Johannesburg
Clear sky
Open-Meteo · weather model (not a station observation) ·
Hour by hour
Precipitation in the forecast from Thu 12:00 PM.
Open-Meteo · weather model (not a station observation) ·
View accessible hourly data
| Time | Conditions | Temp. | Feels | Rain chance | Precip. | Wind |
|---|---|---|---|---|---|---|
| Clear sky | 16° | 15° | 18% | 0 mm | 14 km/h | |
| Clear sky | 16° | 15° | 6% | 0 mm | 13 km/h | |
| Clear sky | 16° | 16° | 1% | 0 mm | 11 km/h | |
| Clear sky | 18° | 18° | 0% | 0 mm | 10 km/h | |
| Clear sky | 20° | 20° | 0% | 0 mm | 10 km/h | |
| Clear sky | 23° | 23° | 0% | 0 mm | 11 km/h | |
| Clear sky | 24° | 25° | 1% | 0 mm | 12 km/h | |
| Mainly clear | 26° | 28° | 2% | 0 mm | 11 km/h | |
| Mainly clear | 27° | 28° | 1% | 0 mm | 10 km/h | |
| Mainly clear | 28° | 30° | 0% | 0 mm | 9 km/h | |
| Mainly clear | 29° | 30° | 2% | 0 mm | 8 km/h | |
| Overcast | 29° | 30° | 9% | 0 mm | 8 km/h | |
| Overcast | 29° | 28° | 19% | 0 mm | 9 km/h | |
| Overcast | 28° | 27° | 24% | 0 mm | 7 km/h | |
| Partly cloudy | 26° | 26° | 21% | 0 mm | 1 km/h | |
| Mainly clear | 23° | 24° | 14% | 0 mm | 7 km/h | |
| Mainly clear | 22° | 23° | 8% | 0 mm | 4 km/h | |
| Clear sky | 22° | 23° | 4% | 0 mm | 4 km/h | |
| Clear sky | 22° | 22° | 2% | 0 mm | 5 km/h | |
| Clear sky | 22° | 23° | 0% | 0 mm | 2 km/h | |
| Clear sky | 22° | 22° | 0% | 0 mm | 3 km/h | |
| Clear sky | 21° | 21° | 0% | 0 mm | 3 km/h | |
| Clear sky | 20° | 20° | 0% | 0 mm | 5 km/h | |
| Clear sky | 19° | 19° | 0% | 0 mm | 7 km/h | |
| Clear sky | 19° | 18° | 0% | 0 mm | 8 km/h | |
| Clear sky | 18° | 18° | 0% | 0 mm | 10 km/h | |
| Clear sky | 18° | 18° | 0% | 0 mm | 12 km/h | |
| Clear sky | 20° | 20° | 0% | 0 mm | 13 km/h | |
| Clear sky | 22° | 21° | 0% | 0 mm | 16 km/h | |
| Clear sky | 24° | 23° | 0% | 0 mm | 18 km/h | |
| Clear sky | 26° | 26° | 0% | 0 mm | 18 km/h | |
| Mainly clear | 27° | 28° | 0% | 0 mm | 18 km/h | |
| Light drizzle | 28° | 28° | 10% | 0.1 mm | 17 km/h | |
| Light drizzle | 28° | 29° | 24% | 0.2 mm | 17 km/h | |
| Light drizzle | 28° | 28° | 37% | 0.2 mm | 14 km/h | |
| Light drizzle | 27° | 25° | 50% | 0.3 mm | 16 km/h | |
| Light drizzle | 26° | 24° | 63% | 0.2 mm | 15 km/h | |
| Overcast | 25° | 25° | 71% | 0 mm | 10 km/h | |
| Overcast | 25° | 25° | 70% | 0 mm | 6 km/h | |
| Overcast | 24° | 25° | 63% | 0 mm | 3 km/h | |
| Slight rain showers | 21° | 22° | 59% | 1.4 mm | 5 km/h | |
| Light drizzle | 19° | 20° | 61% | 0.1 mm | 8 km/h | |
| Overcast | 20° | 20° | 65% | 0 mm | 10 km/h | |
| Slight rain showers | 18° | 19° | 67% | 1.4 mm | 6 km/h | |
| Moderate drizzle | 18° | 17° | 65% | 0.5 mm | 14 km/h | |
| Partly cloudy | 18° | 18° | 61% | 0 mm | 14 km/h | |
| Light drizzle | 17° | 17° | 55% | 0.1 mm | 15 km/h |
Weather radar
US radar coverage only. Other regions are not supported.
Illustrative map · not live radarRadar shows precipitation, not a forecast. Coverage and observations may be delayed.
10-day forecast
| Day | Conditions | Rain | Low | Temperature range | High |
|---|---|---|---|---|---|
| Light drizzle | 52% | 16° | 29° | ||
| Slight rain showers | 71% | 18° | 29° | ||
| Slight rain showers | 71% | 17° | 28° | ||
| Thunderstorm | 63% | 16° | 27° | ||
| Thunderstorm | 70% | 11° | 24° | ||
| Light drizzle | 23% | 9° | 19° | ||
| Light drizzle | 22% | 13° | 29° | ||
| Clear sky | 11% | 18° | 33° | ||
| Clear sky | 8% | 20° | 34° | ||
| Light drizzle | 45% | 17° | 30° |
Open-Meteo · weather model (not a station observation) ·
Your day,
at a glance.
- Model temperature is 17°C: clear sky.
- Highest available rain probability in the next 12 forecast hours: 35%.
- Model sea-level pressure rises by 1.2 hPa across the next three hours.
- Official alert status is not current; absence of warnings cannot be confirmed.
A rules-based summary of this forecast. Not AI-generated.
Open-Meteo · weather model (not a station observation) ·
A little time outside
Official alerts are unavailable or stale here. Outdoor recommendations are paused; the forecast is not a safety assessment.
Open-Meteo · weather model (not a station observation) ·
Beyond the temperature
Feels like
16°
Actual temperature 17°
What affects this?
Apparent temperature combines air temperature, humidity, wind and radiation.
Open-Meteo · weather model (not a station observation) ·
Precipitation
0.1 mm
52% daily probability
Next wet hour: Thu 12:00 PM · 0.1 mm
Open-Meteo · weather model (not a station observation) ·
Wind
13 km/h
Gusts 28 km/h
From 6°
Open-Meteo · weather model (not a station observation) ·
Humidity
82%
Dew point 13°
Dew point valid 3:00 AM
Open-Meteo · weather model (not a station observation) ·
Air quality
88US AQI
Moderate
Particles & scale
US EPA AQI scale. PM2.5: 18.4 µg/m³. PM10: 18.5 µg/m³. European AQI: 44.
Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe ·
UV index
9.8daily max
Very high · limit midday exposure
Open-Meteo · weather model (not a station observation) ·
Pressure & visibility
1017.7hPa
Forecast trend: steady
31.4 km visibility
Visibility valid 3:00 AM
Open-Meteo · weather model (not a station observation) ·
Sun & daylight
13h 10m of daylight
Open-Meteo · weather model (not a station observation) ·
Moon phase
Waning crescent
26.6% illuminated
Astronomical calculation, not an observation.
Calculated with SunCalc · 3:45 AM
Pollen
Not available here
Pollen coverage varies by region. No estimated scores are shown.
Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe ·
Official alerts
Outside US alert coverage
This does not mean there are no alerts. Check your local meteorological authority.
Coverage & sourcesUnavailable · Coverage unavailable
Sources, freshness & how to read this forecast
Times are local to Johannesburg (Africa/Johannesburg). Forecasts and modeled environmental data are not on-site observations. A dash means a value is unavailable. Cached results are labeled; longer-range forecasts are less certain.
Forecast: Open-Meteo · weather model (not a station observation) · fresh · Fetched
Air quality & pollen: Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · fresh · Fetched
Official alerts: Provider data is not supported for this region.
Read our methodology →