Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 19°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Saturday
29th Aug
19

17

4

5
Sunday
30th Aug
18

16

4

3
Monday
31st Aug
18

15

2

4
Tuesday
1st Sep
19

14

6

4
Wednesday
2nd Sep
20

15

4

5

5-day weather forecast updated at 04:00 on Saturday 29th August 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 Saturday 29th August 2026

Expect isolated thunderstorms in Cornwall with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a fresh breeze of 37 kph from the west.

19
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
79
% chance of some rain
<20
mm of rainfall expected
19
°C wind chill
37
kph wind from W

Cornwall weather for Sunday 30th August 2026

Expect isolated thunderstorms in Cornwall with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a fresh breeze of 32 kph from the south-west.

18
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
96
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
32
kph wind from SW

Cornwall weather for Monday 31st August 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a fresh breeze of 31 kph from the north-west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
28
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
31
kph wind from NW

Cornwall weather for Tuesday 1st September 2026

Expect sunshine and showers in Cornwall with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 22 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
35
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
22
kph wind from SW

Cornwall weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a fresh breeze of 29 kph from the west.