5-day weather forecast Tehran 20-05-2026

Weather forecast Tehran Wednesday, May 20 20.05.2026: sunny, temperature from 16 °C to 25 °C.

No precipitation expected. Wind up to 5.69 m/s (gusts 6.56 m/s). Air humidity 20–37%, atmospheric pressure 752–755 mm Hg, UV index up to 9.9.

Sunrise 05:56
Sunset 20:07

Waxing Crescent15% illuminated
Moonrise 09:05 · Moonset below the horizon

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← Tue, May 19

Wed, May 20, 2026

Forecast from 16 °C to 25 °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)	18	17	17	17	17	16	17	18	19	20	21	22	23	24	24	25	25	24	24	24	23	23	23	22
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 (%)	7	9	6	4	5	7	9	7	4	4	4	4	4	3	3	3	2	1	21	6	12	92	53	4
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)	3.61	3.19	2.5	2.5	2.31	2	1.5	1.31	1.81	2.69	3.69	4.31	4.31	5	4.81	5.11	5.69	4.89	4.39	4.69	4.19	3.61	3.69	4.69
Wind gust (m/s)	4.14	3.67	2.89	2.89	2.64	2.31	1.72	1.5	2.08	3.11	4.25	4.94	4.94	5.75	5.53	5.86	6.56	5.64	5.06	5.42	4.83	4.14	4.25	5.42
Wind direction (°)	NW 322°	NNW 329°	NNW 330°	NW 321°	NW 316°	NW 318°	NW 308°	W 270°	SW 234°	SW 234°	WSW 246°	WSW 249°	WSW 245°	WSW 247°	W 260°	WSW 258°	W 266°	W 278°	WNW 289°	WNW 297°	NW 320°	NW 317°	WNW 297°	WNW 290°

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 (%)	35	36	35	36	36	37	34	32	29	28	27	25	23	22	22	22	22	21	21	21	20	20	20	23

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)	753	753	754	754	755	755	755	755	755	755	755	755	754	754	753	752	753	753	753	753	754	754	754	755

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	0.6	1.8	3.7	6	8.2	9.4	9.9	8.8	6.7	4.3	6	6	6	6	0	0	0	0

← Tue, May 19

Wed, May 20, 2026

Tehran 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 →