St Helens Airport Weather Forecast

Today 20 May
- 5
- 18
Mostly sunny
Thu 21 May
- 5
- 17
Mostly sunny
Fri 22 May
- 5
- 17
Mostly sunny
Sat 23 May
- 7
- 17
Shower or two
Sun 24 May
- 10
- 18
Shower or two
Mon 25 May
- 7
- 15
Shower or two
Tue 26 May
- 6
- 15
Shower or two

Today 20 May
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 21 May
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 22 May
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 23 May
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 24 May
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 25 May
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 26 May
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 20 May St Helens

Mostly sunny. Winds southwesterly 15 to 20 km/h becoming light before dawn then becoming south to southwesterly 15 to 20 km/h in the early afternoon.

St Helens Airport Temperature Statistics View More

May Temperature

St Helens Aerodrome (0km)

Lowest 19 April, 2026
4.3 °C
Average 2026
16.1 °C
Highest 7 January, 2026
33.6 °C
Lowest 19 April, 2026
4.3 °C
Average April
14.3 °C
Highest 1 April, 2026
26 °C
Lowest 8 May, 2026
6.1 °C
Average May
13.7 °C
Highest 1 May, 2026
24.9 °C

Climate (2021–Present)

St Helens Aerodrome (0km)

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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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