Updated: Saturday, 6 Jun 2026 11:24 PM SAST 
Day High Temp (°F) Low Temp (°F) Mean Temp (°F) Dewpoint Temp (°F) Humidity (%) Wind Speed (mph) Precipitation (")
Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep. Forcast Dep.
Sun, Jun 7 66 +2.6 39 +2.9 52 +2.8 11 -17.7 12 -37.5 3 -1.5 -0.02
Mon, Jun 8 69 +1.3 43 +2.3 56 +1.9 15 -8.7 13 -28.2 6 -4.9 --
Tue, Jun 9 67 -0.2 44 +1.5 56 +0.6 23 -0.3 19 -19.6 3 -2.8 --
Wed, Jun 10 64 +1.0 41 +4.1 53 +2.4 30 -5.0 29 -27.4 5 -2.0 --
Thu, Jun 11 65 +3.6 43 +3.1 54 +3.5 28 -9.6 25 -33.9 6 -2.6 --
Fri, Jun 12 67 +2.8 44 +8.5 55 +5.8 25 -5.6 21 -28.1 4 +1.2 --
Sat, Jun 13 67 +4.2 49 +9.1 58 +6.8 28 -4.3 23 -28.1 8 -2.1 --
Sun, Jun 14 70 +4.4 50 +11.7 60 +8.0 27 -2.1 20 -23.7 5 -1.7 -0.06
Mon, Jun 15 70 +3.1 51 +9.4 60 +6.2 29 +15.3 22 -2.2 6 +5.8 --
Tue, Jun 16 69 +2.5 49 +9.2 59 +5.6 44 +21.1 41 +8.0 14 +2.1 +0.05
Wed, Jun 17 68 +4.4 48 +8.6 58 +6.5 51 +22.4 55 +10.2 9 -0.9 0.07" +0.10
Thu, Jun 18 69 +1.9 49 +7.6 59 +4.7 54 +25.9 59 +24.6 6 +0.6 0.10" +0.08
Fri, Jun 19 67 +1.7 48 +7.5 58 +4.6 59 +18.4 75 +4.8 8 +4.2 0.08" --
Sat, Jun 20 67 +3.2 48 +8.7 58 +6.0 51 +9.7 56 -10.6 12 +1.0 --
The values above are the forecast deviations from normal for the day. The deviations are derived from a 30-year average between 1981 and 2010 for Johannesburg, South Africa.