Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 18°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Monday
7th Sep
18

16

2

3
Tuesday
8th Sep
17

15

6

4
Wednesday
9th Sep
16

14

3

3
Thursday
10th Sep
18

14

1

4
Friday
11th Sep
19

15

2

4

5-day weather forecast updated at 04:00 on Sunday 6th September 2026 GMT

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Destination

The 5-day weather forecast for Cornwall (Newquay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Cornwall destinations

Below are temperatures expected today at popular countries, regions and places in Cornwall. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

Cornwall weather forecast by day

Below are the detailed weather forecasts for Cornwall for the next 5 days. The forecasts shown are for Newquay and may not represent the whole of Cornwall. Browse more destinations in Cornwall to view more weather forecasts.

Cornwall weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 25 kph from the west.

18
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
61
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
25
kph wind from W

Cornwall weather for Tuesday 8th September 2026

Expect sunshine and showers in Cornwall with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 27 kph from the west.

17
°C maximum temperature
15
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
43
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Cornwall weather for Wednesday 9th September 2026

Expect broken clouds in Cornwall with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

16
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from NW

Cornwall weather for Thursday 10th September 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 26 kph from the west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
59
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
26
kph wind from W

Cornwall weather for Friday 11th September 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 24 kph from the north-west.