Weekend Weather Forecast - Cape Town

Weekend weather in Cape Town. Saturday high 20°C (68°F). Sunday high 27°C (81°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +21°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
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Temperature · peaks at +22°C

Weekend Activity Outlook

Travel / Drive
Rating
Poor
Reason
Heavy rain — road conditions poor
Outdoor Sports
Rating
Poor
Reason
Wet field — matches likely cancelled
Home / Laundry
Rating
Poor
Reason
Rain will prevent outdoor drying
Outdoor Events
Rating
Poor
Reason
Venue should have indoor backup ready

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Cape Town is forecast to reach a high of 20°C this weekend, with an overnight low around 16°C. That's 4° above the long-term average high of 16°C for this time of year. It continues a recent pattern — 10 of the last 19 days with published data have run warmer than normal. Expect a fair chance of rain (40% probability) and moderate breezes averaging 28 km/h. Air quality is currently Moderate (AQI 56), driven mainly by PM2.5 at 12 μg/m³.

Today vs Normal

21°C+5° above normal

The long-term average high for today is 16°C.

10 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 16°C16°2026-08-20: 16°C16°2026-08-21: 17°C17°2026-08-22: 16°C16°2026-08-23: 16°C16°2026-08-24: 16°C16°2026-08-25: 17°C17°2026-08-26: 19°C19°2026-08-27: 17°C17°2026-08-28: 16°C16°2026-08-29: 15°C15°2026-08-30: 15°C15°

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.