Weather Johannesburg long-term weather forecast

Long-term weather forecast for Johannesburg for ten days.

Wednesday, Sep 10

26 / 14°C

0.0 mm

10 km/h

16 °C	13 °C	2 am
16 °C	14 °C	8 am
25 °C	23 °C	2 pm
21 °C	19 °C	8 pm

sunrise 6:10 am
sunset 5:59 pm

HOURLY

During the day morning overcast, later morning clear, in the evening initially clear, later partly cloudy. The highest temperature 26 °C. At night clear. The lowest temperature 14 °C.

Interactive map weather Republic of South Africa

GPS: -26.2023; 28.0436

altitude: 1767 m
local time:

PLACES IN THE AREA

Weather forecast Johannesburg, Republic of South Africa extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 09/10/2025
2 AM 5 AM	overcast	16 °C 14 °C	0.0 mm	3.1 m/s 11 km/h north-northeast	1024 hPa	40 %	2 °C	100 %	0%	0%	100%	16%
8 AM 11 AM	clear	16 °C 14 °C	0.0 mm	4.6 m/s 17 km/h north-northeast	1025 hPa	48 %	5 °C	0 %	0%	0%	0%	0%
2 PM 5 PM	clear	25 °C 23 °C	0.0 mm	2.7 m/s 10 km/h north	1019 hPa	21 %	1 °C	10 %	0%	0%	10%	0%
8 PM 11 PM	partly cloudy	21 °C 19 °C	0.0 mm	2.0 m/s 7 km/h north-northwest	1020 hPa	29 %	2 °C	15 %	0%	0%	15%	0%
Thursday 09/11/2025
2 AM 5 AM	clear	16 °C 13 °C	0.0 mm	3.7 m/s 13 km/h north	1021 hPa	34 %	0 °C	0 %	0%	0%	0%	0%
8 AM 11 AM	clear	18 °C 16 °C	0.0 mm	2.7 m/s 10 km/h north-northwest	1022 hPa	30 %	0 °C	0 %	0%	0%	0%	0%
2 PM 5 PM	cloudy	28 °C 26 °C	0.0 mm	1.6 m/s 6 km/h north-northwest	1016 hPa	16 %	0 °C	47 %	0%	0%	47%	0%
8 PM 11 PM	clear	22 °C 20 °C	0.0 mm	1.5 m/s 5 km/h north-northwest	1017 hPa	25 %	1 °C	2 %	0%	0%	2%	0%

Johannesburg, Republic of South Africa - information

State: Republic of South Africa

GPS coordinates: -26.2023; 28.0436

Time zone: Africa / Johannesburg

Population: 5 635 127
Altitude: 1767 m
The administrative part:

Gauteng, Johannesburg
City of Johannesburg Metropolitan Municipality, Johannesburg

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Data source

Weather forecast for Johannesburg is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

	average	min.	max.	precipit… days
January				12
February				8
March				8
April				7
May				2
June				1
July				1
August				1
September				3
October				7
November				11
December				11

Statistical averages in charts Johannesburg

Astronomical information Johannesburg

data are always in the local time

Sun and light

Sept. 10, 2025

Sunrise:	Sunset:
6:10 am	5:59 pm
Noon:	Length of day:
12:04 pm	11:48
Start of civil twilight*:	End of civil twilight*:
5:46 am	6:22 pm
Start of nautical twilight*:	End of nautical twilight*:
5:20 am	6:49 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:54 am	7:15 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/09/2025 7:55 pm	09/10/2025 7:41 am
Next new moon:	Next full moon:
09/22/2025	10/07/2025