5-day weather forecast Singapore 20-05-2026

Weather forecast Singapore Wednesday, May 20 20.05.2026: patchy rain possible, temperature from 27 °C to 30 °C.

Precipitation probability 100%. Wind up to 4.19 m/s (gusts 6.22 m/s). Air humidity 70–83%, atmospheric pressure 754–757 mm Hg, UV index up to 10.3.

Sunrise 06:56
Sunset 19:07

Waxing Crescent15% illuminated
Moonrise 10:19 · Moonset 22:54

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← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

Forecast from 27 °C to 30 °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	28	28	28	28	27	27	27	28	28	29	29	29	30	30	30	30	30	30	29	29	29	29	29
Precipitation (mm/hr)	0	0.22	1.88	0.66	0.26	0.03	0.01	0.43	0.23	0	0	0	0.03	0.06	0.02	0.37	0.2	0.51	0.01	0.22	0	0.32	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 (%)	46	81	89	83	76	74	57	87	85	54	54	59	71	52	84	85	78	75	76	85	44	78	61	52
Rain chance (%)	0	100	100	100	100	76	76	100	100	0	0	0	72	100	88	100	100	100	87	100	0	100	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)	4.19	4	3.61	3.31	2.81	2.69	2.5	2.31	2.11	1.61	1.11	1.31	1.89	2.39	3.11	3.61	3.31	2.81	2.39	2.69	2.39	1.89	1.81	1.39
Wind gust (m/s)	6.22	5.92	5.72	4.92	4.25	4.11	3.83	3.78	3.67	2.17	1.44	1.69	2.44	3.06	3.89	4.58	4.33	3.81	3.33	3.89	3.47	2.72	2.58	2
Wind direction (°)	WNW 296°	NW 307°	NW 313°	NW 320°	NW 324°	NNW 327°	NNW 329°	NNW 343°	N 357°	NNE 18°	NE 42°	ESE 103°	SE 144°	SSE 163°	S 188°	SSW 196°	SSW 200°	SSW 192°	S 188°	S 189°	S 182°	S 177°	S 172°	S 169°

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 (%)	79	80	83	82	81	82	82	81	80	77	75	72	71	70	70	70	70	71	70	72	72	72	73	74

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	755	755	756	757	757	757	756	755	755	755	755	754	755	755	755	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	0.3	1.6	3.9	6.5	8.3	10.2	10.3	7.6	4.3	1.7	0.4	0	0	0	0	0

← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

Singapore 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 →