Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 14°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Tuesday
19th May
14

12

4

UV4
Wednesday
20th May
15

12

3

UV3
Thursday
21st May
18

13

4

UV6
Friday
22nd May
20

13

3

UV4
Saturday
23rd May
17

13

4

UV6

5-day weather forecast updated at 04:00 on Tuesday 19th 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 Tuesday 19th May 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 34 kph from the south-west.

14
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV4
UV index (Moderate)
72
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
34
kph wind from SW

Cornwall weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a fresh breeze of 31 kph from the west.

15
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
UV3
UV index (Moderate)
10
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Cornwall weather for Thursday 21st May 2026

Expect broken clouds in Cornwall with a maximum temperature of 18°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

18
°C maximum temperature
13
°C minimum temperature
broken clouds
4
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
18
°C wind chill
23
kph wind from S

Cornwall weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 24 kph from the south.

20
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
UV4
UV index (Moderate)
29
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
24
kph wind from S

Cornwall weather for Saturday 23rd May 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 17°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 18 kph from the north.