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SA Weather Service · Updated Wednesday, 3 June 2026 · 04:56 SAST
All Cities › Calais
Calais
South Africa · -33.91°S, 18.4°E
15°
CloudyFeels like 15°C
High: 15°
Low: 14°
Wind50 km/hSE (F7)
Humidity75%Dry
Rain 1h0.0 mm
Pressure1019 hPaSteady
7-Day Forecast
10°
15°
NOW
Today
3 Jun
Cloudy
15°
14°
4.4mm
53 km/h
Thu
4 Jun
Clear Sky
15°
14°
42 km/h
Fri
5 Jun
Fair
14°
12°
15 km/h
Sat
6 Jun
Clear Sky
14°
10°
22 km/h
Sun
7 Jun
Partly Cloudy
14°
12°
28 km/h
Mon
8 Jun
Cloudy
14°
13°
0.5mm
9 km/h
Tue
9 Jun
Cloudy
14°
11°
9 km/h
Range 10°–15°C · MET Norway Forecast Model
Live Radar & Wind Powered by Windy.com
Live
💨 Strong Wind Advisory
Wind 50 km/h, gusting 0 km/h. Beaufort F7: Whole trees sway, walking against wind difficult
Wind 50 km/h, gusting 0 km/h. Beaufort F7: Whole trees sway, walking against wind difficult
Synoptic Summary
Current observations for Calais indicate cloudy conditions with air temperature 15°C, surface wind SE at 50 km/h (Beaufort 7), RH 75% with dew point 0°C (depression 14.8°C), MSL pressure 1019 hPa.
Current observations for Calais indicate cloudy conditions with air temperature 15°C, surface wind SE at 50 km/h (Beaufort 7), RH 75% with dew point 0°C (depression 14.8°C), MSL pressure 1019 hPa.
Solar Position
10h 2m daylight
Declination 22.18°
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°
50 SE
08:00
15°
49 SE
09:00
15°
51 SE
10:00
15°
51 SE
11:00
15°
0.1mm
50 SE
12:00
15°
51 SE
13:00
15°
53 SE
14:00
15°
53 SE
15:00
15°
50 SE
16:00
15°
48 SE
17:00
14°
0.1mm
45 SSE
18:00
14°
46 SE
19:00
14°
46 SE
20:00
14°
46 SE
21:00
14°
45 SE
22:00
14°
44 SE
23:00
14°
41 SE
00:00
14°
42 SE
01:00
14°
42 SE
02:00
14°
42 SE
03:00
14°
41 SE
04:00
14°
39 SE
05:00
14°
39 SE
06:00
14°
38 SE
07:00
14°
38 SE
08:00
14°
38 SE
09:00
14°
37 SE
10:00
14°
35 SSE
11:00
15°
35 SE
12:00
15°
37 SE
13:00
15°
37 SE
14:00
15°
37 SSE
15:00
15°
36 SSE
16:00
15°
35 SSE
17:00
15°
33 SE
18:00
14°
31 SSE
19:00
14°
29 SE
20:00
14°
27 SE
21:00
14°
25 SE
22:00
14°
22 SE
23:00
14°
16 SE
00:00
14°
13 SSE
01:00
14°
10 SSE
02:00
13°
8 SSE
03:00
13°
7 S
04:00
13°
10 SSW
05:00
13°
11 S
06:00
13°
14 SE
Current Observations
Wind
50 km/h
SE · Gusts 0 km/h · F7
UV Index
—
— · Burn time ~N/A
Humidity
75%
Dew point 0°C · Dry
Cloud Cover
90%
Overcast
Pressure
1019 hPa
Steady · →
Feels Like
15°
Close to actual
Fire Danger
41
High
Visibility
50 km
Good
Advanced Meteorology Expert analysis
Atmospheric State
Air Density (ρ)1.227 kg/m³
Sat. Vapor Press. (es)16.8 hPa
Act. Vapor Press. (ea)12.7 hPa
Mixing Ratio (ω)7.83 g/kg
Dew Point Depression14.8 °C
Pressure Tendency→ Steady
Cloud Layers
High0%
Medium0%
Low0%
Fog0%
Total OVC90%
Stability & Wind
Atm. Stability↕️ Conditionally Unstable
LCL AnalysisLCL 1850m – conditional instability, triggering needed
Beaufort ScaleF7 – Near gale
Land EffectsWhole trees sway, walking against wind difficult
Sea StateSea heaps up, foam streaks
Precip & Fire
Rain 1h0.0 mm
Rain 6h0.2 mm
POP 1h / 6h— / —
Thunder Prob.0%
Fire Danger (FDI)40.6 High
FDI GuidanceNo open fires or burning permitted
Astronomy & Solar Sun & Moon data
07:43
Sunrise
17:45
Sunset
10h 2m
Day Length
Solar noon: 12:44
Declination: 22.18°
Declination: 22.18°
Waning Gibbous
Moon Phase
Illumination: 93.2%
Age: 17.2 days
Age: 17.2 days
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