Cornwall weather live forecast

Today's maximum temperature in Cornwall is expected to be 21°C. Select a day from the live weather forecast for Cornwall (Newquay), UK for more weather parameters.

Saturday
15th Aug
21

16

9

6
Sunday
16th Aug
22

15

8

5
Monday
17th Aug
22

17

3

6
Tuesday
18th Aug
21

17

1

6
Wednesday
19th Aug
21

16

3

5

5-day weather forecast updated at 04:00 on Saturday 15th August 2026 GMT

More about Cornwall

Cornwall by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cornwall

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break finder

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 15th August 2026

Expect scattered clouds in Cornwall with a maximum temperature of 21°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.

21
°C maximum temperature
16
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
27
kph wind from N

Cornwall weather for Sunday 16th August 2026

Expect broken clouds in Cornwall with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

22
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
19
kph wind from N

Cornwall weather for Monday 17th August 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 22°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 23 kph from the west.

22
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
22
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

Cornwall weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 21°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 24 kph from the west.

21
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
44
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
24
kph wind from W

Cornwall weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in Cornwall with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a fresh breeze of 29 kph from the north-west.