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SA Weather Service · Updated Wednesday, 27 May 2026 · 03:06 SAST
All Cities › Portland
Portland
South Africa · -34.05°S, 18.61°E
11°
FogFeels like 11°C
High: 18°
Low: 11°
Wind6 km/hNNW (F2)
Humidity99%Comfortable
Rain 1h0.0 mm
Pressure1019 hPaSteady
7-Day Forecast
11°
19°
NOW
Today
27 May
Cloudy
18°
11°
3.8mm
14 km/h
Thu
28 May
Change
18°
14°
6.5mm
16 km/h
Fri
29 May
Clear Sky
18°
13°
20 km/h
Sat
30 May
Fair
18°
12°
15 km/h
Sun
31 May
Fair
18°
11°
6 km/h
Mon
1 Jun
Cloudy
19°
12°
4 km/h
Tue
2 Jun
Cloudy
19°
12°
0.1mm
13 km/h
Range 11°–19°C · MET Norway Forecast Model
Live Radar & Wind Powered by Windy.com
Live
Synoptic Summary
Current observations for Portland indicate fog conditions with air temperature 11°C, surface wind NNW at 6 km/h (Beaufort 2), RH 99% with dew point 0°C (depression 11.2°C), MSL pressure 1019 hPa.
Current observations for Portland indicate fog conditions with air temperature 11°C, surface wind NNW at 6 km/h (Beaufort 2), RH 99% with dew point 0°C (depression 11.2°C), MSL pressure 1019 hPa.
Solar Position
10h 8m daylight
Declination 21.1°
Meteogram 48-hour trend analysis
Temperature & Rain
Wind & Gust
Cloud & Humidity
UV Index
Temperature (°C)
Precipitation (mm)
POP (%)
Hourly Forecast Next 48h · Scroll →
Now
11°
6 NNW
07:00
11°
7 NNW
08:00
11°
9 N
09:00
13°
9 N
10:00
15°
11 N
11:00
16°
13 N
12:00
17°
14 NNW
13:00
18°
0.2mm
14 NNW
14:00
18°
12 NW
15:00
18°
13 NW
16:00
18°
13 NW
17:00
17°
13 NW
18:00
16°
13 NNW
19:00
15°
13 NNW
20:00
15°
13 N
21:00
15°
13 N
22:00
15°
13 N
23:00
15°
13 N
00:00
15°
13 NNW
01:00
15°
14 N
02:00
15°
13 N
03:00
15°
13 N
04:00
15°
13 N
05:00
15°
13 N
06:00
14°
14 NNE
07:00
14°
16 N
08:00
14°
15 NNE
09:00
15°
14 NNE
10:00
15°
14 N
11:00
17°
14 NNW
12:00
18°
12 NNW
13:00
18°
11 NW
14:00
18°
0.1mm
10 NW
15:00
18°
0.2mm
9 NW
16:00
17°
0.2mm
8 WNW
17:00
17°
0.2mm
8 WNW
18:00
16°
5 WNW
19:00
16°
4 WSW
20:00
15°
6 S
21:00
15°
9 SSE
22:00
14°
8 SSE
23:00
14°
10 SSE
00:00
14°
13 S
01:00
14°
13 S
02:00
13°
14 S
03:00
13°
14 S
04:00
13°
16 S
05:00
13°
15 S
Current Observations
Wind
6 km/h
NNW · Gusts 0 km/h · F2
UV Index
—
— · Burn time ~N/A
Humidity
99%
Dew point 0°C · Comfortable
Cloud Cover
100%
Overcast
Pressure
1019 hPa
Steady · →
Feels Like
11°
Close to actual
Fire Danger
0
Low
Visibility
25 km
Good
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ)1.2423 kg/m³
Sat. Vapor Press. (es)13.3 hPa
Act. Vapor Press. (ea)13.2 hPa
Mixing Ratio (ω)8.15 g/kg
Dew Point Depression11.2 °C
Pressure Tendency→ Steady
Cloud Layers
High0%
Medium0%
Low0%
Fog0%
Total OVC100%
Stability & Wind
Atm. Stability↕️ Conditionally Unstable
LCL AnalysisLCL 1400m – conditional instability, triggering needed
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)0.1 Low
FDI GuidanceLow risk of fire ignition
Astronomy & Solar Sun & Moon data
07:38
Sunrise
17:46
Sunset
10h 8m
Day Length
Solar noon: 12:42
Declination: 21.1°
Declination: 21.1°
Waxing Gibbous
Moon Phase
Illumination: 77.9%
Age: 10.2 days
Age: 10.2 days
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