The Cornwall long range forecast shows a slight warming trend, with temperatures gently rising above the seasonal average, 2.2 °F comparing to the historical average.
Select a month and click on a day for more information
Monday
Jun 1
16° / 9°
Tuesday
Jun 2
17° / 9°
Wednesday
Jun 3
16° / 8°
Thursday
Jun 4
16° / 8°
Friday
Jun 5
15° / 9°
Saturday
Jun 6
15° / 9°
Sunday
Jun 7
16° / 9°
Monday
Jun 8
16° / 9°
Tuesday
Jun 9
15° / 9°
Wednesday
Jun 10
17° / 11°
Thursday
Jun 11
17° / 10°
Friday
Jun 12
17° / 10°
Saturday
Jun 13
17° / 10°
Sunday
Jun 14
17° / 10°
Monday
Jun 15
17° / 10°
Tuesday
Jun 16
18° / 10°
Wednesday
Jun 17
18° / 11°
Thursday
Jun 18
17° / 10°
Friday
Jun 19
17° / 10°
Saturday
Jun 20
19° / 12°
Sunday
Jun 21
16° / 10°
Monday
Jun 22
18° / 10°
Tuesday
Jun 23
17° / 11°
Wednesday
Jun 24
18° / 12°
Thursday
Jun 25
17° / 11°
Friday
Jun 26
17° / 10°
Saturday
Jun 27
17° / 9°
Sunday
Jun 28
17° / 12°
Monday
Jun 29
18° / 11°
Tuesday
Jun 30
17° / 11°
Cornwall 30 days weather forecast
Check out our estimated 30 days weather forecast for Cornwall, this data is based on the average weather in Cornwall in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Cornwall next to the desired date.
Weather in Cornwall for the next 30 days
Click on a day for an hourly weather forecast
Cornwall long range weather forecast - FAQ
Do you provide 30 days weather forecast for Cornwall?
You can see the next 30 weather forecast for Cornwall at the top of the page, the next 14 days (from today) are more accurate, while the other is based on average of previous years.
Can I see the weather forecast for a particular date in Cornwall?
Sure, you can select the date from the calendar above to view the forecast in Cornwall on that date.
How accurate is the long-range weather forecast for Cornwall?
Our long-range weather forecast for Cornwall is provided by using statistics from previous years. Although we cannot predict the weather months in advance, we can see an average.
Can I see a long-range weather forecast for different countries?
Yes, we provide a 14 day weather forecast and a long-range weather forecast for different countries and cities. You can search for a location in the search box at the top of the page.
More about the weather in Cornwall