See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
14°
Mostly Clear
Feels Like: 14°
Min: 14°
Max: 20°
The next few hours will be mostly clear, with today reaching 20°C and dropping to 13°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:23
Sunrise
18:11
Sunset
Moon
Waxing Crescent
08:21
Moonrise
22:52
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Clarkson.
Resources
UV Index
Humidity
Weather in Clarkson today, September 15, 2026
Expect unsettled, showery conditions in Clarkson on September 15, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning skies stay relatively clear, holding cloud close to 41% near 11:00. The early part of the day favours being outside.
The temperature range runs from about 14°C up to 20°C. The air stays humid, with relative humidity between 63% and 91% and the peak around 04:00. Expect gentle winds, highest near 05:00 at 3.4 km/h.
Afternoon skies stay clogged, peaking close to 93% near 23:00. The grey theme continues rather than clearing out. Visibility stays near 16.1 km. Daylight runs from 06:23 to 18:11, lasting 11 hours 48 minutes of sunlight today.
Taken together, Clarkson looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 20°C.
Frequently asked questions about weather in Clarkson
How warm does it get in Clarkson?
The warmest month in Clarkson is January, with average high temperatures of 24°C. The average temperature during this period is around 20°C.
How cold does it get in Clarkson?
The coldest month in Clarkson is July, with average low temperatures of 10°C. The average temperature during this period is around 14°C.
What is the wettest time of year in Clarkson?
The wettest month in Clarkson is September, with an average of 60mm of precipitation.
What is the driest time of year in Clarkson?
The driest month in Clarkson is April, with an average of 40mm of precipitation.
Explore more weather forecasts
- Kruisfontein, Eastern Cape
- Johannesburg, Gauteng
- Humansdorp, Eastern Cape
- Cape Town, Western Cape
- Jeffreys Bay, Eastern Cape
- Durban, KwaZulu-Natal
- Hankey, Eastern Cape
- Pretoria, Gauteng
- Kariega, Eastern Cape
- Soweto, Gauteng
- Port Elizabeth, Eastern Cape
- Kirkwood, Eastern Cape
- Soshanguve, Gauteng
- Bontrug, Eastern Cape
- Pietermaritzburg, KwaZulu-Natal