5-day weather forecast Singapore 18-07-2026

Weather forecast Singapore tomorrow 18.07.2026: patchy rain possible, temperature from 27 °C to 29 °C.

Precipitation probability 61%. Wind up to 3.69 m/s (gusts 5.53 m/s). Air humidity 69–81%, atmospheric pressure 757–760 mm Hg, UV index up to 9.5.

Sunrise 07:05
Sunset 19:16

Waxing Crescent23% illuminated
Moonrise 10:18 · Moonset 22:42

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Table

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 19 →

Forecast from 27 °C to 29 °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)	28	28	27	27	27	27	27	27	27	28	28	29	29	29	29	29	29	29	29	28	28	28	28	28
Precipitation (mm/hr)	0.16	0	0.64	0.17	0.63	0.05	0	0	0.02	0.74	1.27	0.32	0.45	0.55	0.37	0.09	0.12	0.1	1.31	1.51	0.76	0.34	0.74	0.15

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 (%)	82	16	87	73	87	71	18	21	73	79	72	84	89	72	64	78	71	88	89	71	85	73	73	74
Rain chance (%)	32	11	56	31	56	21	10	10	19	54	58	36	41	40	36	20	20	23	61	60	55	36	52	28

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)	3.39	3.5	3.19	2.89	2.5	2.5	2.61	2.61	2.61	2.69	3.19	3.69	3.5	3.5	3.5	3.39	3.5	3	2.69	2.61	2.5	1.81	1.31	1.11
Wind gust (m/s)	5	5.22	4.75	4.33	3.89	3.83	3.92	3.97	3.75	3.81	4.42	5.14	4.97	5.42	5.53	4.39	4.61	4.03	3.75	3.94	3.72	2.67	1.97	1.67
Wind direction (°)	ESE 119°	ESE 118°	ESE 109°	ESE 106°	ESE 107°	ESE 122°	SE 135°	SE 134°	SE 134°	SE 134°	SE 132°	SE 143°	SSE 156°	S 174°	S 182°	S 180°	S 173°	SSE 167°	SSE 166°	SSE 164°	S 171°	S 179°	SSW 195°	S 183°

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 (%)	80	81	81	81	81	79	79	80	79	78	75	72	70	69	69	69	69	70	73	76	76	77	78	79

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)	759	758	758	758	758	757	758	758	758	759	759	759	759	758	758	757	757	757	757	758	758	758	759	760

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	0.4	1.5	3.8	6.5	8.8	9.5	8.6	6.5	3.7	1.7	0.5	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)	10	9.7	9.4	9	8.4	8.1	8.5	8.5	9.1	10.2	10.7	12.2	13.6	14.5	15.3	16.9	17.4	17.1	16.1	15.4	15	14.9	14.4	13.8
PM10 (µg/m³)	13.1	13	12.8	12.5	11.7	11.1	11.2	11.1	11.7	12.7	13.4	15.1	16.9	18.2	19.5	21.4	21.9	21.4	19.8	18.9	18.2	18.2	17.8	17.2
Ozone (O₃) (µg/m³)	42	42	42	41	41	40	39	39	40	43	47	51	55	58	60	60	60	57	51	43	38	37	38	40
NO₂ (µg/m³)	21	19.8	19.3	19.7	20.7	21.6	22.2	22.6	22.2	20.2	17.3	15.1	14.1	13.9	14.3	15.3	17	19.6	24.1	29.5	32.9	32.8	30.8	28.9
SO₂ (µg/m³)	6.5	6.1	5.7	5.4	5.2	5.3	5.7	6.4	7	7.6	8.1	8.6	9	9.4	9.7	10	10.2	10.2	9.9	9.5	9.2	9.1	9	9
CO (µg/m³)	645	735	760	636	447	338	406	554	636	575	447	337	268	216	192	203	242	302	409	538	606	555	443	360

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 19 →

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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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