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Weather in Semnan, Iran 🇮🇷

Weather Forecast in Semnan

Current Weather in Semnan

Sunny
37°C
Feels like 30°C. Sunny.
🌬️ 17 km/h ESE
💧 12% Humidity
🧭 1004 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 2.2
🌡️ Dew Point: 3°C
🌅 Sunrise: 04:47 AM
🌇 Sunset: 07:15 PM
Map Overlays:

In Semnan right now it is 37°C and sunny, feeling like 30°C. Humidity is 12% with winds around 17 km/h, and the UV index is 2 (low). Over the next few days, temperatures in Semnan range from about 24°C to 38°C.

Hourly Forecast for Semnan

17:00
Sunny
36°
0%
18:00
Sunny
36°
0%
19:00
Sunny
33°
0%
20:00
Clear
32°
0%
21:00
Clear
30°
1%
22:00
Clear
29°
1%
23:00
Clear
29°
1%
00:00
Clear
28°
1%
01:00
Clear
27°
1%
02:00
Clear
26°
1%
03:00
Clear
25°
1%
04:00
Clear
24°
1%
05:00
Clear
24°
0%
06:00
Sunny
27°
0%
07:00
Sunny
29°
0%
08:00
Sunny
30°
0%
09:00
Sunny
31°
0%
10:00
Sunny
32°
0%
11:00
Sunny
33°
0%
12:00
Sunny
35°
0%
13:00
Sunny
36°
0%
14:00
Sunny
36°
0%
15:00
Sunny
36°
0%
16:00
Sunny
36°
0%

14-Day Forecast for Semnan

Tue, Jul 07
Sunny Sunny
37° / 24°
Wed, Jul 08
Sunny Sunny
36° / 24°
Thu, Jul 09
Sunny Sunny
38° / 24°
Fri, Jul 10
Sunny Sunny
38° / 24°
Sat, Jul 11
Sunny Sunny
39° / 25°
Sun, Jul 12
Sunny Sunny
39° / 25°
Mon, Jul 13
Sunny Sunny
38° / 25°
Tue, Jul 14
Sunny Sunny
39° / 26°
Wed, Jul 15
Sunny Sunny
39° / 26°
Thu, Jul 16
Sunny Sunny
41° / 28°
Fri, Jul 17
Sunny Sunny
41° / 28°
Sat, Jul 18
Sunny Sunny
41° / 28°
Sun, Jul 19
Sunny Sunny
41° / 28°
Mon, Jul 20
Partly Cloudy Partly Cloudy
40° / 28°

Additional Forecasts for Semnan

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 128.0 μg/m³
O₃ (Ozone) 118.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.9 μg/m³
SO₂ (Sulphur Dioxide) 1.0 μg/m³
PM2.5 (Fine particles) 14.5 μg/m³
PM10 (Coarse particles) 48.2 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Iran

Browse Weather in Iran by cities in alphabetical order:

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Weather in Iran ›

Best Time to Be Outside in Semnan Tomorrow

There is no good daylight window left in Semnan today. Tomorrow, the most comfortable window looks like 06:00 to 08:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Semnan

What is the temperature in Semnan right now?

The current temperature in Semnan is 37°C (98°F), sunny (feels like 30°C).

What's the weather like in Semnan right now?

Conditions in Semnan right now: Sunny, humidity 12%, wind 17 km/h ESE.

What is today's forecast for Semnan?

Today in Semnan: high 37°C, low 24°C, sunny. Chance of rain: 1%.

What is the 7-day weather forecast for Semnan?

Daily highs and lows for Semnan:

  • 2026-07-07: 37°C / 24°C
  • 2026-07-08: 36°C / 24°C
  • 2026-07-09: 38°C / 24°C
  • 2026-07-10: 38°C / 24°C
  • 2026-07-11: 39°C / 25°C
  • 2026-07-12: 39°C / 25°C
  • 2026-07-13: 38°C / 25°C
Is it going to rain in Semnan today?

There is a 1% chance of rain in Semnan today.

What is the wind speed in Semnan right now?

Wind in Semnan is currently 17 km/h (11 mph) from the ESE.

What is the UV index in Semnan right now?

The UV index in Semnan is currently 2.2 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇮🇷 Iran: Tehran · Mashhad · Isfahan · Karaj · Tabriz · Shiraz · Qom · Ahvaz · Pasragad Branch · Kahrīz · Kermanshah · Rasht · Kerman · Orūmīyeh · Zahedan · Hamadān · Āzādshahr · Arāk · Yazd · Eslamshahr · Ardabīl · Abadan · Zanjan · Bandar Abbas · Sanandaj · Qazvin · Khorramshahr · Khorramabad · Khomeynī Shahr · Sari · Borūjerd · Qarchak · Gorgān · Golestān · Sabzevar · Najafābād · Neyshābūr · Naz̧arābād · Būkān · Sirjan · Bābol · Āmol · Bīrjand · Bojnūrd · Varāmīn · Malāyer · Sāveh · Khowy · Bushehr · Mahābād