News
Annual climate stocktake shows weather records and extremes now the norm in UK Climate
Record breaking and extreme weather has become increasingly commonplace in the UK as our climate has changed over the last few decades.
Read morePort William (Dumfries and Galloway) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
7 day forecast for Port William
Today (15 July 2025)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
 |
|
| Chance of precipitation |
<5%
|
20%
|
20%
|
| Temperature |
15°
|
15°
|
14°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
| Wind direction and speed |
WNW
11
|
NW
12
|
NW
13
|
| Wind gust (mph) |
21
|
22
|
21
|
| Visibility |
VG
|
VG
|
VG
|
| Humidity |
86%
|
87%
|
88%
|
| UV | 1 | - | - |
Wednesday (16 July 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 |
10%
|
<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) |
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
16°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
20°
|
19°
|
18°
|
17°
|
16°
|
14°
|
13°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
13°
|
15°
|
16°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
20°
|
20°
|
19°
|
18°
|
17°
|
16°
|
14°
|
13°
|
| Wind direction and speed (mph) |
NW
13
|
NW
12
|
NW
11
|
NW
11
|
NW
11
|
NW
10
|
NNW
9
|
NNW
8
|
N
7
|
N
6
|
NNW
6
|
WSW
6
|
SW
7
|
SW
8
|
SW
8
|
WSW
7
|
WSW
6
|
WSW
6
|
SW
6
|
SW
6
|
SW
5
|
SSW
4
|
SSW
4
|
S
3
|
| Wind gust (mph) |
21
|
19
|
19
|
18
|
17
|
16
|
15
|
14
|
13
|
12
|
11
|
12
|
12
|
13
|
12
|
12
|
12
|
11
|
11
|
10
|
9
|
8
|
7
|
6
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
88%
|
89%
|
90%
|
91%
|
90%
|
89%
|
87%
|
84%
|
78%
|
77%
|
79%
|
80%
|
82%
|
83%
|
82%
|
81%
|
81%
|
82%
|
83%
|
84%
|
84%
|
85%
|
85%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Thursday (17 July 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%
|
10%
|
30%
|
40%
|
60%
|
50%
|
30%
|
40%
|
40%
|
| Temperature (°C) |
13°
|
13°
|
14°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
14°
|
15°
|
16°
|
17°
|
17°
|
15°
|
| Wind direction and speed (mph) |
ESE
4
|
ESE
4
|
ESE
8
|
ESE
11
|
SE
14
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
13
|
| Wind gust (mph) |
8
|
11
|
14
|
19
|
21
|
20
|
20
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
84%
|
85%
|
85%
|
86%
|
91%
|
96%
|
96%
|
94%
|
92%
|
| UV | - | - | - | 1 | 2 | 3 | 2 | 1 | - |
Friday (18 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
16°
|
15°
|
16°
|
17°
|
18°
|
18°
|
18°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
16°
|
17°
|
17°
|
17°
|
15°
|
| Wind direction and speed (mph) |
S
14
|
S
12
|
SSW
10
|
SSW
11
|
SSW
12
|
SSW
11
|
SSW
8
|
S
6
|
| Wind gust (mph) |
20
|
15
|
16
|
19
|
19
|
18
|
14
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
96%
|
93%
|
92%
|
90%
|
91%
|
88%
|
88%
|
| UV | - | - | 1 | 3 | 7 | 4 | 1 | - |
Saturday (19 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
20%
|
30%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
14°
|
14°
|
15°
|
18°
|
19°
|
20°
|
19°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
18°
|
19°
|
20°
|
19°
|
16°
|
| Wind direction and speed (mph) |
SSE
4
|
E
4
|
ENE
4
|
ENE
5
|
SSW
7
|
WSW
8
|
NW
7
|
NE
9
|
| Wind gust (mph) |
8
|
8
|
10
|
11
|
14
|
12
|
12
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
90%
|
91%
|
88%
|
85%
|
84%
|
85%
|
85%
|
86%
|
| UV | - | - | 1 | 3 | 6 | 4 | 1 | - |
Sunday (20 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
|
|
| Chance of precipitation |
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
30%
|
30%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
18°
|
19°
|
20°
|
19°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
16°
|
18°
|
19°
|
18°
|
15°
|
| Wind direction and speed (mph) |
NE
10
|
NE
10
|
NE
11
|
ENE
13
|
ESE
12
|
W
12
|
SE
11
|
W
11
|
| Wind gust (mph) |
11
|
12
|
14
|
15
|
15
|
12
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
VG
|
G
|
G
|
| Humidity |
88%
|
88%
|
90%
|
89%
|
87%
|
88%
|
89%
|
90%
|
| UV | - | - | 1 | 3 | 5 | 4 | 1 | - |
Monday (21 July 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%
|
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
16°
|
15°
|
16°
|
19°
|
21°
|
21°
|
20°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
18°
|
20°
|
20°
|
19°
|
15°
|
| Wind direction and speed (mph) |
NNW
10
|
NNW
10
|
NNE
9
|
ESE
10
|
SSW
11
|
SW
12
|
WSW
12
|
WSW
10
|
| Wind gust (mph) |
12
|
10
|
12
|
13
|
14
|
15
|
14
|
14
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
92%
|
92%
|
92%
|
88%
|
87%
|
87%
|
87%
|
91%
|
| UV | - | - | 1 | 4 | 6 | 4 | 1 | - |
Tooltip header
Port William weather map
View the weather with our interactive map
Loading map...
Dumfries, Galloway, Lothian & Borders weather forecast
Headline:
Wednesday mainly dry with some sunshine. Scattered afternoon showers.
This Evening and Tonight:
Mostly cloudy with a few heavy showers in the evening, but these slowly dying out. Clear spells overnight but some patchy mist and fog developing. Minimum temperature 11 °C.
Wednesday:
Early mist and fog patches soon clearing then a warm and dry day with some sunny spells. Cloud bubbling up to give the odd shower in the afternoon. Maximum temperature 23 °C.
Outlook for Thursday to Saturday:
Dry start on Thursday then cloud and showers spreading from southwest. Sunshine and scattered heavy showers on Friday and Saturday. Feeling warm.
Updated: