Cape Town Weather Forecast:

Wednesday, 20 August 2025: Wet Afternoon and Heavy Night Showers

On Wednesday, the Cape Town weather forecast predicts a daytime high of 17°C, with a RealFeel® of 14°C. Winds will blow from the north-northwest at 20 km/h, gusting up to 50 km/h. A stray afternoon shower is possible, with cloud cover reaching 93%. The chance of rain is 62%, and although daytime showers will be light, the skies will remain dark and damp.

Conditions worsen at night as temperatures dip to 13°C (RealFeel® 10°C). AccuWeather warns of occasional rain, with a 91% probability of precipitation and up to 11.5 mm expected. Rainfall may persist for over six hours, accompanied by gusts of nearly 40 km/h. This marks the heaviest rainfall of the forecast period for Cape Town.

Thursday, 21 August 2025: Morning Rain and Drizzle in Cape Town

Thursday continues the unsettled pattern with a high of 18°C (RealFeel® 17°C). Expect rain and drizzle in the morning, gradually easing into thick cloud cover. Winds from the northwest will persist at 17 km/h, with gusts up to 50 km/h. The probability of precipitation is 90%, delivering around 7.6 mm of rain.

Nighttime temperatures drop to 11°C, with a RealFeel® of 8°C. The forecast indicates cloudy skies and a 70% chance of showers, adding another 3.8 mm of rain. Winds remain brisk, with gusts up to 43 km/h. Residents should be cautious on the roads, as wet conditions may continue into the late evening.

Friday, 22 August 2025: Easing Conditions

By Friday, Cape Town experiences slightly improved conditions. Daytime highs will reach 17°C (RealFeel® 16°C), with moderate UV exposure (index 4). The Cape Town weather forecast shows mostly cloudy skies with occasional showers, contributing to 2 mm of rainfall. Winds from the west-northwest will reach speeds of 17 km/h, gusting up to 52 km/h.

Friday night sees the weather calming down, with partly cloudy skies and lows of 12°C. Rainfall chances decrease to 25%, and although gusts may peak at 59 km/h, residents can expect a drier evening compared to earlier in the week.

Cape Town Weather Forecast: Outlook and Preparation

The next three days will bring cloudy, windy, and rainy weather in Cape Town, particularly on Wednesday night and Thursday morning when showers are most intense. While Friday offers some respite, conditions remain breezy and cool.

For the latest regional warnings and updates, visit the South African Weather Service.

For readers interested in more local updates, see our South Africa Weather section on Titus News.