Cornwall Weather Forecast

Today 9 Jun
- 5
- 16
Mostly clear
Wed 10 Jun
- 8
- 16
Showers
Thu 11 Jun
- 3
- 15
Sunny
Fri 12 Jun
- 3
- 15
Shower or two
Sat 13 Jun
- 9
- 16
Showers
Sun 14 Jun
- 3
- 13
Mostly sunny
Mon 15 Jun
- 5
- 15
Possible shower

Today 9 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 10 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 11 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 12 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 13 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 14 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 15 Jun
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 9 Jun East Coast

Mostly clear. Winds northerly 15 to 25 km/h.

Cornwall Temperature Statistics View More

June Temperature

St Helens Aerodrome (27km)

Lowest 19 April, 2026
4.3 °C
Average 2026
15.5 °C
Highest 7 January, 2026
33.6 °C
Lowest 21 May, 2026
4.4 °C
Average May
13.3 °C
Highest 1 May, 2026
24.9 °C
Lowest 1 June, 2026
4.8 °C
Average June
10.9 °C
Highest 7 June, 2026
17.3 °C

Climate (2021–Present)

St Helens Aerodrome (27km)

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Average Low 2021–2026
9.4 °C
Average 2021–2026
13.4 °C
Average High 2021–2026
18.3 °C

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