Weather in Johannesburg - 14-day forecast

Detailed weather forecast for Johannesburg, South Africa: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Johannesburg

today☀️ 16°night 11°

Thu☀️ 16°night 11°

Fri☀️ 15°night 12°

Sat☁️ 14°night 12°

Sun☀️ 14°night 12°

Mon☀️ 14°night 12°

Tue☀️ 15°night 13°

Wed☀️ 16°night 14°

14-day forecast - Johannesburg

📅 Johannesburg 30 & 45-day weather - long-range outlook

Next 16 days · forecast

15°

around 13° at night · days with rain: 3

Weeks 3-4 · avg for July

20°

around 5° at night · rain chance 0%

Weeks 5-7 · avg for August

23°

around 6° at night · rain chance 0%

The 30 & 45-day outlook for Johannesburg: the next 16 days are a numerical forecast updated daily - on average 15° by day and 13° at night. Further out we rely on multi-year climate averages: around 20° in July, and about 23° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Johannesburg

Wednesday8 July 2026

☀️16°clear sky

sunrise 06:56 · sunset 17:30 · night 11° · evening 15° · humidity 19% · wind 3 m/s · clouds 15%

Thursday9 July 2026

☀️16°clear sky

sunrise 06:56 · sunset 17:30 · night 11° · evening 15° · humidity 22% · wind 4 m/s · clouds 1%

Friday10 July 2026

☀️15°clear sky

sunrise 06:56 · sunset 17:31 · night 12° · evening 15° · humidity 21% · wind 3 m/s · clouds 3%

Saturday11 July 2026

☁️14°broken clouds

sunrise 06:55 · sunset 17:31 · night 12° · evening 15° · humidity 19% · wind 3 m/s · clouds 69%

Sunday12 July 2026

☀️14°clear sky

sunrise 06:55 · sunset 17:32 · night 12° · evening 16° · humidity 30% · wind 4 m/s · clouds 10%

Monday13 July 2026

☀️14°clear sky

sunrise 06:55 · sunset 17:32 · night 12° · evening 16° · humidity 40% · wind 6 m/s · clouds 2%

Tuesday14 July 2026

☀️15°clear sky

sunrise 06:55 · sunset 17:33 · night 13° · evening 16° · humidity 36% · wind 4 m/s · clouds 1%

Wednesday15 July 2026

☀️16°clear sky

sunrise 06:55 · sunset 17:33 · night 14° · evening 18° · humidity 30% · wind 5 m/s · clouds 31%

Thursday16 July 2026

☀️17°clear sky

sunrise 06:54 · sunset 17:34 · night 13° · evening 19° · humidity 20% · wind 6 m/s · clouds 1%

Friday17 July 2026

☀️16°clear sky

sunrise 06:54 · sunset 17:34 · night 14° · evening 19° · rain 1.53 mm · humidity 28% · wind 2 m/s · clouds 57%

Saturday18 July 2026

☁️15°broken clouds

sunrise 06:54 · sunset 17:34 · night 13° · evening 18° · humidity 50% · wind 5 m/s · clouds 84%

Sunday19 July 2026

☁️15°overcast clouds

sunrise 06:53 · sunset 17:35 · night 14° · evening 17° · humidity 48% · wind 5 m/s · clouds 98%

Monday20 July 2026

☀️16°clear sky

sunrise 06:53 · sunset 17:35 · night 15° · evening 18° · humidity 47% · wind 6 m/s · clouds 11%

Tuesday21 July 2026

🌧️14°light rain

sunrise 06:53 · sunset 17:36 · night 12° · evening 17° · rain 9.9 mm · humidity 70% · wind 4 m/s · clouds 100%

Wednesday22 July 2026

🌧️13°moderate rain

sunrise 06:52 · sunset 17:36 · night 12° · evening 15° · rain 12.19 mm · humidity 71% · wind 4 m/s · clouds 100%

Thursday23 July 2026

🌧️15°light rain

sunrise 06:52 · sunset 17:37 · night 16° · evening 18° · rain 0.15 mm · humidity 64% · wind 4 m/s · clouds 51%

☀️ UV index in Johannesburg - is it safe to sunbathe?

Today the UV index in Johannesburg is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Air quality and smog in Johannesburg

Air quality in Johannesburg is currently sufficient. Fine particulate PM2.5: 73.6 µg/m³, PM10: 75.2 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Pretoria	188.6	189.1	very poor
Krugersdorp	136.9	137.8	very poor
Centurion	136	136.9	very poor
Johannesburg	73.6	75.2	sufficient
Tembisa	60.3	61.2	sufficient
Benoni	60.3	61.2	sufficient
Witbank	52.4	53.6	moderate
Botshabelo	31.7	32.7	good
Kapsztad	30.4	32.9	good
Welkom	25.2	26.4	good
Vereeniging	24.2	24.7	good
East London	17.2	19.7	good
Bloemfontein	16.2	16.5	good
Newcastle	15.5	15.9	good
Uitenhage	8.4	10.5	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 03:00).

Johannesburg weather through the year

Warmest, driest months on average: January, February, March, April.

🎉 Public holidays in Johannesburg - when are the long weekends?

Next long weekend in Johannesburg: National Women's Day (10 August, Monday) - Saturday–Monday (3 days off).

10 AugustMonday

National Women's Day

🎈 long weekend

24 SeptemberThursday

Heritage Day

🎈 long weekend + bridge day

16 DecemberWednesday

Day of Reconciliation

25 DecemberFriday

Christmas Day

🎈 long weekend

26 DecemberSaturday

Day of Goodwill

falls on a weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

22 MarchMonday 2027

Human Rights Day

🎈 long weekend

26 MarchFriday 2027

Good Friday

🎈 long weekend

29 MarchMonday 2027

Family Day

🎈 long weekend

27 AprilTuesday 2027

Freedom Day

🎈 long weekend + bridge day

1 MaySaturday 2027

Workers' Day

falls on a weekend

16 JuneWednesday 2027

Youth Day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

SowetoPretoria

FAQ - Johannesburg weather

What is the weather like in Johannesburg today?

Today it is about 16° during the day and 11° at night, clear sky.

How far ahead can I check the forecast for Johannesburg?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.