Weekend Weather Forecast - Sydney

Weekend weather in Sydney. Saturday high 20°C (68°F). Sunday high 21°C (70°F).

Weekend Hourly Forecast

Fri·11 Sep
··
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00

Temperature · peaks at +19°C

48-Hour Weekend Forecast Chart

··
Fri11 Sep
Sat12 Sep
Sun13 Sep
Night
Morning
Day
Evening
Night
Morning
Day
Evening
Night
Morning
Day
Evening

Temperature · peaks at +19°C

Weekend Activity Outlook

Travel / Drive
Rating
Great
Reason
Clear roads — ideal for a drive (Morning is best)
Outdoor Sports
Rating
Great
Reason
Excellent conditions — low humidity, clear skies
Home / Laundry
Rating
Great
Reason
High wind (19 km/h) — excellent drying
Outdoor Events
Rating
Great
Reason
Clear skies — perfect for weddings or outdoor gatherings

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Sydney is forecast to reach a high of 20°C this weekend, with an overnight low around 10°C. That's 1° above the long-term average high of 19°C for this time of year. It continues a recent pattern — 22 of the last 28 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 16 km/h. Air quality is currently Moderate (AQI 63), driven mainly by PM2.5 at 16 μg/m³.

Today vs Normal

19°C0° below normal

The long-term average high for today is 19°C.

22 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 18°C18°2026-08-29: 18°C18°2026-08-30: 19°C19°2026-08-31: 20°C20°2026-09-01: 23°C23°2026-09-02: 24°C24°2026-09-03: 23°C23°2026-09-04: 21°C21°2026-09-05: 26°C26°2026-09-06: 20°C20°2026-09-07: 21°C21°2026-09-08: 17°C17°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.