5-day weather forecast Phnom Penh Oct 21, 2026
32°Weather forecast Phnom Penh tomorrow Oct 21, 2026: overcast, temperature from 26 °C to 32 °C.
Precipitation probability 79%. Wind up to 2.81 m/s (gusts 6.81 m/s). Air humidity 59–90%, atmospheric pressure 757–761 mm Hg, UV index up to 10.7.
5 days at a glance — tap a day to open it
Sunrise 05:50
Sunset 17:39
Sunset 17:39
Waxing Gibbous86% illuminated
Moonrise 14:24 · Moonset 01:41
Moonrise 14:24 · Moonset 01:41
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 26 °C | 25% | 96% | 85% | 760 mm Hg | S 189° 2.81 (5.5) m/s | 0 |
| 01:00 | Overcast | 26 °C | 27% | 100% | 87% | 759 mm Hg | SSW 203° 2.61 (4.61) m/s | 0 |
| 02:00 | Overcast | 26 °C | 28% | 100% | 88% | 758 mm Hg | SSW 197° 2.31 (4.22) m/s | 0 |
| 03:00 | Overcast | 26 °C | 29% | 100% | 89% | 758 mm Hg | SSW 195° 2.11 (3.5) m/s | 0 |
| 04:00 | Overcast | 26 °C | 29% | 100% | 90% | 758 mm Hg | SSW 192° 2 (2.92) m/s | 0 |
| 05:00 | Overcast | 26 °C | 27% | 92% | 90% | 758 mm Hg | S 190° 1.31 (1.39) m/s | 0 |
| 06:00 |  Cloudy | 26 °C | 25% | 80% | 90% | 759 mm Hg | SSW 204° 0.61 (0.72) m/s | 0 |
| 07:00 |  Sunny | 27 °C | 12% | 22% | 84% | 760 mm Hg | SW 229° 1 (1.11) m/s | 0.3 |
| 08:00 | Sunny | 28 °C | 8% | 5% | 77% | 760 mm Hg | SSW 207° 1.39 (5.39) m/s | 1.6 |
| 09:00 |  Light rain shower | 29 °C | 58% (2.03 mm/hr) | 59% | 72% | 761 mm Hg | S 190° 1.81 (4.81) m/s | 4 |
| 10:00 |  Patchy rain possible | 30 °C | 57% (1.3 mm/hr) | 88% | 66% | 761 mm Hg | ESE 105° 0.39 (0.61) m/s | 7 |
| 11:00 | Patchy rain possible | 31 °C | 57% (1.59 mm/hr) | 85% | 61% | 760 mm Hg | ENE 63° 0.31 (0.5) m/s | 9.7 |
| 12:00 | Light rain shower | 32 °C | 59% (2.31 mm/hr) | 82% | 59% | 759 mm Hg | W 275° 0.89 (1) m/s | 10.7 |
| 13:00 | Light rain shower | 31 °C | 60% (1.76 mm/hr) | 100% | 60% | 758 mm Hg | NW 309° 1.31 (6.31) m/s | 9.8 |
| 14:00 |  Moderate or heavy rain shower | 31 °C | 66% (2.9 mm/hr) | 90% | 60% | 758 mm Hg | N 354° 1.81 (6.81) m/s | 7 |
| 15:00 | Light rain shower | 31 °C | 60% (1.61 mm/hr) | 100% | 64% | 757 mm Hg | NNE 20° 1.69 (1.81) m/s | 3.2 |
| 16:00 | Light rain shower | 30 °C | 66% (2.04 mm/hr) | 100% | 68% | 757 mm Hg | NNE 33° 1.11 (1.14) m/s | 1 |
| 17:00 | Light rain shower | 30 °C | 58% (0.93 mm/hr) | 100% | 71% | 758 mm Hg | NNE 14° 0.39 (0.92) m/s | 0.2 |
| 18:00 |  Moderate rain | 29 °C | 79% (3.58 mm/hr) | 100% | 77% | 758 mm Hg | NE 50° 0.61 (0.81) m/s | 0 |
| 19:00 |  Light rain shower | 28 °C | 74% (2.14 mm/hr) | 100% | 79% | 758 mm Hg | E 96° 1.5 (1.5) m/s | 0 |
| 20:00 |  Patchy rain possible | 28 °C | 33% (0.08 mm/hr) | 100% | 82% | 759 mm Hg | SE 137° 2 (2.22) m/s | 0 |
| 21:00 | Overcast | 27 °C | 26% | 100% | 84% | 760 mm Hg | S 172° 1.61 (1.81) m/s | 0 |
| 22:00 |  Light drizzle | 27 °C | 58% (0.41 mm/hr) | 100% | 84% | 760 mm Hg | WSW 251° 1.61 (2.03) m/s | 0 |
| 23:00 | Light drizzle | 27 °C | 55% (0.32 mm/hr) | 100% | 87% | 760 mm Hg | W 275° 2.39 (3.5) 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.