Weather Hong Kong Today – Temperature, Rain & Hourly Forecast
Monday, 21/09/2026
31°
Overcast · Feels like 36°
Updated 11 hours ago
- High/Low
- 31°/25°
- Humidity
- 61%
- Wind
- 6 km/h
- Rainfall
- 2.4 mm
- UV index
- 8.1
- Pressure
- 1015 hPa
- Sunrise
- 06:11
- Sunset
- 18:20
Today
00
06
12
18
00:0006:0012:0018:00
Summary
Hong Kong holds at 25–31°C through the day, with thunderstorm.
Light rain around 10:00–16:00, roughly 2.1 mm.
Thunderstorms are possible around 10:00–16:00.
Maximum UV of 8.1 at 13:00 — stay out of the sun between 10am and 3pm and use sunscreen.
Humidity of 61% pushes the felt temperature to 36°C.
Wind runs 8 km/h out of the south-east.
Temperatures hold steady near 31°C through the week.
The wettest day ahead is Tuesday 22/09 with about 10 mm.
Sunrise 06:11, sunset 18:20.
Best time to visit
Outdoor heat stress
26°C
Peaks at 21:00 — safe
Dry riding window
21:00–05:00
8 hours dry; 1 window(s) in the next 14 hours
Drying laundry
Workable
0 sunny hours, 0 wet hours between 07:00 and 17:00
Sunrise viewing
06:11
85% cloud at sunrise — thick cloud, poor visibility
Skin protection
8.1
Unprotected skin may burn in about 15 minutes
48-hour forecast
21:00
26°
0%
22:00
26°
0%
23:00
26°
0%
00:00
26°
0%
01:00
26°
0%
02:00
26°
0%
03:00
26°
14%
04:00
26°
34%
05:00
24°
49%
06:00
23°
56%
07:00
24°
59%
08:00
25°
57%
09:00
27°
46%
10:00
28°
30%
11:00
29°
24%
12:00
29°
37%
13:00
29°
60%
14:00
28°
73%
15:00
28°
67%
16:00
28°
51%
17:00
27°
35%
18:00
27°
22%
19:00
26°
11%
20:00
26°
2%
21:00
26°
0%
22:00
26°
0%
23:00
26°
0%
00:00
26°
3%
01:00
26°
7%
02:00
26°
10%
03:00
25°
11%
04:00
25°
11%
05:00
25°
12%
06:00
25°
13%
07:00
26°
15%
08:00
26°
18%
09:00
27°
22%
10:00
28°
26%
11:00
28°
33%
12:00
27°
46%
13:00
29°
60%
14:00
29°
67%
15:00
28°
59%
16:00
27°
43%
17:00
27°
29%
18:00
26°
19%
19:00
26°
10%
20:00
26°
4%
Days ahead
| Today | Low/High | Chance of rain | Rainfall | |
|---|---|---|---|---|
| Today 21/09 | Thunderstorm | 25°31° | 75% | 2.4 mm |
| Tomorrow 22/09 | Thunderstorm | 23°29° | 73% | 9.8 mm |
| Wednesday 23/09 | Thunderstorm | 25°29° | 67% | 4.7 mm |
| Thursday 24/09 | Drizzle | 25°28° | 57% | 1.6 mm |
| Friday 25/09 | Mainly clear | 25°29° | 29% | 0.0 mm |
Monthly averages
Common questions
Will it rain in Hong Kong today?
Yes. Rain is expected around 10:00–16:00, totalling roughly 2.1 mm.
How hot is it in Hong Kong today?
Between 25°C and 31°C, with a felt maximum of 36°C.
What is the weather in Hong Kong tomorrow?
Tomorrow: thunderstorm, 23–29°C, with a 73% chance of rain.