Weather Koh Rong Today – Temperature, Rain & Hourly Forecast
Monday, 21/09/2026
27°
Light showers · Feels like 30°
Updated 9 hours ago
- High/Low
- 29°/26°
- Humidity
- 84%
- Wind
- 19 km/h
- Rainfall
- 29.0 mm
- UV index
- 6.9
- Pressure
- 1014 hPa
- Sunrise
- 05:56
- Sunset
- 18:04
Today
00
06
12
18
00:0006:0012:0018:00
Summary
Koh Rong gets a cooler-than-usual day, 26–29°C, with thunderstorm.
Heavy rain around 00:00–00:00, up to 29 mm — avoid travel at that hour if you can.
Thunderstorms are possible around 00:00–00:00.
Maximum UV of 6.9 at 14:00 — wear a hat for longer stints outdoors.
Humidity of 84% pushes the felt temperature to 30°C.
Wind runs 26 km/h out of the north-west.
Temperatures hold steady near 28°C through the week.
The wettest day ahead is Thursday 24/09 with about 116 mm.
Sunrise 05:56, sunset 18:04.
Best time to visit
Outdoor heat stress
33°C
Peaks at 19:00 — limit heavy work
Dry riding window
–
No dry window of 2+ hours in the next 14 hours
Drying laundry
Workable
0 sunny hours, 0 wet hours between 07:00 and 17:00
Sunrise viewing
05:56
100% cloud at sunrise — thick cloud, poor visibility
Skin protection
6.9
Unprotected skin may burn in about 25 minutes
48-hour forecast
18:00
29°
75%
19:00
29°
69%
20:00
29°
69%
21:00
28°
71%
22:00
27°
73%
23:00
28°
71%
00:00
27°
69%
01:00
28°
69%
02:00
28°
74%
03:00
28°
83%
04:00
27°
88%
05:00
27°
88%
06:00
27°
86%
07:00
27°
84%
08:00
27°
84%
09:00
26°
86%
10:00
27°
88%
11:00
27°
92%
12:00
27°
97%
13:00
27°
100%
14:00
27°
100%
15:00
27°
99%
16:00
28°
98%
17:00
28°
96%
18:00
27°
94%
19:00
28°
92%
20:00
27°
93%
21:00
26°
94%
22:00
26°
94%
23:00
26°
90%
00:00
27°
83%
01:00
27°
80%
02:00
26°
82%
03:00
27°
87%
04:00
27°
90%
05:00
27°
89%
06:00
26°
85%
07:00
26°
84%
08:00
27°
86%
09:00
27°
90%
10:00
27°
94%
11:00
27°
97%
12:00
27°
99%
13:00
27°
100%
14:00
27°
100%
15:00
26°
99%
16:00
27°
98%
17:00
27°
97%
Days ahead
| Today | Low/High | Chance of rain | Rainfall | |
|---|---|---|---|---|
| Today 21/09 | Thunderstorm | 26°29° | 100% | 29.0 mm |
| Tomorrow 22/09 | Thunderstorm | 26°28° | 100% | 29.6 mm |
| Wednesday 23/09 | Thunderstorm | 26°27° | 100% | 95.6 mm |
| Thursday 24/09 | Thunderstorm | 27°27° | 100% | 115.8 mm |
| Friday 25/09 | Thunderstorm | 26°27° | 100% | 38.9 mm |
Monthly averages
Common questions
Will it rain in Koh Rong today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 29 mm.
How hot is it in Koh Rong today?
Between 26°C and 29°C, with a felt maximum of 33°C.
What is the weather in Koh Rong tomorrow?
Tomorrow: thunderstorm, 26–28°C, with a 100% chance of rain.
Koh Rong
Sea & waves today
0.5 m · calm · period 4s · W
| 21/09 | 0.5 m | calm |
| 22/09 | 0.6 m | slight |
| 23/09 | 0.8 m | slight |