5-day weather forecast Tehran 17-05-2026

Weather forecast Tehran tomorrow 17.05.2026: sunny, temperature from 16 °C to 20 °C.

Precipitation probability 100%. Wind up to 7 m/s (gusts 8.06 m/s). Air humidity 27–40%, atmospheric pressure 751–754 mm Hg, UV index up to 8.7.

Sunrise 05:58
Sunset 20:04

Waxing Crescent0% illuminated
Moonrise 05:52 · Moonset 21:14

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Table

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

Forecast from 16 °C to 20 °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	16	16	16	16	17	18	19	19	20	19	20	20	20	20	20	19	19	19	18	18
Precipitation (mm/hr)	0.05	0.02	0.01	0.04	0.01	0	0	0	0	0.01	0.01	0.02	0.04	0.04	0.07	0.02	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 (%)	77	71	87	84	77	4	4	5	5	77	76	78	81	87	77	72	6	6	5	5	6	6	5	5
Rain chance (%)	100	83	76	63	70	0	0	0	0	82	82	85	66	74	100	81	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)	4.11	4.39	5.19	5.39	5.11	4.89	4.81	5.5	5.81	6.31	6	5.69	6.11	7	5.39	5.19	5.11	4.89	4.19	4.61	4.89	5.89	5.19	4.61
Wind gust (m/s)	4.72	5.06	5.97	6.22	5.86	5.64	5.53	6.33	6.67	7.25	6.89	6.56	7.03	8.06	6.22	5.97	5.86	5.64	4.83	5.28	5.64	6.78	5.97	5.28
Wind direction (°)	WNW 284°	WNW 285°	WNW 284°	WNW 282°	W 280°	WNW 286°	WNW 284°	W 280°	W 273°	W 266°	W 267°	W 271°	W 263°	W 280°	WNW 284°	WNW 293°	WNW 292°	WNW 297°	WNW 302°	WNW 302°	WNW 301°	WNW 300°	NW 312°	NW 307°

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 (%)	38	40	37	35	36	37	35	35	33	32	30	28	27	33	32	30	28	29	30	30	31	32	34	34

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)	751	751	752	752	752	753	753	753	753	754	754	754	753	754	753	753	752	752	752	753	753	754	754	754

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	0.5	1.6	3.3	5.5	7.5	8.7	8.6	7.7	5.6	3.3	1.8	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)	44.8	47.7	53.4	47.6	42.8	40.6	36.8	35.4	35.9	36.6	37.8	32.8	29.4	30	30.8	33.6	30.1	26.7	26.6	26.1	26.5	27.4	30.2	31.8
PM10 (µg/m³)	106.4	107.8	110.1	87.5	79.1	71.7	68.7	64.7	61.4	84.5	105.2	106.6	103.8	108.2	109.4	118	99.9	79.6	73.1	67.7	64.9	63.5	62.8	61.9
Ozone (O₃) (µg/m³)	12	8	7	6	5	4	7	13	21	35	59	88	111	123	129	132	133	131	125	113	97	80	61	42
NO₂ (µg/m³)	105	106.4	104.8	103.3	103.9	104.7	102.9	98.1	90.9	80	62.4	41.2	24.8	17	14	13.2	13.6	16.3	21.7	30.9	42.9	55.2	68.3	81.7
SO₂ (µg/m³)	34.2	36.4	38.4	40.5	42.9	45.3	47.3	49.6	51.5	49.9	42	30.7	21.8	17.5	15.5	14.7	14.7	15.8	17.6	20	23.2	26.8	31.6	36.9
CO (µg/m³)	596.9	827.9	1211.9	1387.9	1108.9	621.9	316.9	426.9	716.9	874.9	726.9	445.9	234.9	181.9	198.9	218.9	215.9	215.9	238.9	312.9	408.9	458.9	412.9	320.9

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

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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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