Boulder Weather Forecast

Today 18 May
- 6
- 22
Sunny
Tue 19 May
- 8
- 23
Sunny
Wed 20 May
- 9
- 24
Sunny
Thu 21 May
- 10
- 23
Partly cloudy
Fri 22 May
- 10
- 20
Possible shower
Sat 23 May
- 9
- 18
Partly cloudy
Sun 24 May
- 6
- 19
Partly cloudy

Today 18 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 19 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 20 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 21 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 22 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sat 23 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 24 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 18 May Kalgoorlie

Sunny. Light winds.

Boulder Temperature Statistics View More

May Temperature

Kalgoorlie-Boulder Airport (3km)

Lowest 3 May, 2026
5.2 °C
Average 2026
22.6 °C
Highest 4 January, 2026
45 °C
Lowest 22 April, 2026
9.1 °C
Average April
19.9 °C
Highest 20 April, 2026
35.7 °C
Lowest 3 May, 2026
5.2 °C
Average May
13.9 °C
Highest 13 May, 2026
24.9 °C

Climate (2021–Present)

Kalgoorlie-Boulder Airport (3km)

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Average Low 2021–2026
12.6 °C
Average 2021–2026
19.2 °C
Average High 2021–2026
26.1 °C

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