Semnan weather today
Temperature right now, hour-by-hour forecast, the next 7 days and air quality in Semnan
- Feels like
- 8°
- Humidity
- 56%
- Wind
- 7 km/h
- High / Low
- 20° / 10°
- Sunrise
- 06:15
- Sunset
- 17:04
Local time: 06:00
Semnan air quality
Air quality is acceptable. People unusually sensitive to pollution (for example with asthma) should cut back on long or heavy exertion outdoors.
- PM2.5
- 11 µg/m³
- PM10
- 12 µg/m³
- Dust
- 1 µg/m³
Next 24 hours
Air quality over the next 24 hours
Peak in the next 24 h: AQI 81 · Dust 25 µg/m³
7-day forecast
- TodayOct 29 Overcast 10° 20°
- TomorrowOct 30 Overcast 11° 21°
- SaturdayOct 31 Overcast 13° 23°
- SundayNov 1 Overcast 12° 23°
- MondayNov 2 Overcast 15% 14° 21°
- TuesdayNov 3 Rain 18% 11° 17°
- WednesdayNov 4 Mostly clear 9° 19°
Most polluted cities in Iran right now
Ranked by current AQI; data is from the CAMS model, not ground stations
Other cities — Provincial capitals
Border towns and other cities
Iranians abroad — key cities
FAQ
What is the weather in Semnan today?
Right now in Semnan it is Overcast at 11° (feels like 8°). Today's high is 20° and the low is 10°.
What is the weather in Semnan tomorrow?
Tomorrow in Semnan: Overcast, high 21° and low 11°, with a 5% chance of rain.
How polluted is the air in Semnan today?
The US AQI in Semnan is 52 right now (Moderate). PM2.5 is 11 and PM10 is 12 µg/m³. Source: Open-Meteo / Copernicus CAMS.
Where does the data on this page come from?
Temperature and forecasts come from Open-Meteo; air quality and dust come from the Copernicus CAMS model via Open-Meteo. Data refreshes every 30 minutes. These are model values and can differ from ground-station measurements.
AQI scale (US EPA): 0–50 Good · 51–100 Moderate · 101–150 Unhealthy for sensitive groups · 151–200 Unhealthy · 201–300 Very unhealthy · above 300 Hazardous.
Source: Open-Meteo (weather models) and Copernicus CAMS via Open-Meteo (air quality). Air-quality and dust values are model output on a grid of about 11 km and can differ from a city's ground stations. Open-Meteo.com (CC BY 4.0) · The dust thresholds (100 and 300 µg/m³) are Kalameh's own bands based on the CAMS model concentration.