FORECASTS / REPORTING / WORLD WEATHERIndependent editorial review · Asia/Tbilisi

Johannesburg Weather Now, South Africa

Current model conditions, today's hourly weather and a seven-day forecast inJohannesburg's local time.

Use Fahrenheit

Local city time: · Africa/Johannesburg

Weather todayHourly forecastTomorrow's forecastNext 24 hours7-day forecastData sources
Current model estimate · 2026-10-21

Johannesburg temperature today

26.8°C

Clear sky · Feels like 26.8°C

Valid at
Modelled conditions, not a station observation.
Remaining sample high26.8°C
Remaining sample low19.2°C
Wind16.2 km/h
Wind gustsNot available
Rain probabilityNot available
Precipitation amountNot available

Hourly forecast

Next available hours · Africa/Johannesburg. Repeated local hours include their timezone offset.

Temperature°C · Africa/Johannesburg
1218253121 Oct, 1822 Oct, 0923 Oct, 0023 Oct, 16
Precipitation amountmm · Africa/Johannesburg
0.00.30.71.021 Oct, 1822 Oct, 0923 Oct, 0023 Oct, 16
View all 48 hourly values
47 available hourly values. Missing values are never replaced by zero.
City-local timeTemperatureRain chanceAmountWindGustsHumidity
25.6°CNot available0.0 mm13.0 km/hNot available15.4%
23.5°CNot available0.0 mm10.1 km/hNot available19.8%
21.9°CNot available0.0 mm10.1 km/hNot available23.7%
20.6°CNot available0.0 mm7.6 km/hNot available27.4%
19.8°CNot available0.0 mm5.8 km/hNot available29.7%
19.2°CNot available0.0 mm5.4 km/hNot available31.8%
18.5°CNot available0.0 mm6.8 km/hNot available31.5%
17.7°CNot available0.0 mm6.8 km/hNot available32.8%
16.8°CNot available0.0 mm6.8 km/hNot available35.7%
16.1°CNot available0.0 mm6.8 km/hNot available38.2%
15.6°CNot available0.0 mm6.5 km/hNot available38.8%
15.2°CNot available0.0 mm6.1 km/hNot available39.1%
15.6°CNot available0.0 mm7.2 km/hNot available37.4%
18.7°CNot available0.0 mm7.9 km/hNot available31.3%
21.6°CNot available0.0 mm6.5 km/hNot available25.1%
23.7°CNot available0.0 mm6.5 km/hNot available20.4%
25.4°CNot available0.0 mm11.2 km/hNot available18%
26.5°CNot available0.0 mm14.0 km/hNot available17%
27.4°CNot available0.0 mm15.8 km/hNot available16.8%
27.9°CNot available0.0 mm18.7 km/hNot available17.8%
28.0°CNot available0.0 mm20.2 km/hNot available19%
27.6°CNot available0.0 mm20.5 km/hNot available20.6%
27.0°CNot available0.0 mm19.8 km/hNot available22.5%
26.0°CNot available0.0 mm18.4 km/hNot available25.3%
24.2°CNot available0.0 mm17.3 km/hNot available30%
22.6°CNot available0.0 mm16.2 km/hNot available34.2%
21.6°CNot available0.0 mm14.4 km/hNot available36.1%
20.3°CNot available0.0 mm13.7 km/hNot available37.7%
19.4°CNot available0.0 mm13.3 km/hNot available39.2%
18.7°CNot available0.0 mm13.0 km/hNot available39.9%
17.9°CNot available0.0 mm13.3 km/hNot available41.5%
17.1°CNot available0.0 mm10.1 km/hNot available43.7%
16.7°CNot available0.0 mm8.3 km/hNot available43.8%
16.2°CNot available0.0 mm8.3 km/hNot available44.2%
15.5°CNot available0.0 mm9.0 km/hNot available46%
15.0°CNot available0.0 mm10.1 km/hNot available46.7%
14.8°CNot available0.0 mm10.4 km/hNot available46.9%
16.7°CNot available0.0 mm9.7 km/hNot available40.9%
19.0°CNot available0.0 mm11.5 km/hNot available33.6%
21.2°CNot available0.0 mm11.2 km/hNot available28.1%
23.4°CNot available0.0 mm7.9 km/hNot available24%
25.5°CNot available0.0 mm6.1 km/hNot available19.2%
27.3°CNot available0.0 mm7.9 km/hNot available14.4%
28.4°CNot available0.0 mm9.7 km/hNot available12.1%
28.9°CNot available0.0 mm11.5 km/hNot available11.2%
29.0°CNot available0.0 mm13.0 km/hNot available11.1%
28.5°CNot available0.0 mm13.7 km/hNot available11.4%

These figures compare available forecast samples, not full-day extrema. Today's earlier hours are not included.

Tomorrow's forecast · 2026-10-22

Forecast high: 28.0°C · Forecast low: 15.2°C

Tomorrow's forecast high is 1.2°C higher than today's forecast high. This compares forecasts from one snapshot, not observed records.

Planning window

Next 24 hours at a glance

Africa/Johannesburg

Calculated from 24 validated hourly model values in this snapshot. These are forecast signals, not observations or weather warnings.

Temperature span15.2°C to 28.0°CLowest and highest hourly estimate
Largest hourly precipitation amount0.0 mmModel hour 21 Oct 2026, 18:00 GMT+2
Strongest wind signal20.5 km/hWind at 22 Oct 2026, 15:00 GMT+2
Humidity range15.4% to 39.1%Across available hourly values

7-day forecast

Ranges of available forecast samples by city-local day; today covers remaining hours. These are not official daily extrema. Missing totals and probabilities are not estimated.
Local dateLow / HighRain chanceAmountSunriseSunsetUV index
2026-10-21 · Today19.2°C / 26.8°CNot availableNot availableNot availableNot availableNot available
2026-10-22 · Tomorrow15.2°C / 28.0°CNot availableNot availableNot availableNot availableNot available
2026-10-2314.8°C / 29.0°CNot availableNot availableNot availableNot availableNot available
2026-10-2413.5°C / 27.5°CNot availableNot availableNot availableNot availableNot available
2026-10-2517.2°C / 28.9°CNot availableNot availableNot availableNot availableNot available
2026-10-2620.7°C / 29.6°CNot availableNot availableNot availableNot availableNot available
2026-10-2721.4°C / 29.7°CNot availableNot availableNot availableNot availableNot available

Daily low/high values are ranges of available forecast samples, not official daily extrema. Today covers the remaining forecast hours.

Missing precipitation probabilities and local-day totals are unavailable, never inferred from market prices.

Provider time is the product update timestamp, not the underlying model run.

Data sources & methodology

Weather data from MET Norway (CC BY 4.0). Wind units converted; local-day sampled temperature ranges calculated by this site.MET Norway · Data licence · Location: GeoNames

Product: MET Norway Locationforecast — global numerical model forecast. Provider model issue time: 21 Oct 2026, 15:18 GMT+2. Retrieved: .

Requested coordinates: -26.20227, 28.04363. Returned model grid: -26.2022, 28.0436. Forecasts can change; they are not official warnings. Warning feed: not connected.

How validation, units and delayed updates work →

Related reporting

No reviewed reporting for this city has been published yet.

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