Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 22°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Monday
18th Aug
22

17

3

4
Tuesday
19th Aug
22

16

2

3
Wednesday
20th Aug
21

15

7

5
Thursday
21st Aug
20

13

12

4
Friday
22nd Aug
21

12

11

5

5-day weather forecast updated at 04:01 on Monday 18th August 2025 GMT

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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 18th August 2025

Expect broken clouds in Cornwall with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the south-east.

22
°C maximum temperature
17
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
33
kph wind from SE

Cornwall weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Cornwall with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 17 kph from the north-east.

22
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
54
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
17
kph wind from NE

Cornwall weather for Wednesday 20th August 2025

Expect broken clouds in Cornwall with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from NE

Cornwall weather for Thursday 21st August 2025

Expect clear skies in Cornwall with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

20
°C maximum temperature
13
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from N

Cornwall weather for Friday 22nd August 2025

Expect scattered clouds in Cornwall with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.