Semnan

Semnan Province, Iran

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

32°

Dry and Clear

Feels Like: 29°

Min: 21°

Max: 35°

The next few hours will be clear, with today reaching 35°C and dropping to 20°C. The coming days will be mostly cloudy

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

28° 32° 33° 34° 35° 35° 34° 34° 33° 31° 30° 29° 27° 26° 25° 24° 23° 22° 21° 20° 20° 20° 20° 22°
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
Today
Tomorrow

Daylight Hours

05:52

Sunrise

17:42

Sunset

11 hours 49 minutes of sunlight today

Moon

Waxing Gibbous

17:02

Moonrise

04:12

Moonset

Daily Forecast

Today

21°
35°

Saturday

20°
31°

Sunday

19°
30°

Monday

18°
28°

Tuesday

19°
29°

Wednesday

19°
31°

Thursday

18°
27°

Friday

17°
25°

Saturday

19°
25°

Sunday

15°
29°

Air Quality Data Available

Upgrade to access real-time air quality data for Semnan.

UV Index

Wear sunscreen
4 Moderate
Low Extreme

Humidity

12% Very Dry
Low High

Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Semnan.

View stargazing score

Weather in Semnan today, September 25, 2026

Sunshine leads the day in Semnan on September 25, 2026, with a patch of cloud building near 16:00. The broader outlook stays fair despite that temporary thickening. The morning looks comparatively open, with cloud near 4% around 11:00. Early outdoor plans have a better chance of staying dry and bright.

Temperatures climb from an overnight low near 21°C toward a daytime high of about 35°C. The air stays humid, with relative humidity between 10% and 48% and the peak around 23:00. Airflow remains manageable, reaching about 3.9 km/h around 22:00.

Expect a more open afternoon, with limited cloud around 26% by 16:00. Residual damp risk should be lower than earlier. Expect visibility around 16.1 km. The sun rises at 05:52 and sets at 17:42, for a total of 11 hours 49 minutes of sunlight today.

Taken together, settled sunshine in Semnan on September 25, 2026 makes outdoor timing easier, with highs near 35°C.

Frequently asked questions about weather in Semnan

How warm does it get in Semnan?

The warmest month in Semnan is July, with average high temperatures of 37°C. The average temperature during this period is around 31°C.

How cold does it get in Semnan?

The coldest month in Semnan is January, with average low temperatures of -1°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Semnan?

The wettest month in Semnan is February, with an average of 17mm of precipitation.

What is the driest time of year in Semnan?

The driest month in Semnan is July, with an average of 0mm of precipitation.

View full climate insights for Semnan →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)