5-day weather forecast Bangkok 20-07-2026

Weather forecast Bangkok tomorrow 20.07.2026: sunny, temperature from 27 °C to 36 °C.

Precipitation probability 5%. Wind up to 5.31 m/s (gusts 6.92 m/s). Air humidity 33–68%, atmospheric pressure 755–758 mm Hg, UV index up to 11.6.

Sunrise 05:59
Sunset 18:49

First Quarter43% illuminated
Moonrise 11:16 · Moonset 23:18

Chart

Table

← Sun, Jul 19

Mon, Jul 20, 2026

Tue, Jul 21 →

Forecast from 27 °C to 36 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	30	29	28	28	27	27	27	27	28	30	32	33	35	36	36	36	36	35	33	31	30	31	30	30
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	7	5	5	6	6	5	4	2	2	3	5	5	3	18	21	17	11	10	9	14	18	11	11	6
Rain chance (%)	3	3	3	4	4	4	5	5	4	2	2	1	1	1	1	1	1	1	1	2	4	3	3	3

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	3.81	3.5	3.39	3.19	3.11	3	3	3.31	3.61	3.81	3.69	3.69	3.69	3.89	4	4	4.69	5.31	5.11	5.31	5.31	5	4.89	4.69
Wind gust (m/s)	5.33	4.97	4.89	4.56	4.39	4.17	4.25	4.44	4.28	4.36	4.25	4.25	4.25	4.5	4.61	4.61	5.42	6.11	6.17	6.64	6.92	6.75	6.64	6.42
Wind direction (°)	W 268°	W 265°	W 267°	W 268°	W 264°	W 266°	W 261°	WSW 254°	WSW 253°	WSW 247°	WSW 243°	SW 234°	SW 223°	SW 214°	SSW 208°	SSW 205°	S 190°	S 179°	S 191°	SSW 193°	SSW 198°	SW 219°	WSW 240°	WSW 245°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	54	56	58	61	63	65	68	68	63	55	46	41	37	35	34	33	34	38	43	50	56	57	53	55

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	757	757	756	756	756	757	757	758	758	758	758	758	757	756	755	755	755	755	755	756	756	757	758	758

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.4	1.7	4.1	7.3	10.2	11.6	11.3	8.9	6	2.9	1	0.2	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	12.1	12.9	13.7	14.6	15.3	15.6	15.7	15.7	13.9	12.7	13.3	14.5	15.7	16.7	17.8	17.2	17.8	18.8	19.4	19.4	18.5	16.4	14.8	14.1
PM10 (µg/m³)	21.3	23.6	25.8	28	29.7	30.4	30.2	28.4	26	22.9	23.1	24.7	26.5	28	29.5	28.1	28.5	29.2	28.9	27.1	25.2	22.5	20.4	19.4
Ozone (O₃) (µg/m³)	30	26	25	26	28	29	31	36	46	58	69	79	88	90	81	66	52	39	28	20	20	24	27	28
NO₂ (µg/m³)	7.2	7.8	8.1	8.5	8.9	9.4	10	10.2	9.7	8.8	8.1	7.4	6.9	7.7	10.2	13.9	18.7	26.5	35.4	39.6	35.2	26.1	18.3	13.9
SO₂ (µg/m³)	3	3.2	3.3	3.4	3.6	3.8	4.1	4.4	4.6	4.8	5	5.1	5.1	5.2	5.5	6	6.6	7.6	8.7	9.1	8.2	6.7	5.3	4.4
CO (µg/m³)	316	276	237	209	232	358	536	646	626	540	458	393	333	310	344	417	501	612	735	802	774	690	603	527

← Sun, Jul 19

Mon, Jul 20, 2026

Tue, Jul 21 →

Bangkok on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →