5-day weather forecast Bangkok 20-04-2026

Weather forecast Bangkok Monday, April 20 20.04.2026: sunny, temperature from 30 °C to 38 °C.

No precipitation expected. Wind up to 8.5 m/s (gusts 9.78 m/s). Air humidity 26–71%, atmospheric pressure 753–758 mm Hg, UV index up to 10.9.

Sunrise 06:02
Sunset 18:32

Waxing Crescent9% illuminated
Moonrise 08:08 · Moonset 21:39

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Table

← Sun, Apr 19

Mon, Apr 20, 2026

Tue, Apr 21 →

Forecast from 30 °C to 38 °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	30	30	30	30	30	30	30	31	33	35	36	37	38	38	38	36	35	33	31	31	31	31	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 (%)	6	14	20	24	15	13	10	9	8	7	7	7	8	7	8	5	5	5	9	10	13	12	9	8
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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)	6.19	6	5.81	5.5	5.19	4.5	3.61	3.11	2.69	2.19	1.89	2	2.89	4.11	5.5	6.69	6.69	6.61	7.61	8.5	8.19	7.31	6.89	6.39
Wind gust (m/s)	7.92	7.72	7.56	7.11	6.86	5.94	4.78	3.92	3.11	2.53	2.19	2.31	3.33	4.72	6.33	7.72	7.72	7.58	8.75	9.78	9.61	8.94	8.64	8.08
Wind direction (°)	S 176°	S 174°	S 176°	S 182°	S 184°	S 190°	SSW 202°	SSW 210°	SSW 205°	SSW 200°	SSW 203°	S 186°	S 169°	SSE 165°	SSE 163°	SSE 165°	SSE 160°	SSE 159°	S 173°	S 180°	S 181°	SSE 168°	SSE 159°	SSE 160°

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 (%)	70	71	71	71	70	67	64	59	52	44	34	29	27	26	28	31	35	36	44	60	63	63	64	66

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)	756	756	755	755	755	755	756	757	758	758	758	758	757	755	755	754	753	753	754	755	755	755	756	756

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	0.3	1.5	3.7	6.7	9.4	10.9	10.5	8.8	5.7	2.8	0.9	0.1	0	0	0	0	0

← Sun, Apr 19

Mon, Apr 20, 2026

Tue, Apr 21 →

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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 →