5-day weather forecast Tehran 21-07-2026

Weather forecast Tehran Tuesday, July 21 21.07.2026: sunny, temperature from 28 °C to 34 °C.

Precipitation probability 3%. Wind up to 3.61 m/s (gusts 4.14 m/s). Air humidity 19–33%, atmospheric pressure 753–756 mm Hg, UV index up to 11.5.

Sunrise 05:04
Sunset 19:17

First Quarter53% illuminated
Moonrise 12:34 · Moonset 23:16

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Table

← Mon, Jul 20

Tue, Jul 21, 2026

Wed, Jul 22 →

Forecast from 28 °C to 34 °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)	31	31	30	29	29	28	28	29	29	30	31	31	32	33	33	34	34	34	34	34	34	33	33	32
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 (%)	44	46	42	29	29	23	23	21	17	14	11	9	8	5	5	5	5	3	3	5	7	11	14	24
Rain chance (%)	3	3	3	2	2	2	2	1	1	1	1	1	1	1	1	1	1	0	0	1	1	1	1	1

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)	1.89	1.39	1.89	1.81	1.11	1.19	1.11	1.69	2.81	2.81	3	3.61	3.5	3.11	2.89	2.5	1.81	1.61	1.81	2.31	2.31	1.31	1.19	1.19
Wind gust (m/s)	2.19	1.61	2.19	2.08	1.28	1.39	1.28	1.97	3.22	3.22	3.44	4.14	4.03	3.58	3.33	2.89	2.08	1.83	2.08	2.64	2.64	1.5	1.39	1.39
Wind direction (°)	NW 311°	NW 319°	NW 306°	NW 314°	WSW 250°	SW 232°	W 270°	SW 234°	SW 224°	SW 220°	SSW 212°	SSW 193°	S 187°	S 179°	S 174°	S 175°	S 170°	S 175°	SSW 197°	SW 214°	WSW 254°	W 279°	W 272°	W 276°

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 (%)	26	27	29	29	30	33	33	31	30	30	28	26	25	23	22	20	19	19	19	19	21	22	23	24

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)	754	754	754	754	755	755	756	756	756	756	756	756	755	755	754	754	753	753	753	753	754	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	0.7	2	4.3	7.1	9.7	11.3	11.5	10.2	7.7	4.8	2.3	0.8	0.2	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)	27.6	23.4	19.6	16.6	15.1	15.1	17.9	22.8	27.3	27.9	29	33.5	36.9	37.6	34.1	29	26.1	25.3	24.9	24.3	25.3	27.5	32.1	29.2
PM10 (µg/m³)	36.8	33.2	30.4	27.6	25.6	25.2	28.9	37.1	47.8	55.1	64.7	79.9	87.8	92.2	90.8	85.9	81.3	77.5	72.4	66.4	59.8	59.4	61.5	54.5
Ozone (O₃) (µg/m³)	9	8	8	9	10	12	18	28	42	60	86	117	136	137	127	114	99	82	64	45	26	12	6	5
NO₂ (µg/m³)	68.9	63.9	58.9	54	48.5	43.1	40.4	43.3	48.9	50.5	44.1	33.7	25.2	20	16.7	16.2	19.1	24.8	32.7	44.6	58.8	69.4	73.5	74
SO₂ (µg/m³)	38.3	36.7	35.1	34.6	36.1	38.7	41.4	45.1	48.9	49.2	43.4	34.2	26.1	20.3	15.6	12.4	10.9	10.9	12.7	17.2	23.6	29.5	34.2	38.5
CO (µg/m³)	460	366	260	208	255	356	436	468	479	474	447	404	365	331	302	293	317	362	408	447	488	534	611	693

← Mon, Jul 20

Tue, Jul 21, 2026

Wed, Jul 22 →

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.

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