5-day weather forecast Phnom Penh Sep 11, 2026
28°Weather forecast Phnom Penh tomorrow Sep 11, 2026: light rain shower, temperature from 25 °C to 28 °C.
Precipitation probability 62%. Wind up to 2.89 m/s (gusts 5.5 m/s). Air humidity 71–91%, atmospheric pressure 755–758 mm Hg, UV index up to 7.6.
5 days at a glance — tap a day to open it
Sunrise 05:49
Sunset 18:04
Sunset 18:04
New Moon0% illuminated
Moonrise 05:32 · Moonset 18:02
Moonrise 05:32 · Moonset 18:02
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 25 °C | 29% | 100% | 90% | 758 mm Hg | SW 214° 2.89 (4.42) m/s | 0 |
| 01:00 | Overcast | 25 °C | 30% | 100% | 91% | 757 mm Hg | SW 227° 2.81 (4.64) m/s | 0 |
| 02:00 | Overcast | 25 °C | 29% | 100% | 90% | 756 mm Hg | SW 231° 2.11 (4.03) m/s | 0 |
| 03:00 |  Patchy rain possible | 25 °C | 29% (0.01 mm/hr) | 100% | 89% | 756 mm Hg | WSW 237° 1.89 (3.89) m/s | 0 |
| 04:00 |  Light rain shower | 25 °C | 59% (0.46 mm/hr) | 100% | 90% | 756 mm Hg | SW 222° 1.89 (3.61) m/s | 0 |
| 05:00 | Light rain shower | 25 °C | 45% (0.23 mm/hr) | 100% | 88% | 756 mm Hg | SW 228° 2 (3.42) m/s | 0 |
| 06:00 | Light rain shower | 25 °C | 47% (0.29 mm/hr) | 100% | 87% | 757 mm Hg | WSW 252° 1.61 (2.81) m/s | 0 |
| 07:00 | Light rain shower | 25 °C | 62% (0.65 mm/hr) | 100% | 85% | 758 mm Hg | W 270° 0.89 (1.31) m/s | 0.4 |
| 08:00 | Light rain shower | 26 °C | 46% (0.31 mm/hr) | 100% | 83% | 758 mm Hg | NNE 19° 1 (1.14) m/s | 0.7 |
| 09:00 |  Patchy rain possible | 26 °C | 25% (0.01 mm/hr) | 100% | 82% | 758 mm Hg | NE 39° 1.39 (1.61) m/s | 1.4 |
| 10:00 |  Overcast | 26 °C | 23% | 100% | 80% | 758 mm Hg | NE 56° 1.5 (5.5) m/s | 2.6 |
| 11:00 | Light rain shower | 27 °C | 38% (0.23 mm/hr) | 100% | 78% | 758 mm Hg | ENE 74° 1.11 (4.11) m/s | 3.5 |
| 12:00 | Light rain shower | 27 °C | 36% (0.2 mm/hr) | 100% | 77% | 758 mm Hg | SE 129° 0.5 (0.83) m/s | 5.3 |
| 13:00 | Patchy rain possible | 27 °C | 22% (0.02 mm/hr) | 100% | 75% | 757 mm Hg | ENE 68° 0.11 (0.83) m/s | 7.6 |
| 14:00 | Patchy rain possible | 27 °C | 23% (0.04 mm/hr) | 100% | 73% | 756 mm Hg | ENE 61° 0.31 (0.89) m/s | 5.6 |
| 15:00 | Light rain shower | 28 °C | 29% (0.16 mm/hr) | 99% | 71% | 755 mm Hg | S 173° 0.39 (1.11) m/s | 2.8 |
| 16:00 | Light rain shower | 28 °C | 33% (0.21 mm/hr) | 100% | 72% | 755 mm Hg | S 183° 1 (1.61) m/s | 1.2 |
| 17:00 | Overcast | 28 °C | 20% | 100% | 75% | 755 mm Hg | S 190° 1.61 (1.83) m/s | 0.3 |
| 18:00 | Patchy rain possible | 27 °C | 33% (0.13 mm/hr) | 98% | 80% | 756 mm Hg | SSW 195° 2.31 (3.03) m/s | 0 |
| 19:00 | Light rain shower | 26 °C | 34% (0.18 mm/hr) | 80% | 83% | 757 mm Hg | SSW 200° 2.89 (3.89) m/s | 0 |
| 20:00 | Overcast | 25 °C | 26% | 98% | 85% | 758 mm Hg | SSW 203° 2.5 (3.72) m/s | 0 |
| 21:00 | Overcast | 25 °C | 27% | 100% | 86% | 758 mm Hg | SSW 195° 2.31 (4.03) m/s | 0 |
| 22:00 | Overcast | 25 °C | 27% | 100% | 87% | 758 mm Hg | S 187° 2.11 (4.14) m/s | 0 |
| 23:00 | Overcast | 25 °C | 28% | 100% | 88% | 758 mm Hg | SSW 196° 1.69 (3.64) 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.