5-day weather forecast Phnom Penh 22-08-2026
Weather forecast Phnom Penh tomorrow 22.08.2026: overcast, temperature from 25 °C to 36 °C.
Precipitation probability 21%. Wind up to 9.69 m/s (gusts 12.14 m/s). Air humidity 36–79%, atmospheric pressure 755–759 mm Hg, UV index up to 13.
5 days at a glance — tap a day to open it
Sunrise 05:50
Sunset 18:16
Sunset 18:16
Waxing Gibbous78% illuminated
Moonrise 14:11 · Moonset 00:51
Moonrise 14:11 · Moonset 00:51
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 27 °C | 18% | 100% | 71% | 758 mm Hg | WSW 240° 3.89 (10.31) m/s | 0 |
| 01:00 |  Cloudy | 27 °C | 14% | 72% | 72% | 758 mm Hg | WSW 240° 3.11 (8.11) m/s | 0 |
| 02:00 | Overcast | 26 °C | 20% | 100% | 74% | 757 mm Hg | SW 235° 2.81 (7.11) m/s | 0 |
| 03:00 | Overcast | 26 °C | 21% | 100% | 76% | 757 mm Hg | SW 214° 2.69 (5.11) m/s | 0 |
| 04:00 | Cloudy | 26 °C | 19% | 85% | 78% | 757 mm Hg | SSW 197° 2 (2.83) m/s | 0 |
| 05:00 |  Partly cloudy | 26 °C | 13% | 52% | 78% | 757 mm Hg | SSW 199° 2.5 (3.83) m/s | 0 |
| 06:00 |  Cloudy | 25 °C | 19% | 81% | 79% | 758 mm Hg | SSW 202° 2.31 (3.22) m/s | 0 |
| 07:00 |  Partly cloudy | 27 °C | 8% | 33% | 71% | 758 mm Hg | SSW 206° 3.31 (5.89) m/s | 0.7 |
| 08:00 |  Overcast | 30 °C | 14% | 100% | 60% | 758 mm Hg | WSW 238° 5.19 (8.72) m/s | 2.4 |
| 09:00 | Overcast | 32 °C | 11% | 100% | 50% | 759 mm Hg | WSW 247° 6.39 (9.92) m/s | 5.3 |
| 10:00 | Overcast | 34 °C | 10% | 100% | 43% | 758 mm Hg | WSW 249° 7.5 (10.53) m/s | 8.6 |
| 11:00 | Overcast | 35 °C | 10% | 100% | 38% | 758 mm Hg | WSW 251° 8.39 (11.42) m/s | 11.6 |
| 12:00 | Overcast | 36 °C | 10% | 100% | 36% | 758 mm Hg | WSW 257° 9.31 (11.69) m/s | 13 |
| 13:00 | Overcast | 36 °C | 10% | 100% | 38% | 756 mm Hg | W 260° 9.5 (11.92) m/s | 11.1 |
| 14:00 | Overcast | 35 °C | 10% | 100% | 39% | 755 mm Hg | W 260° 9.69 (12.03) m/s | 7.1 |
| 15:00 | Overcast | 35 °C | 10% | 99% | 39% | 755 mm Hg | WSW 258° 9.5 (11.81) m/s | 3.5 |
| 16:00 | Overcast | 34 °C | 10% | 100% | 42% | 755 mm Hg | WSW 257° 9.5 (11.72) m/s | 2 |
| 17:00 | Overcast | 32 °C | 11% | 100% | 47% | 756 mm Hg | WSW 252° 8.69 (11.61) m/s | 0.6 |
| 18:00 | Overcast | 31 °C | 12% | 100% | 54% | 756 mm Hg | WSW 246° 6.39 (10.5) m/s | 0 |
| 19:00 | Overcast | 30 °C | 13% | 100% | 56% | 757 mm Hg | WSW 247° 5.89 (10.61) m/s | 0 |
| 20:00 | Overcast | 30 °C | 13% | 100% | 58% | 758 mm Hg | WSW 257° 6 (12.14) m/s | 0 |
| 21:00 | Overcast | 29 °C | 14% | 100% | 60% | 758 mm Hg | WSW 256° 6.11 (12.03) m/s | 0 |
| 22:00 | Overcast | 29 °C | 15% | 100% | 62% | 758 mm Hg | WSW 244° 5.81 (11.22) m/s | 0 |
| 23:00 | Overcast | 28 °C | 15% | 100% | 63% | 758 mm Hg | WSW 246° 5.5 (11.33) 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.