SA Weather Service · Updated 18:17 SAST
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Marseille Crescent

South Africa · -33.83°S, 18.68°E
☁️
15°
Partly CloudyFeels like 0°C
High: 17° Low: 15°
Wind3 km/hSSE (F1)
Humidity91%Dry
Rain 1h0.0 mm
Pressure1017 hPaSteady
7-Day Forecast
11°
22°
17° 18° 17° 20° 18° 22° 19° 15° 12° 13° 11° 13° 11° 12°
NOW
Today
20 May
🌡️
17°
15°
8 km/h
Thu
21 May
Partly Cloudy
18°
12°
0.4mm
10 km/h
Fri
22 May
☁️
Cloudy
17°
13°
3.3mm
12 km/h
Sat
23 May
☀️
Clear Sky
20°
11°
13 km/h
Sun
24 May
☁️
Cloudy
18°
13°
13 km/h
Mon
25 May
☀️
Clear Sky
22°
11°
13 km/h
Tue
26 May
☁️
Cloudy
19°
12°
10 km/h
Range 11°–22°C · MET Norway Forecast Model
Live Radar & Wind Powered by Windy.com
Live
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 →
Now
☁️
15°
3 SSE
22:00
☁️
15°
2 ESE
23:00
☁️
15°
2 ESE
00:00
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14°
3 ESE
01:00
☁️
14°
3 ENE
02:00
☁️
14°
5 NE
03:00
☁️
13°
8 NE
04:00
🌫️
12°
9 NNE
05:00
🌫️
12°
9 N
06:00
🌫️
12°
9 N
07:00
🌫️
12°
8 N
08:00
🌫️
12°
8 N
09:00
🌫️
12°
9 NNE
10:00
🌫️
13°
10 NNE
11:00
🌫️
14°
10 N
12:00
☁️
15°
10 N
13:00
☁️
17°
9 NNW
14:00
17°
9 NNW
15:00
18°
9 NW
16:00
☁️
18°
10 NW
17:00
17°
10 WNW
18:00
🌙
15°
10 W
19:00
🌙
13°
10 W
20:00
🌫️
13°
9 WNW
21:00
🌫️
13°
6 WNW
22:00
🌫️
12°
5 NW
23:00
🌫️
12°
4 NNW
00:00
🌫️
13°
5 NNE
01:00
☁️
13°
7 NE
02:00
☁️
13°
8 NE
03:00
☁️
13°
9 NE
04:00
☁️
13°
10 NE
05:00
☁️
13°
9 NE
06:00
☁️
13°
7 NNE
07:00
☁️
14°
6 NNE
08:00
☁️
14°
7 NNE
09:00
☁️
14°
7 N
10:00
🌡️
14°
0.2mm
7 N
11:00
☁️
15°
7 N
12:00
☁️
16°
6 NNW
13:00
☁️
16°
7 WNW
14:00
☁️
16°
7 W
15:00
☁️
16°
6 W
16:00
☁️
17°
6 SSW
17:00
17°
6 S
18:00
🌙
15°
6 S
19:00
🌙
14°
8 S
20:00
🌙
14°
10 S
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
Cloud Cover
82%
Overcast
Pressure
1017 hPa
Steady · →
Feels Like
Close to actual
Fire Danger
1
Low
Visibility
50 km
Good
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 Depression15.4 °C
Pressure Tendency→ Steady
Cloud Layers
High
0%
Medium
0%
Low
0%
Fog
0%
Total OVC82%
Stability & Wind
Atm. Stability↕️ Conditionally Unstable
LCL AnalysisLCL 1925m – conditional instability, triggering needed
Beaufort ScaleF1 – Light air
Land EffectsSmoke drifts
Sea StateRipple-like
Precip & Fire
Rain 1h0.0 mm
Rain 6h0.0 mm
POP 1h / 6h— / —
Thunder Prob.0%
Fire Danger (FDI)1 Low
FDI GuidanceLow risk of fire ignition
Astronomy & Solar Sun & Moon data
🌅
07:33
Sunrise
🌇
17:50
Sunset
☀️
10h 17m
Day Length
Solar noon: 12:41
Declination: 19.86°
🌒
Waxing Crescent
Moon Phase
Illumination: 15.4%
Age: 3.8 days