5-day weather forecast Chennai 20-03-2026

Weather forecast Chennai Friday 20 March 20.03.2026: sunny, temperature from 25 °C to 30 °C.

Precipitation probability 79%. Wind up to 8.11 m/s (gusts 9.97 m/s). Air humidity 59–81%, atmospheric pressure 755–760 mm Hg, UV index up to 11.4.

Sunrise 06:16
Sunset 18:20

Chart

Table

Type of temperature:

°C

°F

← Thu, 19 Mar

Fri, 20 Mar, 2026

Sat, 21 Mar →

Forecast from 25 °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)	27	26	26	26	25	25	25	26	28	29	30	30	30	30	30	30	29	28	28	27	27	27	27	27
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0.57	3.18	0	0	0	0	0

Cloud cover

Cloud cover
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 (%)	8	11	12	15	21	15	17	19	22	16	18	13	23	20	19	16	72	71	88	8	11	12	11	14

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)	3.31	3.19	3.5	3.61	4.19	4	3.19	3.19	3.11	2.81	3.11	4.69	6.39	7.39	7.5	7.89	8.11	4.69	2.19	4.5	6.61	4.81	4.19	4.31
Wind gust (m/s)	5.03	4.92	5.36	5.56	6.5	6.28	4.94	4.33	3.78	3.33	3.61	5.42	7.36	8.53	8.86	9.08	9.72	6.33	3.22	6.78	9.97	7.11	6.14	6.25

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 (%)	74	75	76	77	79	80	81	77	71	65	60	59	60	63	64	64	68	73	75	71	77	80	81	80

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)	758	758	757	757	757	757	758	758	759	760	759	758	758	756	756	755	755	756	757	757	757	758	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	0.1	0.8	2.8	5.8	9	11.2	11.4	9.1	5.2	3.4	1.3	0.2	0	0	0	0	0	0

← Thu, 19 Mar

Fri, 20 Mar, 2026

Sat, 21 Mar →

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 →

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