Johannesburg — Hourly Forecast
Hour-by-hour breakdown for the next 48 hours · South Africa
☀️17°Cnow
Temperature
Rain chance
Wind speed
Current hour
Today
May 2819°10°6:45 AM
6p
| Time | Conditions | Temp | Feels | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|
5:00 PM | ☀️ | 17° | 15° | — | 50% | 5 km/h |
6:00 PM | 🌙 | 15° | 13° | — | 55% | 6 km/h |
7:00 PM | 🌙 | 14° | 12° | — | 58% | 6 km/h |
8:00 PM | 🌙 | 13° | 12° | — | 61% | 5 km/h |
9:00 PM | 🌙 | 13° | 12° | — | 61% | 5 km/h |
10:00 PM | 🌙 | 13° | 11° | — | 62% | 5 km/h |
11:00 PM | 🌙 | 12° | 10° | — | 65% | 5 km/h |
5 PM☀️17°5 km/h
6 PM🌙15°6 km/h
7 PM🌙14°6 km/h
8 PM🌙13°5 km/h
9 PM🌙13°5 km/h
10 PM🌙13°5 km/h
11 PM🌙12°5 km/h
Tomorrow
May 2919°9°6:46 AM
12a
6a
12p
6p
| Time | Conditions | Temp | Feels | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|
12:00 AM | 🌙 | 12° | 10° | — | 66% | 3 km/h |
1:00 AM | 🌙 | 11° | 9° | — | 68% | 5 km/h |
2:00 AM | 🌙 | 10° | 8° | — | 70% | 5 km/h |
3:00 AM | 🌙 | 10° | 8° | — | 71% | 6 km/h |
4:00 AM | 🌙 | 10° | 8° | — | 72% | 6 km/h |
5:00 AM | 🌙 | 9° | 7° | — | 75% | 5 km/h |
6:00 AM | 🌙 | 9° | 7° | — | 75% | 6 km/h |
7:00 AM | ☀️ | 9° | 7° | — | 75% | 6 km/h |
8:00 AM | 🌤️ | 12° | 10° | — | 68% | 7 km/h |
9:00 AM | 🌤️ | 14° | 13° | — | 62% | 5 km/h |
10:00 AM | ⛅ | 16° | 14° | — | 53% | 6 km/h |
11:00 AM | ⛅ | 17° | 15° | — | 46% | 8 km/h |
12:00 PM | 🌤️ | 18° | 16° | — | 43% | 7 km/h |
1:00 PM | ☀️ | 19° | 17° | — | 41% | 7 km/h |
2:00 PM | ☀️ | 19° | 17° | — | 39% | 7 km/h |
3:00 PM | ☀️ | 19° | 17° | — | 38% | 7 km/h |
4:00 PM | ☀️ | 18° | 16° | — | 40% | 8 km/h |
5:00 PM | ☀️ | 17° | 15° | — | 49% | 5 km/h |
6:00 PM | 🌙 | 15° | 13° | — | 54% | 6 km/h |
7:00 PM | 🌙 | 14° | 12° | — | 56% | 6 km/h |
8:00 PM | 🌙 | 13° | 11° | — | 60% | 5 km/h |
9:00 PM | 🌙 | 13° | 12° | — | 60% | 1 km/h |
10:00 PM | 🌙 | 12° | 11° | — | 62% | 2 km/h |
11:00 PM | 🌙 | 11° | 10° | — | 64% | 5 km/h |
12 AM🌙12°3 km/h
1 AM🌙11°5 km/h
2 AM🌙10°5 km/h
3 AM🌙10°6 km/h
4 AM🌙10°6 km/h
5 AM🌙9°5 km/h
6 AM🌙9°6 km/h
7 AM☀️9°6 km/h
8 AM🌤️12°7 km/h
9 AM🌤️14°5 km/h
10 AM⛅16°6 km/h
11 AM⛅17°8 km/h
12 PM🌤️18°7 km/h
1 PM☀️19°7 km/h
2 PM☀️19°7 km/h
3 PM☀️19°7 km/h
4 PM☀️18°8 km/h
5 PM☀️17°5 km/h
6 PM🌙15°6 km/h
7 PM🌙14°6 km/h
8 PM🌙13°5 km/h
9 PM🌙13°1 km/h
10 PM🌙12°2 km/h
11 PM🌙11°5 km/h
Saturday, May 30
May 3017°8°6:46 AM
12a
6a
12p
| Time | Conditions | Temp | Feels | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|
12:00 AM | 🌙 | 11° | 9° | — | 66% | 5 km/h |
1:00 AM | 🌙 | 11° | 9° | — | 67% | 4 km/h |
2:00 AM | 🌙 | 10° | 9° | — | 68% | 3 km/h |
3:00 AM | 🌙 | 10° | 8° | — | 71% | 5 km/h |
4:00 AM | 🌙 | 9° | 7° | — | 76% | 6 km/h |
5:00 AM | 🌙 | 8° | 6° | — | 86% | 8 km/h |
6:00 AM | ⛅ | 8° | 6° | — | 97% | 8 km/h |
7:00 AM | ☁️ | 8° | 6° | — | 99% | 8 km/h |
8:00 AM | ⛅ | 8° | 7° | — | 96% | 7 km/h |
9:00 AM | ☀️ | 11° | 10° | — | 87% | 4 km/h |
10:00 AM | ☀️ | 14° | 12° | — | 76% | 9 km/h |
11:00 AM | ☀️ | 15° | 14° | — | 68% | 9 km/h |
12:00 PM | ☀️ | 16° | 16° | — | 60% | 8 km/h |
1:00 PM | 🌤️ | 17° | 16° | — | 53% | 6 km/h |
2:00 PM | 🌤️ | 17° | 16° | — | 51% | 5 km/h |
3:00 PM | ☀️ | 17° | 16° | — | 50% | 4 km/h |
4:00 PM | 🌤️ | 17° | 15° | — | 50% | 5 km/h |
12 AM🌙11°5 km/h
1 AM🌙11°4 km/h
2 AM🌙10°3 km/h
3 AM🌙10°5 km/h
4 AM🌙9°6 km/h
5 AM🌙8°8 km/h
6 AM⛅8°8 km/h
7 AM☁️8°8 km/h
8 AM⛅8°7 km/h
9 AM☀️11°4 km/h
10 AM☀️14°9 km/h
11 AM☀️15°9 km/h
12 PM☀️16°8 km/h
1 PM🌤️17°6 km/h
2 PM🌤️17°5 km/h
3 PM☀️17°4 km/h
4 PM🌤️17°5 km/h
About this hourly forecast
This hourly weather forecast for Johannesburg, South Africa covers the next 48 hours with readings updated every 30 minutes. Data is sourced from Open-Meteo's high-resolution weather model, combining data from ECMWF, GFS and regional NWP models. Temperature values are measured at 2 metres above ground level.
Rain probability represents the likelihood of measurable precipitation in each hour. Wind speeds are 10-metre reference values. UV index values above 3 indicate moderate sun exposure risk; above 6 is high risk and sun protection is recommended.