SA Weather Service · Updated 06:19 SAST
Holstein South Africa · -33.45°S, 18.39°E
High: 18°
Low: 11°
Wind 18 km/h NNE (F3)
Humidity 99% Dry
Rain 1h 0.0 mm
Pressure 1019 hPa Steady
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Synoptic Summary
Current observations indicate fog conditions with air temperature 12°C, wind chill reduces apparent temperature to 0°C, surface wind NNE at 18 km/h (Beaufort 3), RH 99% with dew point 0°C (depression 12.4°C), MSL pressure 1019 hPa.
Solar Position
07:34
17:52
Solar Noon 12:43
10h 18m daylight
Declination 19.97°
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
18 km/h
NNE · Gusts 0 km/h · F3
UV Index
—
— · Burn time ~N/A
Humidity
99%
Dew point 0°C · Dry
Pressure
1019 hPa
Steady · →
Feels Like
0°
Close to actual
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ) 1.2366 kg/m³
Sat. Vapor Press. (es) 14.4 hPa
Act. Vapor Press. (ea) 14.2 hPa
Mixing Ratio (ω) 8.79 g/kg
Dew Point Depression 12.4 °C
Pressure Tendency → Steady
Cloud Layers
Total OVC 100%
Stability & Wind
Atm. Stability ↕️ Conditionally Unstable
LCL Analysis LCL 1550m – conditional instability, triggering needed
Beaufort Scale F3 – Gentle breeze
Land Effects Leaves & twigs in motion
Sea State Small waves
Precip & Fire
Rain 1h 0.0 mm
Rain 6h 0.0 mm
POP 1h / 6h — / —
Thunder Prob. 0%
Fire Danger (FDI) 0.7 Low
FDI Guidance Low risk of fire ignition
Astronomy & Solar Sun & Moon data
☀️
10h 18m
Day Length
Solar noon: 12:43 Declination: 19.97°
🌒
Waxing Crescent
Moon Phase
Illumination: 19.5% Age: 4.3 days