Siem Reap, Cambodia 14-Day Forecast
Cambodia 🇰🇭
76°
Overcast right now
Today: high 88°, low 76°
Updated just now
Siem Reap weather for the next 14 days
Thursday, September 17
Light rain shower High 88° Low 77°Precipitation
87%
· 0.64 in
Max wind
7 mph
Humidity
81%
UV index
12 - Extreme
Sunrise / sunset
05:53 AM / 06:04 PM
Friday, September 18
Light rain shower High 89° Low 77°Precipitation
87%
· 0.63 in
Max wind
10 mph
Humidity
81%
UV index
12 - Extreme
Sunrise / sunset
05:53 AM / 06:03 PM
Saturday, September 19
Light rain shower High 87° Low 77°Precipitation
87%
· 0.52 in
Max wind
9 mph
Humidity
81%
UV index
12 - Extreme
Sunrise / sunset
05:53 AM / 06:03 PM
Sunday, September 20
Light rain shower High 88° Low 76°Precipitation
88%
· 0.41 in
Max wind
7 mph
Humidity
83%
UV index
10 - Very High
Sunrise / sunset
05:53 AM / 06:02 PM
Monday, September 21
Light rain shower High 87° Low 76°Precipitation
89%
· 0.76 in
Max wind
9 mph
Humidity
85%
UV index
7 - High
Sunrise / sunset
05:53 AM / 06:01 PM
Tuesday, September 22
Light rain shower High 86° Low 75°Precipitation
88%
· 0.46 in
Max wind
8 mph
Humidity
85%
UV index
7 - High
Sunrise / sunset
05:53 AM / 06:00 PM
Wednesday, September 23
Light rain shower High 82° Low 76°Precipitation
85%
· 0.18 in
Max wind
8 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:53 AM / 06:00 PM
Thursday, September 24
Light rain shower High 84° Low 75°Precipitation
90%
· 0.65 in
Max wind
10 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:53 AM / 05:59 PM
Friday, September 25
Patchy rain nearby High 89° Low 75°Precipitation
82%
· 0.21 in
Max wind
8 mph
Humidity
81%
UV index
7 - High
Sunrise / sunset
05:53 AM / 05:58 PM
Saturday, September 26
Sunny High 91° Low 76°Precipitation
57%
· 0.07 in
Max wind
10 mph
Humidity
78%
UV index
8 - Very High
Sunrise / sunset
05:53 AM / 05:58 PM
Sunday, September 27
Patchy rain nearby High 91° Low 77°Precipitation
81%
· 0.23 in
Max wind
12 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
05:53 AM / 05:57 PM
Monday, September 28
Light rain shower High 88° Low 77°Precipitation
86%
· 0.55 in
Max wind
7 mph
Humidity
80%
UV index
7 - High
Sunrise / sunset
05:53 AM / 05:56 PM
Tuesday, September 29
Light rain shower High 86° Low 77°Precipitation
83%
· 0.26 in
Max wind
6 mph
Humidity
81%
UV index
7 - High
Sunrise / sunset
05:53 AM / 05:55 PM
Siem Reap 14-day outlook: the story
The warmest day of Siem Reap's 14-day outlook is Sunday, September 27 with a high near 91°F (33°C); the coolest night comes Friday, September 25, dipping to 75°F (24°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 88°F (31°C), right in line with the typical September high of 87°F (31°C).
Precipitation is most likely on Wednesday 16, Thursday 17, Friday 18, Saturday 19 and beyond; the wettest day looks like Monday, September 21 with about 0.76 in (19.4 mm) expected. For the weekend, expect Saturday 87°F (31°C) and light rain shower / Sunday 88°F (31°C) and light rain shower.
For typical conditions month by month, see the Siem Reap climate & average temperatures guide.
Siem Reap forecast questions
Will it rain in Siem Reap this week?
The forecast currently shows meaningful precipitation chances on 14 of the next 14 days, peaking around Monday, September 21.
What will be the warmest day in Siem Reap over the next 14 days?
Sunday, September 27, with a forecast high near 91°F (33°C).
How accurate is a 14-day forecast for Siem Reap?
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 Siem Reap by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 88° | 71° | 2 | 0.7 in | 10.3 h/day | 64% |
| February | 91° | 73° | 4 | 1.0 in | 10.7 h/day | 62% |
| March | 94° | 77° | 10 | 2.0 in | 11.1 h/day | 66% |
| April | 94° | 78° | 14 | 4.2 in | 10.8 h/day | 69% |
| May | 92° | 79° | 23 | 7.7 in | 10.0 h/day | 77% |
| June | 91° | 78° | 22 | 6.1 in | 9.4 h/day | 78% |
| July | 89° | 78° | 26 | 8.7 in | 8.1 h/day | 81% |
| August | 89° | 77° | 25 | 8.4 in | 8.5 h/day | 81% |
| September | 87° | 76° | 27 | 12.8 in | 7.7 h/day | 86% |
| October | 87° | 75° | 23 | 10.1 in | 8.7 h/day | 85% |
| November | 87° | 74° | 13 | 4.0 in | 9.7 h/day | 78% |
| December | 86° | 71° | 4 | 1.0 in | 9.9 h/day | 70% |
14-day forecasts nearby