SA Weather Service · Updated 15:27 SAST
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Nantes

South Africa · -33.96°S, 18.53°E
🌙
17°
Clear SkyFeels like 0°C
High: 22° Low: 16°
Wind7 km/hS (F2)
Humidity86%Dry
Rain 1h0.0 mm
Pressure1017 hPaSteady
7-Day Forecast
12°
22°
22° 17° 17° 20° 18° 21° 18° 16° 13° 13° 12° 14° 13° 13°
NOW
Today
20 May
🌡️
22°
16°
12 km/h
Thu
21 May
Partly Cloudy
17°
13°
17 km/h
Fri
22 May
☁️
Cloudy
17°
13°
8.0mm
13 km/h
Sat
23 May
☀️
Clear Sky
20°
12°
10 km/h
Sun
24 May
☁️
Cloudy
18°
14°
10 km/h
Mon
25 May
☀️
Clear Sky
21°
13°
9 km/h
Tue
26 May
☁️
Cloudy
18°
13°
7 km/h
Range 12°–22°C · MET Norway Forecast Model
Live Radar & Wind Powered by Windy.com
Live
Synoptic Summary
Current observations indicate clear sky conditions with air temperature 17°C, wind chill reduces apparent temperature to 0°C, surface wind S at 7 km/h (Beaufort 2), RH 86% with dew point 0°C (depression 17.4°C), MSL pressure 1017 hPa.
Solar Position
07:34 17:50 Solar Noon 12:42 NOW
10h 16m daylight Declination 19.84°
Meteogram 48-hour trend analysis
Temperature & Rain
Wind & Gust
Cloud & Humidity
UV Index
Temperature (°C) Precipitation (mm) POP (%)
Hourly Forecast Next 48h · Scroll →
Now
🌙
17°
7 S
19:00
🌙
17°
6 SSW
20:00
🌙
16°
5 SSW
21:00
☁️
16°
4 SSW
22:00
☁️
16°
4 SW
23:00
☁️
16°
4 SW
00:00
☁️
15°
3 SE
01:00
☁️
15°
4 WNW
02:00
☁️
15°
6 WNW
03:00
🌙
14°
7 NW
04:00
🌙
13°
9 NW
05:00
🌫️
13°
10 NNW
06:00
🌫️
13°
14 NNW
07:00
🌫️
14°
16 NNW
08:00
🌫️
13°
17 NNW
09:00
🌫️
13°
16 NNW
10:00
🌫️
13°
16 NNW
11:00
🌫️
14°
16 NNW
12:00
☁️
15°
16 NNW
13:00
17°
16 NNW
14:00
17°
17 NNW
15:00
17°
17 NW
16:00
16°
16 NW
17:00
🌤️
15°
14 NW
18:00
🌙
14°
12 NW
19:00
🌙
14°
12 NW
20:00
🌙
14°
12 NNW
21:00
☁️
13°
10 NNW
22:00
☁️
13°
10 NW
23:00
☁️
13°
10 NW
00:00
☁️
13°
11 NNW
01:00
☁️
14°
11 NNW
02:00
☁️
13°
11 NNW
03:00
☁️
13°
12 NNW
04:00
☁️
13°
13 NNW
05:00
☁️
13°
12 NNW
06:00
☁️
14°
11 NNW
07:00
☁️
14°
11 NNW
08:00
☁️
14°
12 NNW
09:00
🌧️
14°
0.3mm
13 NNW
10:00
🌧️
15°
0.4mm
13 NW
11:00
☁️
15°
13 NNW
12:00
☁️
16°
11 NW
13:00
☁️
16°
9 NW
14:00
☁️
16°
7 NW
15:00
☁️
17°
3 NW
16:00
🌡️
17°
0.1mm
6 SSE
17:00
☁️
17°
8 S
Current Observations
Wind
7 km/h
S · Gusts 0 km/h · F2
UV Index
— · Burn time ~N/A
Humidity
86%
Dew point 0°C · Dry
Cloud Cover
1%
Mostly clear
Pressure
1017 hPa
Steady · →
Feels Like
Close to actual
Fire Danger
4
Low
Visibility
50 km
Good
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ)1.2116 kg/m³
Sat. Vapor Press. (es)19.9 hPa
Act. Vapor Press. (ea)17.1 hPa
Mixing Ratio (ω)10.61 g/kg
Dew Point Depression17.4 °C
Pressure Tendency→ Steady
Cloud Layers
High
0%
Medium
0%
Low
0%
Fog
0%
Total OVC1%
Stability & Wind
Atm. Stability➡️ Neutral
LCL AnalysisLCL 2175m – stable boundary layer
Beaufort ScaleF2 – Light breeze
Land EffectsLeaves rustle, wind vane moves
Sea StateSmooth wavelets
Precip & Fire
Rain 1h0.0 mm
Rain 6h0.0 mm
POP 1h / 6h— / —
Thunder Prob.0%
Fire Danger (FDI)3.8 Low
FDI GuidanceLow risk of fire ignition
Astronomy & Solar Sun & Moon data
🌅
07:34
Sunrise
🌇
17:50
Sunset
☀️
10h 16m
Day Length
Solar noon: 12:42
Declination: 19.84°
🌒
Waxing Crescent
Moon Phase
Illumination: 14.5%
Age: 3.7 days