5-day weather forecast Phnom Penh 23-08-2026
Weather forecast Phnom Penh Sunday, August 23 23.08.2026: overcast, temperature from 28 °C to 33 °C.
Precipitation probability 17%. Wind up to 10 m/s (gusts 14.11 m/s). Air humidity 48–70%, atmospheric pressure 755–758 mm Hg, UV index up to 10.4.
5 days at a glance — tap a day to open it
Sunrise 05:50
Sunset 18:15
Sunset 18:15
Waxing Gibbous86% illuminated
Moonrise 15:01 · Moonset 01:44
Moonrise 15:01 · Moonset 01:44
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 28 °C | 15% | 100% | 64% | 758 mm Hg | WSW 240° 5.19 (11.33) m/s | 0 |
| 01:00 | Overcast | 28 °C | 16% | 100% | 66% | 757 mm Hg | WSW 242° 4.69 (10.72) m/s | 0 |
| 02:00 | Overcast | 28 °C | 16% | 100% | 67% | 757 mm Hg | WSW 244° 4.39 (11.53) m/s | 0 |
| 03:00 | Overcast | 28 °C | 17% | 100% | 68% | 756 mm Hg | WSW 250° 4.39 (11.53) m/s | 0 |
| 04:00 | Overcast | 28 °C | 17% | 100% | 68% | 757 mm Hg | WSW 251° 4.61 (11.72) m/s | 0 |
| 05:00 | Overcast | 28 °C | 16% | 100% | 67% | 757 mm Hg | WSW 244° 5.31 (11.92) m/s | 0 |
| 06:00 |  Overcast | 28 °C | 16% | 100% | 65% | 757 mm Hg | WSW 246° 5.39 (11.92) m/s | 0 |
| 07:00 | Overcast | 28 °C | 15% | 100% | 64% | 758 mm Hg | WSW 247° 5.31 (11.72) m/s | 0.2 |
| 08:00 | Overcast | 29 °C | 15% | 100% | 63% | 758 mm Hg | WSW 239° 5.69 (11.83) m/s | 1.4 |
| 09:00 | Overcast | 30 °C | 12% | 89% | 59% | 758 mm Hg | WSW 239° 7.11 (11.92) m/s | 4.4 |
| 10:00 |  Partly cloudy | 32 °C | 4% | 33% | 53% | 758 mm Hg | WSW 239° 8.11 (11.56) m/s | 8.5 |
| 11:00 |  Patchy rain possible | 33 °C | 12% (0.02 mm/hr) | 98% | 48% | 758 mm Hg | WSW 240° 8.31 (11.72) m/s | 10.4 |
| 12:00 | Patchy rain possible | 33 °C | 12% (0.02 mm/hr) | 100% | 49% | 757 mm Hg | WSW 247° 9.69 (12.69) m/s | 7.1 |
| 13:00 | Overcast | 33 °C | 11% | 100% | 49% | 756 mm Hg | WSW 253° 9.69 (13.61) m/s | 6 |
| 14:00 | Patchy rain possible | 33 °C | 12% (0.01 mm/hr) | 100% | 49% | 755 mm Hg | WSW 256° 10 (13.5) m/s | 4.5 |
| 15:00 | Overcast | 33 °C | 11% | 97% | 48% | 755 mm Hg | WSW 256° 10 (13.53) m/s | 4.4 |
| 16:00 |  Cloudy | 32 °C | 8% | 74% | 50% | 755 mm Hg | WSW 258° 9.69 (13.61) m/s | 1.1 |
| 17:00 | Overcast | 31 °C | 12% | 94% | 54% | 755 mm Hg | WSW 257° 9.19 (14.11) m/s | 0.3 |
| 18:00 | Overcast | 30 °C | 13% | 93% | 61% | 756 mm Hg | WSW 252° 7.5 (13.03) m/s | 0 |
| 19:00 | Overcast | 29 °C | 15% | 99% | 64% | 757 mm Hg | WSW 249° 7.11 (12.92) m/s | 0 |
| 20:00 | Overcast | 29 °C | 16% | 100% | 66% | 757 mm Hg | WSW 245° 6.31 (13.33) m/s | 0 |
| 21:00 | Overcast | 28 °C | 17% | 100% | 68% | 758 mm Hg | WSW 247° 6 (13.22) m/s | 0 |
| 22:00 | Overcast | 28 °C | 17% | 100% | 69% | 758 mm Hg | WSW 249° 5.69 (13.22) m/s | 0 |
| 23:00 | Overcast | 28 °C | 17% | 100% | 70% | 758 mm Hg | WSW 248° 5.81 (13.03) m/s | 0 |
Phnom Penh on the map
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.