News
Another heatwave likely next week as temperatures set to rise
Heatwave conditions are likely to return to many parts of the UK next week as temperatures climb through the weekend and then more significantly, into the midd…
Read moreSt Austell (Cornwall) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
Sunny changing to partly cloudy by nighttime.
Sunrise:
Sunset:
Next low tide: for
Duporth Beach (Beach)
7 day forecast for St Austell
Today (9 August 2026)
| Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
 |
|
 |
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
22°
|
21°
|
20°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
20°
|
19°
|
18°
|
17°
|
16°
|
17°
|
| Wind direction and speed |
WNW
11
|
WNW
11
|
WNW
10
|
WNW
9
|
WNW
8
|
WNW
8
|
| Wind gust (mph) |
19
|
19
|
17
|
16
|
16
|
16
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
74%
|
75%
|
85%
|
87%
|
88%
|
| UV | 1 | 1 | 1 | - | - | - |
Monday (10 August 2026)
| 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%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
23°
|
24°
|
23°
|
22°
|
21°
|
19°
|
17°
|
16°
|
16°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
22°
|
23°
|
22°
|
20°
|
19°
|
17°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
WNW
9
|
WNW
8
|
WNW
8
|
WNW
7
|
WNW
7
|
WNW
6
|
NW
5
|
NW
5
|
NNW
6
|
NNW
6
|
NNW
6
|
NNW
6
|
NNW
7
|
NNW
7
|
NNW
7
|
NNW
8
|
NNW
8
|
NNW
9
|
NNW
10
|
NNW
10
|
NNW
10
|
N
10
|
N
10
|
N
9
|
| Wind gust (mph) |
15
|
15
|
14
|
14
|
13
|
12
|
12
|
11
|
12
|
12
|
13
|
14
|
15
|
17
|
18
|
18
|
18
|
17
|
17
|
15
|
14
|
14
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
88%
|
91%
|
93%
|
94%
|
95%
|
95%
|
92%
|
84%
|
75%
|
66%
|
63%
|
57%
|
53%
|
51%
|
47%
|
46%
|
46%
|
47%
|
53%
|
61%
|
72%
|
76%
|
79%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 7 | 6 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Tuesday (11 August 2026)
| 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) |
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
16°
|
18°
|
20°
|
20°
|
21°
|
21°
|
22°
|
22°
|
22°
|
22°
|
22°
|
21°
|
20°
|
20°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
15°
|
17°
|
19°
|
19°
|
20°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
19°
|
19°
|
19°
|
17°
|
17°
|
16°
|
| Wind direction and speed (mph) |
N
9
|
N
8
|
N
7
|
NNE
6
|
NNE
6
|
NE
5
|
ENE
5
|
ENE
7
|
ESE
8
|
ESE
9
|
ESE
11
|
ESE
11
|
ESE
13
|
ESE
14
|
ESE
14
|
ESE
14
|
ESE
14
|
ESE
13
|
ESE
11
|
ESE
10
|
ESE
9
|
ESE
9
|
ESE
9
|
E
9
|
| Wind gust (mph) |
11
|
10
|
10
|
10
|
12
|
13
|
15
|
15
|
17
|
19
|
20
|
22
|
23
|
24
|
25
|
25
|
25
|
23
|
21
|
18
|
17
|
17
|
17
|
17
|
| 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 |
78%
|
76%
|
73%
|
73%
|
74%
|
78%
|
82%
|
82%
|
80%
|
77%
|
74%
|
70%
|
66%
|
64%
|
63%
|
62%
|
62%
|
63%
|
65%
|
68%
|
73%
|
77%
|
78%
|
77%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 7 | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Wednesday (12 August 2026)
| 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) |
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
19°
|
21°
|
22°
|
24°
|
24°
|
25°
|
26°
|
26°
|
25°
|
25°
|
24°
|
24°
|
22°
|
20°
|
19°
|
18°
|
| Feels like temperature (°C) |
16°
|
16°
|
15°
|
16°
|
15°
|
15°
|
15°
|
17°
|
19°
|
20°
|
21°
|
22°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
22°
|
20°
|
19°
|
18°
|
| Wind direction and speed (mph) |
E
8
|
E
8
|
E
8
|
E
8
|
E
8
|
E
7
|
ENE
7
|
ENE
7
|
E
8
|
E
9
|
ESE
9
|
ESE
10
|
ESE
10
|
SE
10
|
SE
9
|
SE
9
|
SE
8
|
ESE
7
|
ESE
7
|
ESE
7
|
ESE
6
|
ESE
6
|
ENE
6
|
NE
7
|
| Wind gust (mph) |
18
|
18
|
18
|
18
|
18
|
18
|
18
|
19
|
19
|
19
|
20
|
20
|
21
|
21
|
20
|
20
|
19
|
17
|
16
|
14
|
14
|
13
|
13
|
12
|
| 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 |
80%
|
82%
|
83%
|
84%
|
85%
|
85%
|
85%
|
80%
|
73%
|
67%
|
62%
|
58%
|
54%
|
53%
|
52%
|
52%
|
53%
|
54%
|
55%
|
57%
|
66%
|
75%
|
77%
|
77%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Thursday (13 August 2026)
| 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) |
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
21°
|
22°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
21°
|
20°
|
19°
|
19°
|
| Feels like temperature (°C) |
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
19°
|
21°
|
22°
|
24°
|
25°
|
26°
|
26°
|
26°
|
25°
|
25°
|
23°
|
22°
|
20°
|
18°
|
18°
|
18°
|
| Wind direction and speed (mph) |
NNE
7
|
NE
7
|
NNE
8
|
NNE
9
|
NNE
9
|
NNE
9
|
NNE
9
|
NNE
9
|
NNE
9
|
NE
10
|
NE
10
|
NE
11
|
NE
10
|
NE
9
|
NE
9
|
NE
9
|
N
10
|
NW
10
|
NNW
11
|
NNW
11
|
NNW
11
|
NW
11
|
NW
11
|
NW
11
|
| Wind gust (mph) |
13
|
13
|
14
|
16
|
15
|
15
|
15
|
15
|
16
|
16
|
16
|
17
|
17
|
18
|
18
|
18
|
18
|
18
|
19
|
19
|
16
|
16
|
15
|
15
|
| 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 |
74%
|
72%
|
73%
|
74%
|
73%
|
75%
|
78%
|
76%
|
69%
|
66%
|
61%
|
57%
|
54%
|
54%
|
54%
|
56%
|
58%
|
60%
|
64%
|
70%
|
77%
|
86%
|
91%
|
92%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Friday (14 August 2026)
| 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
18°
|
21°
|
23°
|
22°
|
20°
|
18°
|
| Feels like temperature (°C) |
18°
|
17°
|
18°
|
18°
|
20°
|
20°
|
20°
|
17°
|
16°
|
| Wind direction and speed (mph) |
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
11
|
NW
13
|
NW
15
|
NW
15
|
NW
11
|
| Wind gust (mph) |
15
|
16
|
17
|
21
|
25
|
26
|
25
|
24
|
18
|
| Visibility (description) |
G
|
G
|
M
|
M
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
92%
|
93%
|
94%
|
93%
|
75%
|
64%
|
61%
|
69%
|
80%
|
| UV | - | - | - | 1 | 4 | 6 | 4 | 1 | - |
Saturday (15 August 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
19°
|
21°
|
21°
|
19°
|
17°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
18°
|
19°
|
18°
|
16°
|
15°
|
| Wind direction and speed (mph) |
NW
10
|
NW
8
|
NNW
8
|
NNW
10
|
NW
10
|
NW
11
|
NW
14
|
NW
11
|
| Wind gust (mph) |
17
|
15
|
19
|
22
|
22
|
23
|
21
|
16
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
87%
|
85%
|
66%
|
58%
|
57%
|
66%
|
77%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
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South West England weather forecast
Headline:
Plenty of dry and bright weather. Turning hotter next week.
This Evening and Tonight:
A dry and fine evening to come with plenty of late sunshine, although slightly more in the way of cloud over Cornwall. Cloud spreading to most parts overnight. Light winds and feeling rather mild. Minimum temperature 14 °C.
Monday:
A grey start in the south but cloud will gradually clear, leaving a fine and sunny day across the region. Feeling warm in the sunshine. Maximum temperature 26 °C.
Outlook for Tuesday to Thursday:
Dry over the next few days with plenty of sunshine. Turning hotter through the week, and increasingly humid from mid-week with light winds.
Updated: