Perth, Australia 14-Day Forecast
Australia 🇦🇺
56°
Moderate or heavy rain shower right now
Today: high 57°, low 52°
Updated 1 hour ago
Perth weather for the next 14 days
Friday, August 28
Sunny High 64° Low 52°Precipitation
17%
· 0.0 in
Max wind
20 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
06:37 AM / 05:57 PM
Saturday, August 29
Sunny High 67° Low 51°Precipitation
9%
· 0.0 in
Max wind
17 mph
Humidity
71%
UV index
6 - High
Sunrise / sunset
06:36 AM / 05:58 PM
Sunday, August 30
Sunny High 72° Low 58°Precipitation
6%
· 0.0 in
Max wind
11 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
06:35 AM / 05:58 PM
Monday, August 31
Patchy rain nearby High 66° Low 63°Precipitation
50%
· 0.03 in
Max wind
15 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
06:34 AM / 05:59 PM
Tuesday, September 1
Patchy rain nearby High 63° Low 59°Precipitation
61%
· 0.09 in
Max wind
13 mph
Humidity
70%
UV index
6 - High
Sunrise / sunset
06:33 AM / 05:59 PM
Wednesday, September 2
Patchy rain nearby High 63° Low 60°Precipitation
63%
· 0.07 in
Max wind
12 mph
Humidity
69%
UV index
5 - Moderate
Sunrise / sunset
06:31 AM / 06:00 PM
Thursday, September 3
Patchy rain nearby High 64° Low 60°Precipitation
63%
· 0.12 in
Max wind
10 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
06:30 AM / 06:01 PM
Friday, September 4
Patchy rain nearby High 64° Low 59°Precipitation
79%
· 0.3 in
Max wind
16 mph
Humidity
74%
UV index
5 - Moderate
Sunrise / sunset
06:29 AM / 06:01 PM
Saturday, September 5
Patchy rain nearby High 64° Low 58°Precipitation
57%
· 0.05 in
Max wind
16 mph
Humidity
70%
UV index
6 - High
Sunrise / sunset
06:28 AM / 06:02 PM
Sunday, September 6
Sunny High 65° Low 56°Precipitation
7%
· 0.0 in
Max wind
12 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
06:26 AM / 06:02 PM
Monday, September 7
Sunny High 69° Low 58°Precipitation
7%
· 0.0 in
Max wind
12 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
06:25 AM / 06:03 PM
Tuesday, September 8
Sunny High 64° Low 56°Precipitation
10%
· 0.0 in
Max wind
13 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
06:24 AM / 06:04 PM
Wednesday, September 9
Sunny High 63° Low 54°Precipitation
8%
· 0.0 in
Max wind
11 mph
Humidity
71%
UV index
6 - High
Sunrise / sunset
06:22 AM / 06:04 PM
Perth 14-day outlook: the story
The warmest day of Perth's 14-day outlook is Sunday, August 30 with a high near 72°F (22°C); the coolest night comes Saturday, August 29, dipping to 51°F (10°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 64°F (18°C), right in line with the typical August high of 64°F (18°C).
Precipitation is most likely on Thursday 27, Monday 31, Tuesday 1, Wednesday 2 and beyond; the wettest day looks like Thursday, August 27 with about 1.39 in (35.3 mm) expected. For the weekend, expect Saturday 67°F (19°C) and sunny / Sunday 72°F (22°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 7 of the next 14 days, peaking around Thursday, August 27.
What will be the warmest day in Perth over the next 14 days?
Sunday, August 30, with a forecast high near 72°F (22°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% |