5-day weather forecast Bangkok 31-05-2026

Weather forecast Bangkok Sunday, May 31 31.05.2026: patchy rain possible, temperature from 28 °C to 36 °C.

Precipitation probability 100%. Wind up to 5.61 m/s (gusts 6.92 m/s). Air humidity 39–75%, atmospheric pressure 754–757 mm Hg, UV index up to 11.6.

Sunrise 05:49
Sunset 18:42

Full Moon99% illuminated
Moonrise 19:02 · Moonset 05:35

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Table

← Sat, May 30

Sun, May 31, 2026

Mon, Jun 1 →

Forecast from 28 °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)	29	29	29	29	28	28	28	28	28	30	30	32	34	35	36	36	35	34	33	31	30	30	31	30
Precipitation (mm/hr)	0.12	0	0.51	0.01	0	0.41	0.06	0.63	0.97	0.42	0.15	0	0	0	0	0	0	0	0.01	0.24	0.01	0	0.06	0.09

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 (%)	89	74	65	61	49	88	71	72	87	54	77	43	55	52	49	44	46	31	70	84	83	68	76	89
Rain chance (%)	100	0	100	76	0	100	100	100	100	100	100	0	0	0	0	0	0	0	81	100	63	0	100	100

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)	3.19	2.31	1.69	2	2.11	2.31	2.5	2.39	2.19	2.61	2.5	3	3	2.89	2.31	2	2.39	3.31	4.69	5.61	4.39	3	2.5	2.61
Wind gust (m/s)	4.56	3.19	2.47	2.83	2.97	3.28	3.58	3.31	2.89	3.17	3.5	3.56	4.25	3.33	2.64	2.31	2.78	4	5.97	6.92	5.83	4.06	3.36	3.67
Wind direction (°)	S 189°	SSW 196°	SW 218°	WSW 254°	W 268°	W 269°	W 267°	W 272°	W 279°	W 276°	W 262°	WSW 253°	WSW 254°	WSW 254°	WSW 241°	SSW 213°	S 187°	S 184°	SSW 198°	SSW 210°	SSW 211°	SSW 197°	SSW 200°	WSW 238°

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	70	72	73	74	75	74	73	69	62	57	49	44	41	39	40	42	44	51	60	62	63	63	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	757	757	757	757	756	755	755	754	754	754	755	755	756	756	757	757

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	0.2	0.7	2.6	6.9	10.3	11.6	11.5	9.2	5.4	2.1	0.7	0.1	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)	16.4	12.1	8.2	7.8	9.5	11.3	13.3	15.7	17.5	19.6	21.7	21.9	22.3	24.8	23.4	18.4	15.2	13.8	14.3	15.9	17.1	17	15.8	14.4
PM10 (µg/m³)	20.4	16	11.2	10	11.3	13.1	15	17.3	19	21.2	23.6	23.8	24.4	26.9	25.7	20.5	16.8	15.2	15.7	17.3	18.5	18.3	17.1	15.6
Ozone (O₃) (µg/m³)	145	109	80	66	58	53	48	44	41	37	33	31	28	27	34	56	86	116	145	173	190	191	180	163
NO₂ (µg/m³)	14.8	12.5	11.2	11.8	13.4	15.4	17.5	20	23.1	27.8	33.2	36.9	38.3	38	35.4	28.9	20.1	13.1	9.6	7.8	7.1	7.5	8.9	10.1
SO₂ (µg/m³)	7.5	5.2	3.8	3.9	4.9	5.9	6.5	7.2	8.4	10.6	13.4	15.5	16.7	17.2	16.9	15.3	12.8	10.9	10.1	9.8	9.5	9.2	8.8	8.2
CO (µg/m³)	789.9	1099.9	1320.9	1343.9	1277.9	1256.9	1355.9	1499.9	1591.9	1580.9	1518.9	1460.9	1458.9	1460.9	1366.9	1078.9	695.9	411.9	317.9	321.9	346.9	364.9	402.9	460.9

← Sat, May 30

Sun, May 31, 2026

Mon, Jun 1 →

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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.

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