5-day weather forecast Phnom Penh 04-08-2026

Weather forecast Phnom Penh Tuesday, August 4 04.08.2026: patchy rain possible, temperature from 26 °C to 35 °C.

Precipitation probability 38%. Wind up to 5.89 m/s (gusts 8.08 m/s). Air humidity 44–82%, atmospheric pressure 755–758 mm Hg, UV index up to 12.1.

Sunrise 05:48
Sunset 18:24
Last Quarter55% illuminated
Moonrise 22:13 · Moonset 10:09
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Patchy rain possible
27 °C22% (0.09 mm/hr)76%74%757 mm HgSW 234° 2.89 (4.78) m/s0
01:00Weather
Partly cloudy
27 °C10% 31%77%757 mm HgWSW 243° 3 (5) m/s0
02:00Weather
Partly cloudy
26 °C13% 45%79%756 mm HgWSW 239° 2.69 (4.5) m/s0
03:00Weather
Patchy rain possible
26 °C32% (0.2 mm/hr)74%80%755 mm HgSW 236° 2.39 (4.03) m/s0
04:00Weather
Patchy rain possible
26 °C22% (0.02 mm/hr)80%81%756 mm HgWSW 242° 2.11 (3.53) m/s0
05:00Weather
Patchy rain possible
26 °C23% (0.02 mm/hr)86%82%756 mm HgWSW 242° 1.81 (3.08) m/s0
06:00Weather
Patchy rain possible
26 °C22% (0.01 mm/hr)85%82%756 mm HgSW 235° 1.61 (2.67) m/s0
07:00Weather
Partly cloudy
27 °C11% 34%77%757 mm HgWSW 243° 2.31 (3.17) m/s0.6
08:00Weather
Partly cloudy
29 °C10% 51%69%758 mm HgWSW 257° 3 (3.75) m/s1.9
09:00Weather
Cloudy
31 °C9% 64%61%758 mm HgW 267° 4.11 (4.72) m/s4.7
10:00Weather
Cloudy
32 °C9% 80%54%758 mm HgW 274° 4.39 (5.06) m/s8
11:00Weather
Partly cloudy
34 °C5% 56%49%757 mm HgW 277° 4.5 (5.17) m/s10.6
12:00Weather
Patchy rain possible
35 °C5% (0.02 mm/hr)51%44%756 mm HgW 279° 4.39 (5.06) m/s12.1
13:00Weather
Patchy rain possible
34 °C17% (0.09 mm/hr)88%46%755 mm HgW 270° 5.61 (6.44) m/s7.1
14:00Weather
Light rain shower
33 °C36% (0.37 mm/hr)53%50%755 mm HgW 268° 5.5 (6.86) m/s4
15:00Weather
Light rain shower
33 °C38% (0.53 mm/hr)100%51%755 mm HgW 277° 5.5 (7.03) m/s3.2
16:00Weather
Patchy rain possible
31 °C17% (0.14 mm/hr)57%57%755 mm HgWNW 283° 5.89 (8.08) m/s0.9
17:00Weather
Patchy rain possible
30 °C11% (0.02 mm/hr)76%61%755 mm HgWNW 282° 4.39 (6.31) m/s0.3
18:00Weather
Patchy rain possible
29 °C24% (0.24 mm/hr)71%66%755 mm HgW 274° 1.5 (2.25) m/s0
19:00Weather
Patchy rain possible
28 °C17% (0.03 mm/hr)82%70%756 mm HgSSW 211° 1.61 (2.5) m/s0
20:00Weather
Partly cloudy
28 °C10% 46%73%756 mm HgS 170° 1.81 (2.83) m/s0
21:00Weather
Partly cloudy
28 °C11% 45%74%757 mm HgS 172° 1.89 (3.03) m/s0
22:00Weather
Partly cloudy
27 °C11% 45%75%757 mm HgS 176° 2.31 (3.75) m/s0
23:00Weather
Partly cloudy
27 °C11% 45%75%757 mm HgS 189° 2.61 (4.39) 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.