Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 15°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Wednesday
20th May
15

12

5

UV4
Thursday
21st May
19

12

3

UV6
Friday
22nd May
19

13

2

UV5
Saturday
23rd May
17

11

8

UV6
Sunday
24th May
19

10

11

UV7

5-day weather forecast updated at 04:00 on Wednesday 20th May 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 Wednesday 20th May 2026

Expect broken clouds in Cornwall with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

15
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
31
kph wind from W

Cornwall weather for Thursday 21st May 2026

Expect broken clouds in Cornwall with a maximum temperature of 19°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

19
°C maximum temperature
12
°C minimum temperature
broken clouds
3
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
19
°C wind chill
25
kph wind from SE

Cornwall weather for Friday 22nd May 2026

Expect broken clouds in Cornwall with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.

19
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from S

Cornwall weather for Saturday 23rd May 2026

Expect broken clouds in Cornwall with a maximum temperature of 17°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

17
°C maximum temperature
11
°C minimum temperature
broken clouds
8
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Cornwall weather for Sunday 24th May 2026

Expect broken clouds in Cornwall with a maximum temperature of 19°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.