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SA Weather Service · Updated 06:24 SAST
All Cities › Portobello Beach
Portobello Beach
South Africa · -31.02°S, 30.24°E
21°
FairFeels like 0°C
High: 24°
Low: 14°
Wind10 km/hN (F2)
Humidity65%Very Dry
Rain 1h0.0 mm
Pressure1025 hPaSteady
7-Day Forecast
14°
27°
NOW
Today
21 May
Clear Sky
24°
14°
35 km/h
Fri
22 May
Partly Cloudy
27°
14°
30 km/h
Sat
23 May
Showers
24°
18°
20.9mm
26 km/h
Sun
24 May
Fair
22°
16°
0.4mm
9 km/h
Mon
25 May
Cloudy
24°
15°
19 km/h
Tue
26 May
Clear Sky
27°
17°
13 km/h
Wed
27 May
Clear Sky
25°
18°
11 km/h
Range 14°–27°C · MET Norway Forecast Model
Live Radar & Wind Powered by Windy.com
Live
Synoptic Summary
Current observations indicate fair conditions with air temperature 21°C, wind chill reduces apparent temperature to 0°C, surface wind N at 10 km/h (Beaufort 2), RH 65% with dew point 0°C (depression 20.7°C), MSL pressure 1025 hPa.
Current observations indicate fair conditions with air temperature 21°C, wind chill reduces apparent temperature to 0°C, surface wind N at 10 km/h (Beaufort 2), RH 65% with dew point 0°C (depression 20.7°C), MSL pressure 1025 hPa.
Solar Position
10h 27m 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 →
Now
21°
10 N
10:00
23°
17 NE
11:00
24°
22 NE
12:00
24°
26 ENE
13:00
24°
31 ENE
14:00
24°
33 ENE
15:00
23°
35 NE
16:00
23°
35 NE
17:00
22°
34 NE
18:00
21°
33 NE
19:00
20°
33 NNE
20:00
20°
32 NNE
21:00
20°
33 NNE
22:00
20°
34 NNE
23:00
19°
33 NNE
00:00
18°
30 N
01:00
17°
26 NNW
02:00
17°
20 NNW
03:00
16°
16 NNW
04:00
15°
13 NW
05:00
14°
12 NW
06:00
15°
11 WNW
07:00
15°
11 NW
08:00
17°
12 NW
09:00
22°
10 NW
10:00
25°
10 ESE
11:00
26°
12 ESE
12:00
27°
11 SE
13:00
27°
12 SE
14:00
25°
13 SE
15:00
25°
10 SSE
16:00
24°
7 SSE
17:00
22°
12 S
18:00
21°
19 SW
19:00
20°
17 WSW
20:00
20°
18 W
21:00
20°
17 W
22:00
19°
18 W
23:00
19°
19 WSW
00:00
19°
21 WSW
01:00
18°
21 WSW
02:00
18°
23 WSW
03:00
19°
24 SW
04:00
19°
21 SW
05:00
19°
19 WSW
06:00
18°
18 W
07:00
18°
21 WSW
08:00
20°
0.1mm
24 SSW
Current Observations
Wind
10 km/h
N · Gusts 0 km/h · F2
UV Index
—
— · Burn time ~N/A
Humidity
65%
Dew point 0°C · Very Dry
Cloud Cover
13%
Mostly clear
Pressure
1025 hPa
Steady · →
Feels Like
0°
Close to actual
Fire Danger
16
Low
Visibility
50 km
Good
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ)1.208 kg/m³
Sat. Vapor Press. (es)24.4 hPa
Act. Vapor Press. (ea)15.9 hPa
Mixing Ratio (ω)9.8 g/kg
Dew Point Depression20.7 °C
Pressure Tendency→ Steady
Cloud Layers
High0%
Medium0%
Low0%
Fog0%
Total OVC13%
Stability & Wind
Atm. Stability➡️ Neutral
LCL AnalysisLCL 2588m – 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)16.1 Low
FDI GuidanceLow risk of fire ignition
Astronomy & Solar Sun & Moon data
06:42
Sunrise
17:09
Sunset
10h 27m
Day Length
Solar noon: 11:55
Declination: 19.97°
Declination: 19.97°
Waxing Crescent
Moon Phase
Illumination: 19.5%
Age: 4.3 days
Age: 4.3 days
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