8
|
SW
8
|
SW
8
|
SW
12
|
SSW
14
|
SW
14
|
SW
12
|
WSW
8
|
| Wind gust (mph) |
9
|
10
|
19
|
24
|
24
|
23
|
17
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
95%
|
88%
|
72%
|
68%
|
62%
|
69%
|
84%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
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WARNING
Flood alerts in force for England
Flood alerts in force for England
South West England weather forecast
Headline:
Dry with plenty of warm sunshine. Light winds.
Today:
Early mist and low cloud will soon lift and burn away to give another fine and dry day with plenty of sunny spells. Feeling warm in the sunshine with light winds and high UV levels. Maximum temperature 23 °C.
Tonight:
A fine end to the day, with evening sunshine. Staying dry with clear skies overnight. Chance of some low cloud developing by dawn. Locally chilly in rural spots. Light winds. Minimum temperature 3 °C.
Monday:
Early cloud will soon clear to give another fine and mostly dry day, with warm sunny spells. Risk of isolated showers, perhaps heavy and thundery in places. Light winds. Maximum temperature 23 °C.
Outlook for Tuesday to Thursday:
Staying largely fine and mostly dry, with warm sunny spells throughout. Chance of showers, perhaps heavy and thundery, Tuesday. Clear skies overnight and turning locally in rural areas. Light winds.
Updated:
UK long range weather forecast
Nearest forecasts
- Fortuneswell 0.6 miles
- Church Ope Cove (Beach) 1.0 miles
- Weymouth and Portland 1.6 miles
- Isle of Portland 2.0 miles
- Portland Harbour - Sandsfoot Castle (Beach) 3.2 miles
- Portland Harbour - Castle Cove (Beach) 3.4 miles
- Weymouth - Central (Beach) 4.2 miles
- Weymouth 4.5 miles
- Bennetts Water Garden 5.5 miles
- Bowleaze Cove (Beach) 6.0 miles