Weather Tomorrow in Siem Reap – Hour-by-Hour Forecast

Tuesday, 22/09/2026

30° / 24°
Thunderstorm · Chance of rain 96%

Siem Reap Hourly Weather – Next 48 Hours

00
06
12
18
00:0006:0012:0018:00

48-hour forecast

00:00
25°
80%
01:00
25°
75%
02:00
25°
76%
03:00
25°
81%
04:00
24°
84%
05:00
25°
85%
06:00
24°
85%
07:00
25°
84%
08:00
25°
80%
09:00
26°
75%
10:00
26°
73%
11:00
28°
77%
12:00
28°
84%
13:00
30°
90%
14:00
30°
92%
15:00
30°
92%
16:00
30°
92%
17:00
27°
94%
18:00
26°
95%
19:00
26°
96%
20:00
25°
94%
21:00
25°
90%
22:00
25°
88%
23:00
25°
89%

Summary

Siem Reap is warm today, 25–30°C, with thunderstorm.

Temperatures ease off, bottoming out at 24°C on Wednesday 23/09.

The wettest day ahead is Friday 25/09 with about 50 mm.

Sunrise 05:53, sunset 18:01.

Common questions

Will it rain in Siem Reap today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 24.9 mm.
How hot is it in Siem Reap today?
Between 25°C and 30°C, with a felt maximum of 37°C.
What is the weather in Siem Reap tomorrow?
Tomorrow: thunderstorm, 24–30°C, with a 96% chance of rain.

Siem Reap