10-Day Weather Forecast for Cornwall (ON)

Six-hourly outlook through Monday 13 July. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Saturday
4 Jul
Partly cloudy
23°C (73°F)
0.1 mm (0 in)
Mostly sunny
26°C (79°F)
0 mm (0 in)
Mostly clear
24°C (75°F)
0 mm (0 in)
Hourly ›
Sunday
5 Jul
Partly cloudy
19°C (66°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Partly cloudy
27°C (81°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
6 Jul
Partly cloudy
20°C (68°F)
0 mm (0 in)
Partly cloudy
20°C (68°F)
0 mm (0 in)
Partly cloudy
26°C (79°F)
0 mm (0 in)
Mostly clear
24°C (75°F)
0 mm (0 in)
Hourly ›
Tuesday
7 Jul
Clear skies
18°C (64°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Hourly ›
Wednesday
8 Jul
Partly cloudy
20°C (68°F)
0 mm (0 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Cloudy
29°C (84°F)
0 mm (0 in)
Partly cloudy
26°C (79°F)
0 mm (0 in)
Hourly ›
Thursday
9 Jul
Cloudy
22°C (72°F)
0.2 mm (0.01 in)
Rain
21°C (70°F)
4.3 mm (0.2 in)
Rain
23°C (73°F)
1.2 mm (0.05 in)
Light rain
23°C (73°F)
0.5 mm (0.02 in)
Hourly ›
Friday
10 Jul
Cloudy
21°C (70°F)
0.3 mm (0.01 in)
Light rain
22°C (72°F)
0.9 mm (0.04 in)
Heavy rain
26°C (79°F)
6 mm (0.2 in)
Cloudy
23°C (73°F)
0 mm (0 in)
Hourly ›
Saturday
11 Jul
Cloudy
21°C (70°F)
0 mm (0 in)
Cloudy
21°C (70°F)
0 mm (0 in)
Mostly sunny
26°C (79°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Hourly ›
Sunday
12 Jul
Clear skies
19°C (66°F)
0 mm (0 in)
Partly cloudy
20°C (68°F)
0 mm (0 in)
Mostly sunny
27°C (81°F)
0 mm (0 in)
Cloudy
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
13 Jul
Mostly clear
19°C (66°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Cornwall this week?

Today's weather - Saturday 4 Jul

For Saturday the predicted weather in Cornwall is mostly sunny with some rain. The maximum temperature is a warm 26°C (79°F), while the minimum temperature is a warm 23°C (73°F).

Tomorrow's weather - Sunday 5 Jul

For Sunday the forecast for Cornwall is partly cloudy. The maximum predicted temperature is a warm 27°C (81°F), while the minimum temperature is a pleasant 19°C (66°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Cornwall will reach 29°C (84°F) on Wednesday before declining again. Daytime highs during this period will average around 26°C (79°F), with nighttime lows around 20°C (68°F). Compared to normal July conditions, this is typical. There will be plenty of sunshine throughout this time. Precipitation levels will be less than usual (versus normal July rainfall), with mostly dry conditions. Precipitation is likely on about 2 days (Thu, Fri). Wind patterns will be generally calm.

Weather Forecast FAQ for Cornwall

When will be the warmest day next week?

The warmest day is expected to be Wednesday with a high of 29°C (84°F).

When will be the coldest day?

The coldest day is forecasted for Tuesday with a low of 18°C (64°F).

Will it rain next week in Cornwall?

Yes, rain is expected on 2 days , specifically on Thu, Fri.

How much rainfall is expected next week?

A total of 14 mm (0.6 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 18°C (64°F) to 29°C (84°F).

More about Cornwall

Explore the full Cornwall climate overview with monthly averages, or check rainfall data and temperature by month.

Cornwall weather by month

Browse monthly averages for Cornwall: climate by month with temperature, rainfall and sunshine.

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