5-day weather forecast South Africa 18-03-2026
Weather forecast South Africa tomorrow 18.03.2026: sunny, temperature from 19 °C to 29 °C.
Precipitation probability 100%. Wind up to 8.69 m/s (gusts 13.86 m/s). Air humidity 21–73%, atmospheric pressure 755–759 mm Hg, UV index up to 10.5.
Sunrise 06:30
Sunset 18:45
Sunset 18:45
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 20 °C | 100% (0.95 mm/hr) | 75% | 71% | 759 mm Hg | S 175° 5.19 (8.75) m/s | 0 |
| 01:00 |  Patchy rain possible | 19 °C | 100% (0.54 mm/hr) | 71% | 71% | 758 mm Hg | ENE 71° 2.81 (5) m/s | 0 |
| 02:00 | Patchy rain possible | 20 °C | 70% (0.01 mm/hr) | 85% | 69% | 758 mm Hg | NE 54° 1 (1.72) m/s | 0 |
| 03:00 |  Patchy light drizzle | 19 °C | 100% (0.28 mm/hr) | 79% | 70% | 758 mm Hg | NNW 328° 2.39 (3.14) m/s | 0 |
| 04:00 |  Partly cloudy | 19 °C | 0% | 47% | 71% | 758 mm Hg | ENE 72° 2.11 (2.97) m/s | 0 |
| 05:00 |  Clear | 19 °C | 0% | 6% | 70% | 758 mm Hg | ENE 72° 2.81 (3.78) m/s | 0 |
| 06:00 | Clear | 19 °C | 0% | 3% | 73% | 758 mm Hg | ESE 113° 1.19 (1.67) m/s | 0 |
| 07:00 |  Sunny | 19 °C | 0% | 4% | 73% | 759 mm Hg | NNE 32° 1.69 (2.39) m/s | 0.1 |
| 08:00 | Sunny | 20 °C | 0% | 4% | 67% | 759 mm Hg | NNW 345° 2.39 (2.97) m/s | 1 |
| 09:00 | Sunny | 22 °C | 0% | 4% | 58% | 759 mm Hg | NW 315° 3.39 (3.92) m/s | 2.1 |
| 10:00 | Sunny | 24 °C | 0% | 8% | 48% | 759 mm Hg | NW 310° 4.11 (4.72) m/s | 5.9 |
| 11:00 | Sunny | 26 °C | 0% | 7% | 40% | 758 mm Hg | WNW 302° 4.89 (5.64) m/s | 8.8 |
| 12:00 | Sunny | 27 °C | 0% | 8% | 34% | 758 mm Hg | WNW 295° 5.11 (5.86) m/s | 10.5 |
| 13:00 | Sunny | 28 °C | 0% | 13% | 29% | 757 mm Hg | WNW 285° 5 (5.75) m/s | 10.4 |
| 14:00 | Sunny | 29 °C | 0% | 9% | 26% | 757 mm Hg | W 281° 4.5 (5.17) m/s | 4.7 |
| 15:00 | Sunny | 29 °C | 0% | 6% | 24% | 756 mm Hg | W 281° 4.69 (5.42) m/s | 4.4 |
| 16:00 | Sunny | 29 °C | 0% | 5% | 23% | 755 mm Hg | W 275° 4.89 (5.64) m/s | 2.5 |
| 17:00 | Sunny | 29 °C | 0% | 4% | 22% | 755 mm Hg | W 269° 5.31 (6.11) m/s | 1 |
| 18:00 | Sunny | 29 °C | 0% | 4% | 21% | 756 mm Hg | W 261° 6.19 (7.92) m/s | 0.2 |
| 19:00 | Clear | 27 °C | 0% | 3% | 24% | 756 mm Hg | WSW 254° 4 (6.36) m/s | 0 |
| 20:00 | Clear | 25 °C | 0% | 5% | 28% | 758 mm Hg | WSW 250° 8.69 (13.86) m/s | 0 |
| 21:00 | Clear | 26 °C | 0% | 5% | 24% | 758 mm Hg | SW 228° 5.81 (9.44) m/s | 0 |
| 22:00 | Clear | 26 °C | 0% | 11% | 24% | 758 mm Hg | SW 226° 3.5 (5.58) m/s | 0 |
| 23:00 | Clear | 26 °C | 0% | 4% | 25% | 758 mm Hg | WSW 241° 2.61 (4.28) m/s | 0 |
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.