5-day weather forecast Phnom Penh Sep 12, 2026
30°Weather forecast Phnom Penh Saturday Sep 12, 2026: overcast, temperature from 25 °C to 30 °C.
Precipitation probability 73%. Wind up to 5.89 m/s (gusts 10.61 m/s). Air humidity 68–90%, atmospheric pressure 755–758 mm Hg, UV index up to 10.2.
5 days at a glance — tap a day to open it
Sunrise 05:49
Sunset 18:03
Sunset 18:03
New Moon3% illuminated
Moonrise 06:28 · Moonset 18:46
Moonrise 06:28 · Moonset 18:46
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 25 °C | 28% | 100% | 89% | 757 mm Hg | SSW 207° 1.69 (3.33) m/s | 0 |
| 01:00 | Overcast | 25 °C | 29% | 100% | 89% | 757 mm Hg | SSW 212° 1.19 (2.53) m/s | 0 |
| 02:00 | Overcast | 25 °C | 29% | 100% | 89% | 756 mm Hg | SSW 210° 0.89 (1.69) m/s | 0 |
| 03:00 | Overcast | 25 °C | 29% | 100% | 89% | 755 mm Hg | SW 219° 0.69 (1.22) m/s | 0 |
| 04:00 | Overcast | 25 °C | 29% | 100% | 90% | 755 mm Hg | ESE 117° 0.81 (0.89) m/s | 0 |
| 05:00 |  Cloudy | 25 °C | 26% | 86% | 90% | 756 mm Hg | SSE 166° 0.69 (0.81) m/s | 0 |
| 06:00 | Overcast | 25 °C | 30% | 100% | 90% | 756 mm Hg | SSE 163° 0.89 (0.92) m/s | 0 |
| 07:00 | Overcast | 25 °C | 26% | 100% | 85% | 757 mm Hg | SE 144° 0.89 (1.25) m/s | 0.1 |
| 08:00 | Overcast | 27 °C | 23% | 100% | 79% | 758 mm Hg | E 90° 1.11 (1.11) m/s | 0.5 |
| 09:00 |  Light rain shower | 28 °C | 41% (0.33 mm/hr) | 100% | 74% | 758 mm Hg | E 83° 1.69 (1.69) m/s | 3.1 |
| 10:00 | Light rain shower | 29 °C | 56% (0.9 mm/hr) | 100% | 69% | 757 mm Hg | E 97° 2.69 (2.83) m/s | 4.2 |
| 11:00 | Light rain shower | 30 °C | 64% (1.77 mm/hr) | 100% | 68% | 757 mm Hg | ESE 113° 4 (4.22) m/s | 8.1 |
| 12:00 | Light rain shower | 28 °C | 62% (0.97 mm/hr) | 100% | 74% | 756 mm Hg | SE 135° 5.69 (6.11) m/s | 10.2 |
| 13:00 | Light rain shower | 27 °C | 73% (1.83 mm/hr) | 100% | 81% | 756 mm Hg | SSE 161° 5.89 (7.42) m/s | 9.2 |
| 14:00 | Light rain shower | 26 °C | 62% (0.72 mm/hr) | 100% | 84% | 755 mm Hg | SSE 154° 4.89 (7.11) m/s | 4.6 |
| 15:00 | Overcast | 26 °C | 25% | 100% | 82% | 755 mm Hg | SE 143° 4.89 (8.89) m/s | 2.1 |
| 16:00 |  Patchy rain possible | 27 °C | 28% (0.05 mm/hr) | 100% | 80% | 755 mm Hg | SE 143° 5.31 (9.11) m/s | 0.9 |
| 17:00 | Light rain shower | 25 °C | 65% (0.76 mm/hr) | 100% | 86% | 755 mm Hg | SE 138° 4.69 (9.31) m/s | 0.2 |
| 18:00 | Patchy rain possible | 25 °C | 42% (0.14 mm/hr) | 100% | 90% | 756 mm Hg | SE 131° 4.19 (10.61) m/s | 0 |
| 19:00 | Overcast | 25 °C | 29% | 100% | 90% | 756 mm Hg | ESE 115° 3.89 (8.53) m/s | 0 |
| 20:00 |  Patchy rain possible | 25 °C | 30% (0.01 mm/hr) | 100% | 90% | 757 mm Hg | ESE 121° 3.81 (8.92) m/s | 0 |
| 21:00 | Overcast | 25 °C | 29% | 100% | 89% | 758 mm Hg | ESE 121° 3.61 (8.14) m/s | 0 |
| 22:00 | Patchy rain possible | 25 °C | 30% (0.01 mm/hr) | 100% | 89% | 758 mm Hg | ESE 109° 3.19 (8.11) m/s | 0 |
| 23:00 | Patchy rain possible | 25 °C | 30% (0.01 mm/hr) | 100% | 89% | 758 mm Hg | E 101° 3.11 (7.22) 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.