SA Weather Service · Updated 18:17 SAST
Marseille Crescent South Africa · -33.83°S, 18.68°E
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15°
Partly Cloudy Feels like 0°C
High: 17°
Low: 15°
Wind 3 km/h SSE (F1)
Humidity 91% Dry
Rain 1h 0.0 mm
Pressure 1017 hPa Steady
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Synoptic Summary
Current observations indicate partly cloudy conditions with air temperature 15°C, wind chill reduces apparent temperature to 0°C, surface wind SSE at 3 km/h (Beaufort 1), RH 91% with dew point 0°C (depression 15.4°C), MSL pressure 1017 hPa.
Solar Position
07:33
17:50
Solar Noon 12:41
10h 17m daylight
Declination 19.86°
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
3 km/h
SSE · Gusts 0 km/h · F1
UV Index
—
— · Burn time ~N/A
Humidity
91%
Dew point 0°C · Dry
Pressure
1017 hPa
Steady · →
Feels Like
0°
Close to actual
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ) 1.2206 kg/m³
Sat. Vapor Press. (es) 17.5 hPa
Act. Vapor Press. (ea) 15.9 hPa
Mixing Ratio (ω) 9.85 g/kg
Dew Point Depression 15.4 °C
Pressure Tendency → Steady
Cloud Layers
Total OVC 82%
Stability & Wind
Atm. Stability ↕️ Conditionally Unstable
LCL Analysis LCL 1925m – conditional instability, triggering needed
Beaufort Scale F1 – Light air
Land Effects Smoke drifts
Sea State Ripple-like
Precip & Fire
Rain 1h 0.0 mm
Rain 6h 0.0 mm
POP 1h / 6h — / —
Thunder Prob. 0%
Fire Danger (FDI) 1 Low
FDI Guidance Low risk of fire ignition
Astronomy & Solar Sun & Moon data
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10h 17m
Day Length
Solar noon: 12:41 Declination: 19.86°
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Waxing Crescent
Moon Phase
Illumination: 15.4% Age: 3.8 days