Phnom Penh, Cambodia 14-Day Forecast
Cambodia 🇰🇭
79°
Overcast right now
Today: high 95°, low 79°
Updated just now
Phnom Penh weather for the next 14 days
Thursday, September 17
Overcast High 90° Low 80°Precipitation
41%
· 0.02 in
Max wind
20 mph
Humidity
70%
UV index
11 - Very High
Sunrise / sunset
05:49 AM / 06:00 PM
Friday, September 18
Overcast High 92° Low 78°Precipitation
77%
· 0.19 in
Max wind
10 mph
Humidity
70%
UV index
11 - Extreme
Sunrise / sunset
05:49 AM / 05:59 PM
Saturday, September 19
Overcast High 90° Low 80°Precipitation
80%
· 0.31 in
Max wind
12 mph
Humidity
73%
UV index
10 - Very High
Sunrise / sunset
05:49 AM / 05:58 PM
Sunday, September 20
Overcast High 92° Low 79°Precipitation
76%
· 0.16 in
Max wind
7 mph
Humidity
74%
UV index
12 - Extreme
Sunrise / sunset
05:49 AM / 05:57 PM
Monday, September 21
Light rain shower High 87° Low 76°Precipitation
86%
· 3.02 in
Max wind
10 mph
Humidity
80%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:57 PM
Tuesday, September 22
Light rain shower High 87° Low 76°Precipitation
87%
· 0.7 in
Max wind
9 mph
Humidity
80%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:56 PM
Wednesday, September 23
Light rain shower High 81° Low 77°Precipitation
89%
· 0.38 in
Max wind
10 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:49 AM / 05:55 PM
Thursday, September 24
Light rain shower High 85° Low 76°Precipitation
88%
· 0.43 in
Max wind
14 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:49 AM / 05:55 PM
Friday, September 25
Light rain shower High 91° Low 77°Precipitation
71%
· 0.17 in
Max wind
11 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:54 PM
Saturday, September 26
Light rain shower High 93° Low 78°Precipitation
79%
· 0.32 in
Max wind
10 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:53 PM
Sunday, September 27
Light rain shower High 84° Low 77°Precipitation
89%
· 0.63 in
Max wind
7 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
05:49 AM / 05:53 PM
Monday, September 28
Light rain shower High 90° Low 77°Precipitation
86%
· 0.41 in
Max wind
11 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:52 PM
Tuesday, September 29
Overcast High 88° Low 78°Precipitation
25%
· 0.0 in
Max wind
5 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
05:49 AM / 05:51 PM
Phnom Penh 14-day outlook: the story
The warmest day of Phnom Penh's 14-day outlook is Wednesday, September 16 with a high near 95°F (35°C); the coolest night comes Tuesday, September 22, dipping to 76°F (24°C). The trend points cooler: week two runs about 3°F below week one. Highs over the next two weeks average 91°F (33°C), about 3°F (2°C) above the typical September high of 88°F (31°C).
Precipitation is most likely on Wednesday 16, Friday 18, Saturday 19, Sunday 20 and beyond; the wettest day looks like Monday, September 21 with about 3.02 in (76.8 mm) expected. For the weekend, expect Saturday 90°F (32°C) and overcast / Sunday 92°F (33°C) and overcast.
For typical conditions month by month, see the Phnom Penh climate & average temperatures guide.
Phnom Penh forecast questions
Will it rain in Phnom Penh this week?
The forecast currently shows meaningful precipitation chances on 12 of the next 14 days, peaking around Monday, September 21.
What will be the warmest day in Phnom Penh over the next 14 days?
Wednesday, September 16, with a forecast high near 95°F (35°C).
How accurate is a 14-day forecast for Phnom Penh?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Phnom Penh by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 89° | 74° | 4 | 0.7 in | 10.4 h/day | 67% |
| February | 91° | 74° | 2 | 0.6 in | 11.0 h/day | 62% |
| March | 94° | 77° | 5 | 1.5 in | 11.4 h/day | 63% |
| April | 94° | 79° | 14 | 3.7 in | 11.2 h/day | 69% |
| May | 92° | 80° | 25 | 7.0 in | 10.1 h/day | 77% |
| June | 90° | 78° | 24 | 6.4 in | 9.3 h/day | 79% |
| July | 89° | 78° | 24 | 7.4 in | 8.4 h/day | 80% |
| August | 90° | 78° | 26 | 8.2 in | 9.0 h/day | 80% |
| September | 88° | 77° | 28 | 11.7 in | 8.0 h/day | 85% |
| October | 87° | 76° | 25 | 12.0 in | 8.7 h/day | 85% |
| November | 87° | 76° | 16 | 6.0 in | 9.8 h/day | 80% |
| December | 87° | 74° | 7 | 1.6 in | 9.9 h/day | 72% |