5-day weather forecast Phnom Penh 03-08-2026

Weather forecast Phnom Penh Monday, August 3 03.08.2026: sunny, temperature from 25 °C to 36 °C.

Precipitation probability 30%. Wind up to 5.19 m/s (gusts 8.08 m/s). Air humidity 41–82%, atmospheric pressure 755–758 mm Hg, UV index up to 12.4.

Sunrise 05:48
Sunset 18:24
Last Quarter65% illuminated
Moonrise 21:35 · Moonset 09:23
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
27 °C7% 12%74%757 mm HgSW 221° 3.39 (5.53) m/s0
01:00Weather
Clear
26 °C9% 13%77%756 mm HgSW 224° 2.89 (4.86) m/s0
02:00Weather
Patchy rain possible
26 °C30% (0.15 mm/hr)82%79%756 mm HgSW 223° 2.61 (4.39) m/s0
03:00Weather
Clear
26 °C10% 16%80%755 mm HgSW 229° 2.61 (4.47) m/s0
04:00Weather
Clear
26 °C10% 14%80%755 mm HgSW 230° 2.5 (4.33) m/s0
05:00Weather
Clear
26 °C11% 14%82%756 mm HgSW 221° 2.5 (4.33) m/s0
06:00Weather
Sunny
25 °C11% 14%82%756 mm HgSW 220° 2.31 (4) m/s0
07:00Weather
Sunny
27 °C8% 13%76%757 mm HgSW 221° 2.39 (3.33) m/s0.7
08:00Weather
Sunny
29 °C5% 11%67%757 mm HgSW 234° 3.39 (4.08) m/s2.5
09:00Weather
Sunny
31 °C4% 24%59%758 mm HgWSW 241° 3.89 (4.5) m/s5
10:00Weather
Sunny
32 °C3% 16%53%757 mm HgWSW 245° 4.31 (4.94) m/s8.5
11:00Weather
Partly cloudy
34 °C4% 47%48%757 mm HgWSW 249° 4.69 (5.42) m/s11.2
12:00Weather
Partly cloudy
35 °C3% 34%44%756 mm HgWSW 253° 4.69 (5.42) m/s12.4
13:00Weather
Patchy rain possible
36 °C8% (0.02 mm/hr)75%41%755 mm HgWSW 257° 4.81 (5.53) m/s10.9
14:00Weather
Light rain shower
35 °C17% (0.18 mm/hr)75%42%755 mm HgWSW 247° 5.11 (5.89) m/s5.5
15:00Weather
Overcast
34 °C9% 88%47%755 mm HgWSW 238° 4.61 (6.47) m/s1.6
16:00Weather
Cloudy
33 °C6% 64%50%755 mm HgSW 235° 4.69 (7) m/s0.6
17:00Weather
Partly cloudy
33 °C6% 57%51%755 mm HgWSW 239° 4.69 (6.97) m/s0.3
18:00Weather
Partly cloudy
32 °C5% 42%54%755 mm HgWSW 241° 5.11 (7.89) m/s0
19:00Weather
Clear
30 °C4% 19%59%755 mm HgWSW 248° 5.19 (8.08) m/s0
20:00Weather
Patchy rain possible
29 °C13% (0.03 mm/hr)77%64%756 mm HgWSW 248° 4.81 (7.53) m/s0
21:00Weather
Patchy rain possible
29 °C14% (0.02 mm/hr)80%67%757 mm HgWSW 239° 4.11 (6.61) m/s0
22:00Weather
Patchy rain possible
28 °C14% (0.03 mm/hr)72%70%758 mm HgSW 230° 3.61 (5.89) m/s0
23:00Weather
Patchy rain possible
28 °C21% (0.06 mm/hr)85%72%758 mm HgSW 229° 3.31 (5.47) m/s0

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.