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Weather in Tehran - 14-day forecast

Detailed weather forecast for Tehran, Iran: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Tehran
today☀️ 31°💧 0.2 mm
Sun☀️ 31°💧 0.3 mm
Mon☀️ 31°night 31°
Tue🌧️ 31°💧 0.1 mm
Wed🌧️ 32°💧 0.9 mm
Thu🌧️ 32°💧 0.3 mm
Fri🌧️ 31°💧 1.1 mm
Sat🌧️ 30°💧 0.2 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Saturday 5 Sept in Tehran, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 32°C to 36°C, so it will be cooler than usual. It is cooler than 89% of similar days.

31°Ccooler than usual
usually 32°C–36°C
cooler than 89% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
31°Ccooler than usual
usually 32°C–36°C
cooler than 87% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
31°Ccooler than usual
usually 32°C–36°C
cooler than 83% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
31°Ccooler than usual
usually 32°C–35°C
cooler than 82% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally strong
32°Ccooler than usual
usually 31°C–35°C
cooler than 76% of similar days
night: exceptionally warm rain: exceptionally wet wind: stronger than usual
32°Cnear normal
usually 31°C–35°C
night: exceptionally warm rain: more rain than usual wind: stronger than usual
31°Ccooler than usual
usually 31°C–35°C
cooler than 73% of similar days
night: exceptionally warm rain: exceptionally wet wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
25°33°40° 1981: 31°C1982: 33°C1983: 33°C1984: 29°C1985: 33°C1986: 31°C1987: 31°C1988: 35°C1989: 35°C1990: 36°C1991: 34°C1992: 29°C1993: 34°C1994: 29°C1995: 35°C1996: 36°C1997: 30°C1998: 32°C1999: 34°C2000: 35°C2001: 34°C2002: 35°C2003: 34°C2004: 36°C2005: 33°C2006: 34°C2007: 34°C2008: 33°C2009: 31°C2010: 34°C2011: 33°C2012: 32°C2013: 35°C2014: 35°C2015: 34°C2016: 34°C2017: 36°C2018: 36°C2019: 32°C2020: 34°C2021: 33°C2022: 35°C2023: 36°C2024: 35°C2025: 36°C 2026 forecast: 31°C current forecast 31°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 33°C by day. The coolest year was 1994 (29°C) and the warmest was 2023 (36°C). The current forecast averages 31°C - lower than in 82% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Tehran

Tehran - 14-day weather forecast infographic

Tehran 30 & 45-day weather - long-range outlook

Next 16 days · forecast
30°
around 30° at night · days with rain: 1
Weeks 3-4 · avg for September
32°
around 21° at night · rain chance 5%
Weeks 5-7 · avg for October
24°
around 14° at night · rain chance 14%
The 30 & 45-day outlook for Tehran: the next 16 days are a numerical forecast updated daily - on average 30° by day and 30° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 24° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Tehran

Saturday5 September 2026
☀️31°clear sky
sunrise 05:39 · sunset 18:27 · night 27° · evening 32° · rain 0.15 mm · humidity 22% · wind 3 m/s · clouds 8%
Sunday6 September 2026
☀️31°clear sky
sunrise 05:40 · sunset 18:25 · night 31° · evening 33° · rain 0.33 mm · humidity 17% · wind 3 m/s · clouds 1%
Monday7 September 2026
☀️31°clear sky
sunrise 05:40 · sunset 18:24 · night 31° · evening 34° · humidity 17% · wind 6 m/s · clouds 1%
Tuesday8 September 2026
🌧️31°light rain
sunrise 05:41 · sunset 18:23 · night 28° · evening 29° · rain 0.11 mm · humidity 20% · wind 8 m/s · clouds 44%
Wednesday9 September 2026
🌧️32°light rain
sunrise 05:42 · sunset 18:21 · night 32° · evening 33° · rain 0.94 mm · humidity 20% · wind 6 m/s · clouds 2%
Thursday10 September 2026
🌧️32°light rain
sunrise 05:43 · sunset 18:20 · night 28° · evening 31° · rain 0.27 mm · humidity 12% · wind 7 m/s · clouds 1%
Friday11 September 2026
🌧️31°light rain
sunrise 05:43 · sunset 18:18 · night 31° · evening 32° · rain 1.11 mm · humidity 20% · wind 4 m/s · clouds 42%
Saturday12 September 2026
🌧️30°light rain
sunrise 05:44 · sunset 18:17 · night 31° · evening 31° · rain 0.15 mm · humidity 25% · wind 3 m/s · clouds 2%
Sunday13 September 2026
☀️30°clear sky
sunrise 05:45 · sunset 18:15 · night 31° · evening 31° · humidity 27% · wind 4 m/s · clouds 3%
Monday14 September 2026
☀️30°clear sky
sunrise 05:46 · sunset 18:14 · night 31° · evening 32° · humidity 26% · wind 4 m/s
Tuesday15 September 2026
☀️28°clear sky
sunrise 05:46 · sunset 18:12 · night 31° · evening 32° · humidity 26% · wind 2 m/s
Wednesday16 September 2026
☀️29°clear sky
sunrise 05:47 · sunset 18:11 · night 32° · evening 33° · humidity 20% · wind 3 m/s · clouds 26%
Thursday17 September 2026
☀️28°clear sky
sunrise 05:48 · sunset 18:09 · night 30° · evening 31° · humidity 22% · wind 3 m/s · clouds 13%
Friday18 September 2026
☀️27°clear sky
sunrise 05:49 · sunset 18:08 · night 31° · evening 32° · humidity 20% · wind 3 m/s · clouds 2%
Saturday19 September 2026
☀️29°clear sky
sunrise 05:49 · sunset 18:06 · night 31° · evening 33° · humidity 20% · wind 3 m/s
Sunday20 September 2026
☀️27°clear sky
sunrise 05:50 · sunset 18:05 · night 28° · evening 30° · humidity 27% · wind 4 m/s

UV index in Tehran - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTTehran03681111+7.5UV HIGHtoday, daily maxSPF 30-50, a hat and sunglasses are a must. Betterstay in shade between 11:00 and 15:00.Unprotected fair skin may burn in about 25 min8Sat5.098Sun6.097Mon7.097Tue8.097Wed9.097Thu10.097Fri11.097Sat12.097Sun13.097Mon14.097Tue15.097Wed16.097Thu17.097Fri18.097Sat19.097Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Tehran is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Tehran weather through the year

Tehran - annual climate

Warmest, driest months on average: March, April, May, September.

Nearby and related places

KarajQomRashtEsfahanLnkranAhvazTabrizShiraz

FAQ - Tehran weather

What is the weather like in Tehran today?
Today it is about 31° during the day and 27° at night, clear sky.
How far ahead can I check the forecast for Tehran?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.