SA Weather Service · Updated Wednesday, 10 June 2026 · 20:45 SAST
Johannesburg R50 South Africa · -26.21°S, 28.05°E
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11°
Clear Sky Feels like 11°C
High: 12°
Low: 11°
Wind 10 km/h N (F2)
Humidity 72% Comfortable
Rain 1h 0.0 mm
Pressure 1024 hPa Steady
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Synoptic Summary
Current observations for Johannesburg R50 indicate clear sky conditions with air temperature 11°C, surface wind N at 10 km/h (Beaufort 2), RH 72% with dew point 0°C (depression 10.6°C), MSL pressure 1024 hPa.
Solar Position
06:51
17:23
Solar Noon 12:07
10h 32m daylight
Declination 22.99°
Meteogram 48-hour trend analysis
Temperature & Rain
Wind & Gust
Cloud & Humidity
UV Index
Temperature (°C)
Precipitation (mm)
POP (%)
Hourly Forecast Next 48h · Scroll →
Current Observations
Wind
10 km/h
N · Gusts 0 km/h · F2
UV Index
—
— · Burn time ~N/A
Humidity
72%
Dew point 0°C · Comfortable
Cloud Cover
0%
Mostly clear
Pressure
1024 hPa
Steady · →
Feels Like
11°
Close to actual
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ) 1.2529 kg/m³
Sat. Vapor Press. (es) 12.8 hPa
Act. Vapor Press. (ea) 9.2 hPa
Mixing Ratio (ω) 5.62 g/kg
Dew Point Depression 10.6 °C
Pressure Tendency → Steady
Stability & Wind
Atm. Stability ↕️ Conditionally Unstable
LCL Analysis LCL 1325m – conditional instability, triggering needed
Beaufort Scale F2 – Light breeze
Land Effects Leaves rustle, wind vane moves
Sea State Smooth wavelets
Precip & Fire
Rain 1h 0.0 mm
Rain 6h 0.0 mm
POP 1h / 6h — / —
Thunder Prob. 0%
Fire Danger (FDI) 6.7 Low
FDI Guidance Low risk of fire ignition
Astronomy & Solar Sun & Moon data
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10h 32m
Day Length
Solar noon: 12:07 Declination: 22.99°
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Waning Crescent
Moon Phase
Illumination: 22.4% Age: 24.9 days