Perth, Australia 14-Day Forecast
Australia 🇦🇺
49°
Clear right now
Today: high 64°, low 48°
Updated 3 hours ago
Perth weather for the next 14 days
Friday, August 14
Sunny High 68° Low 50°Precipitation
4%
· 0.0 in
Max wind
7 mph
Humidity
59%
UV index
5 - Moderate
Sunrise / sunset
06:53 AM / 05:48 PM
Saturday, August 15
Sunny High 70° Low 53°Precipitation
4%
· 0.0 in
Max wind
10 mph
Humidity
58%
UV index
5 - Moderate
Sunrise / sunset
06:52 AM / 05:49 PM
Sunday, August 16
Sunny High 73° Low 56°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
55%
UV index
5 - Moderate
Sunrise / sunset
06:51 AM / 05:50 PM
Monday, August 17
Patchy rain nearby High 66° Low 58°Precipitation
69%
· 0.14 in
Max wind
23 mph
Humidity
70%
UV index
4 - Moderate
Sunrise / sunset
06:50 AM / 05:50 PM
Tuesday, August 18
Sunny High 61° Low 51°Precipitation
5%
· 0.0 in
Max wind
15 mph
Humidity
52%
UV index
6 - High
Sunrise / sunset
06:49 AM / 05:51 PM
Wednesday, August 19
Patchy rain nearby High 63° Low 50°Precipitation
57%
· 0.05 in
Max wind
14 mph
Humidity
65%
UV index
5 - Moderate
Sunrise / sunset
06:48 AM / 05:51 PM
Thursday, August 20
Patchy rain nearby High 62° Low 56°Precipitation
30%
· 0.01 in
Max wind
14 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
06:47 AM / 05:52 PM
Friday, August 21
Patchy rain nearby High 63° Low 55°Precipitation
62%
· 0.08 in
Max wind
18 mph
Humidity
66%
UV index
5 - Moderate
Sunrise / sunset
06:46 AM / 05:53 PM
Saturday, August 22
Sunny High 63° Low 50°Precipitation
3%
· 0.0 in
Max wind
9 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:44 AM / 05:53 PM
Sunday, August 23
Sunny High 68° Low 49°Precipitation
3%
· 0.0 in
Max wind
11 mph
Humidity
60%
UV index
6 - High
Sunrise / sunset
06:43 AM / 05:54 PM
Monday, August 24
Patchy rain nearby High 65° Low 55°Precipitation
57%
· 0.06 in
Max wind
13 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
06:42 AM / 05:55 PM
Tuesday, August 25
Patchy rain nearby High 59° Low 48°Precipitation
57%
· 0.05 in
Max wind
17 mph
Humidity
62%
UV index
5 - Moderate
Sunrise / sunset
06:41 AM / 05:55 PM
Wednesday, August 26
Sunny High 60° Low 45°Precipitation
3%
· 0.0 in
Max wind
10 mph
Humidity
54%
UV index
6 - High
Sunrise / sunset
06:40 AM / 05:56 PM
Perth 14-day outlook: the story
The warmest day of Perth's 14-day outlook is Sunday, August 16 with a high near 73°F (23°C); the coolest night comes Wednesday, August 26, dipping to 45°F (7°C). The trend points cooler: week two runs about 3°F below week one. Highs over the next two weeks average 66°F (19°C), right in line with the typical August high of 64°F (18°C).
Precipitation is most likely on Monday 17, Wednesday 19, Friday 21, Monday 24 and beyond; the wettest day looks like Monday, August 17 with about 0.14 in (3.6 mm) expected. For the weekend, expect Saturday 70°F (21°C) and sunny / Sunday 73°F (23°C) and sunny.
For typical conditions month by month, see the Perth climate & average temperatures guide.
Perth forecast questions
Will it rain in Perth this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Monday, August 17.
What will be the warmest day in Perth over the next 14 days?
Sunday, August 16, with a forecast high near 73°F (23°C).
How accurate is a 14-day forecast for Perth?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Perth by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 86° | 66° | 2 | 0.9 in | 12.8 h/day | 53% |
| February | 86° | 67° | 2 | 0.8 in | 12.3 h/day | 56% |
| March | 83° | 65° | 5 | 1.6 in | 10.9 h/day | 60% |
| April | 76° | 59° | 6 | 1.6 in | 10.0 h/day | 65% |
| May | 70° | 54° | 8 | 3.1 in | 9.0 h/day | 69% |
| June | 65° | 51° | 12 | 4.1 in | 8.5 h/day | 75% |
| July | 63° | 51° | 15 | 4.6 in | 8.4 h/day | 76% |
| August | 64° | 50° | 13 | 4.2 in | 9.5 h/day | 75% |
| September | 67° | 51° | 7 | 1.7 in | 10.8 h/day | 72% |
| October | 71° | 55° | 6 | 1.5 in | 11.4 h/day | 68% |
| November | 78° | 59° | 4 | 0.9 in | 12.9 h/day | 61% |
| December | 83° | 64° | 2 | 0.3 in | 13.4 h/day | 54% |