Updated: Friday, 16 May 2025 04:24 PM SAST 
Day High Temp (°C) Low Temp (°C) Mean Temp (°C) Dewpoint Temp (°C) Humidity (%) Wind Speed (km/h) Precipitation (mm)
Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep.
Sat, May 17 23 +2.6 5 +0.3 14 +1.5 4 -0.5 30 -29.2 12 -6.4 --
Sun, May 18 24 +3.7 3 +0.7 14 +2.2 3 0 27 -31.6 2 +2.2 --
Mon, May 19 25 +2.4 6 +3.2 15 +2.8 3 +0.7 24 -26.4 16 +16.3 --
Tue, May 20 25 -5.8 8 -3.3 17 -4.6 3 -6.4 26 -23.8 29 +18.7 --
Wed, May 21 16 -1.2 2 -5.8 9 -3.5 -5 -8.1 26 -36.9 30 +2.7 --
Thu, May 22 22 0 -0 -0.5 11 -0.3 -7 -4.1 14 -33.4 23 -3.2 --
Fri, May 23 20 -2.1 4 +1.7 12 -0.2 -5 -4.7 18 -34.7 6 -4.1 --
Sat, May 24 21 -3.1 4 +2.1 13 -0.5 -5 -5.3 17 -31.4 3 -5.3 --
Sun, May 25 22 -2.6 6 +0.2 14 -1.2 -0 -0.5 23 -16.0 6 -7.9 -0.8
Mon, May 26 21 -1.9 7 +0.8 14 -0.6 1 -0.4 26 -17.3 11 -5.3 --
Tue, May 27 23 -1.6 7 +2.4 15 +0.4 3 -3.0 27 -27.6 4 0 --
Wed, May 28 23 +0.1 7 +1.9 15 +1.0 2 +1.2 25 -21.9 9 +10.9 +3.8
Thu, May 29 23 -0.7 7 +1.6 15 +0.5 3 -3.7 26 -29.1 9 +13.1 --
The values above are the forecast deviations from normal for the day. The deviations are derived from a 10-year average between 2001 and 2010 for Vanderbijlpark, South Africa.