Siwan Weather Update: What to Expect This Week
Latest forecast trends, temperature swings, and rain chances for Siwan residents planning their week ahead.
Read more →Bihar, India
Siwan Weather Today
Mainly clear
Current Weather in Siwan
⛅
31°
Feels like 35°C
Today's weather in Siwan is 31°C with mostly clear skies. The temperature may range between 27°C and 34°C. Humidity is at 73% and the air quality index reads 70 (Moderate). A few showers are possible in some areas. Tomorrow's forecast shows a high of 33°C and low of 27°C, with a 80% chance of rain. Bihar's Gangetic plain sees hot summers, monsoon floods, and winter fog. Siwan is in Bihar. Check nearby cities below for regional weather updates. Scroll down for hourly updates, the 10-day forecast, Siwan AQI details, rain prediction, and an interactive weather map.
- High
- 34°
- Low
- 27°
- Sunrise
- 5:21 AM
- Sunset
- 6:34 PM
- Wind
- 18 km/h E
- Humidity
- 73%
- Rain Chances
- 15%
- Visibility
- 10 km
Hourly Weather Forecast — Siwan
Siwan Weather Tomorrow
⛈️
Tomorrow's Outlook
Thunderstorm
33°27°
- Rain Chances
- 80%
- Wind
- 19 km/h
- UV Index
- 7.4
Siwan 10 Day Weather Forecast
Siwan weather forecast for the next 7 days — temperature, rain and wind updates.
Today
🌦️Moderate drizzle
34°27°
- Rain
- 73%
- Wind
- 18 km/h
Sun
⛈️Thunderstorm
33°27°
- Rain
- 80%
- Wind
- 19 km/h
Mon
⛈️Thunderstorm
32°26°
- Rain
- 80%
- Wind
- 17 km/h
Tue
⛈️Thunderstorm with slight hail
33°25°
- Rain
- 69%
- Wind
- 13 km/h
Wed
⛈️Thunderstorm
33°27°
- Rain
- 78%
- Wind
- 9 km/h
Thu
⛈️Thunderstorm with slight hail
33°26°
- Rain
- 75%
- Wind
- 8 km/h
Fri
⛈️Thunderstorm with slight hail
32°26°
- Rain
- 86%
- Wind
- 5 km/h
Siwan Rain Forecast
Rain prediction and shower timing for Siwan — updated with the latest forecast.
Today's Rain Chances
73%
Keep an umbrella handy if you're stepping out.
Tomorrow's Rain Forecast
80%
⛈️ Thunderstorm expected
Hours with highest rain chance
12:00 PM: 38%1:00 PM: 54%2:00 PM: 65%3:00 PM: 71%4:00 PM: 73%5:00 PM: 69%
Siwan AQI Today
Live air quality index, PM2.5, PM10 and pollution levels for Siwan. View full AQI report →
Air Quality Index
70
Moderate
Primary pollutant: CO
PM2.5
28
µg/m³
PM10
29
µg/m³
NO₂
7
µg/m³
SO₂
12
µg/m³
Ozone
97
µg/m³
CO
289
µg/m³
Health advice: Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
GoodModeratePoorVery PoorHazardous
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Weather Highlights — Siwan
UV index, humidity, pressure, wind, cloud cover and more for today.
UV Index
6.6
Humidity
73%
Pressure
1003 hPa
Wind
18 km/h
Cloud Cover
41%
Moon Phase
Last Quarter
Visibility
10 km
Dew Point
25°C
Siwan Weather Charts
Temperature forecast, rain prediction and wind trends — weather updates at a glance.
Temperature
Rain Chance
Wind Speed
Siwan Air Pollution Levels
Current pollutant levels in µg/m³. CO shown at one-tenth scale for readability.
AQI · 70
Nearby Weather — Siwan
Check weather and AQI in cities near Siwan.
Weather News
Air Quality Report: Siwan AQI Levels Explained
Understanding current pollution levels, primary pollutants, and health recommendations for outdoor activities.
Read more →Weekend Weather Outlook for Siwan
Will it rain this weekend? Check the 7-day forecast, wind conditions, and UV index before making plans.
Read more →Frequently Asked Questions — Siwan Weather
Common weather questions about Siwan
What is the weather today in Siwan?
Right now in Siwan, it's 31°C with mostly clear skies. Today's high is expected around 34°C and the low around 27°C. Humidity is 73%.
Siwan weather tomorrow — what to expect?
Siwan weather tomorrow: thunderstorms, high 33°C, low 27°C. Rain chance is 80%.
What is the rain forecast for Siwan?
Today's rain chance in Siwan is 73%. Tomorrow shows 80% probability of rain.
Will it rain tomorrow in Siwan?
Tomorrow in Siwan, there's a 80% chance of rain. Expect thunderstorms with a high of 33°C and low of 27°C.
What is the AQI level in Siwan today?
The air quality index in Siwan today is 70, rated as Moderate. The main pollutant is CO. PM2.5 levels are at 28 µg/m³. Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
What is the temperature in Siwan?
The current temperature in Siwan is 31°C, though it feels like 35°C. Today's range is 27°C to 34°C.
Is today a good day for outdoor activities in Siwan?
Yes, it's a decent day to be outdoors in Siwan. The weather is mostly clear skies at 31°C, and air quality is moderate.
What time is sunrise and sunset in Siwan?
Sunrise in Siwan today is at 5:21 AM and sunset at 6:34 PM.
What is the 10-day weather forecast for Siwan?
Over the next 7 days, Siwan will see highs between 25°C and 34°C. Check the 10-day forecast section above for day-by-day details including rain chances and wind.