Today
Mon, Jun 22
Thunderstorm
37°29°
- Rain chance
- 53%
- Precip
- 0.4 mm
- Max wind
- 15 km/h
Bihar, India · Kolkata time · 25.56°, 84.66°
Extreme heat today: feels-like temperatures up to 43 °C.
Extreme heat today: feels-like temperatures up to 43 °C.
Derived advisory — not an official warning
Extreme heat tomorrow: feels-like temperatures up to 43 °C.
Extreme heat tomorrow: feels-like temperatures up to 43 °C.
Derived advisory — not an official warning
Extreme heat Wednesday: feels-like temperatures up to 42 °C.
Extreme heat Wednesday: feels-like temperatures up to 42 °C.
Derived advisory — not an official warning
Extreme heat Thursday: feels-like temperatures up to 44 °C.
Extreme heat Thursday: feels-like temperatures up to 44 °C.
Derived advisory — not an official warning
Extreme heat Friday: feels-like temperatures up to 46 °C.
Extreme heat Friday: feels-like temperatures up to 46 °C.
Derived advisory — not an official warning
Extreme heat Saturday: feels-like temperatures up to 46 °C.
Extreme heat Saturday: feels-like temperatures up to 46 °C.
Derived advisory — not an official warning
Extreme heat Sunday: feels-like temperatures up to 43 °C.
Extreme heat Sunday: feels-like temperatures up to 43 °C.
Derived advisory — not an official warning
Unhealthy air today: US AQI at 156.
Unhealthy air today: US AQI at 156.
Derived advisory — not an official warning
Current conditions · 10:00 AM local
35°C
Clear sky
Feels like 41°C
Arrah is currently seeing clear sky, with 35 °C on the thermometer. It feels warmer than it reads, more like 40 °C. Wind is from the W at 11 km/h. Humidity stands at 54% with sea-level pressure near 1003 hPa.
Thunderstorm · 53% chance of rain
Light drizzle · extreme UV
A steady stretch: highs near 38°, lows around 28°, and no day above a 36% rain chance through Sunday.
Today brings thunderstorm with a high of 37 °C and a low of 29 °C. Rain chance peaks at 53% with around 0.4 mm possible. Expect light drizzle tomorrow, between 28 °C and 38 °C. Wednesday looks like clear sky; temperatures run from 28 °C up to 38 °C.
Today
Mon, Jun 22
Thunderstorm
37°29°
Tomorrow
Tue, Jun 23
Light drizzle
38°28°
Wednesday
Wed, Jun 24
Clear sky
38°29°
Arrah starts the period under clear sky, with the mercury at 35 °C and a feels-like of 40 °C. Today's forecast calls for thunderstorm, topping out near 37 °C before falling back to 29 °C overnight. Winds blow mainly from the W around 15 km/h, with gusts up to 26 km/h. Daytime highs hold fairly steady this week, staying within 36 to 38 °C. Rain is in the picture on Sunday, with roughly 3 mm expected in total across the week. Tomorrow brings light drizzle with a high of 38 °C and a 10% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. With the apparent temperature pushing into heat-stress territory, limit strenuous outdoor activity in the afternoon and stay hydrated. Sunrise comes at 05:01 and sunset at 18:45, giving 13.7 hours of daylight. Current humidity sits at 54% with pressure near 1003 hPa. Looking further out, Friday shows thunderstorm with a high around 38 °C, while Sunday ends the week at 36 °C.
156
Unhealthy
US AQI · European AQI 100
Air quality in Arrah is currently unhealthy, with a US AQI of 156 (European AQI 100). The dominant pollutant right now is PM2.5. Everyone should reduce prolonged or heavy outdoor exertion; sensitive groups should stay indoors. Fine particulate matter (PM2.5) measures 41.6 µg/m³.
Soil temperatures today read surface 29.7 °C, 6 cm 31 °C, 18 cm 33.6 °C, 54 cm 31.9 °C. Soil moisture sits at 0-1 cm at 0.24 m³/m³, 3-9 cm at 0.24 m³/m³, 27-81 cm at 0.27 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 41 mm against only 3 mm of expected rain — a 38 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 05:00 on 2026-06-22, with winds at or below 12 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 38 °C (threshold 32 °C). Heat stress is likely for rice with highs reaching 38 °C (threshold 35 °C). Heat stress is likely for sugarcane with highs reaching 38 °C (threshold 38 °C). Projected growing degree days over the next week: wheat 201, rice 163, sugarcane 149.
Weather alerts for Arrah (derived from forecast data, not official warnings): Extreme heat today: feels-like temperatures up to 43 °C. Extreme heat tomorrow: feels-like temperatures up to 43 °C. Extreme heat Wednesday: feels-like temperatures up to 42 °C. Extreme heat Thursday: feels-like temperatures up to 44 °C. Extreme heat Friday: feels-like temperatures up to 46 °C.
| Variable | Value |
|---|---|
| City | Arrah, Bihar, India |
| Coordinates | 25.55629, 84.66335 |
| Elevation | 64 m |
| Timezone | Asia/Kolkata |
| Population | 261,430 |
| Observed at (local) | 10:00 AM |
| Temperature (2 m) | 35°C |
| Apparent temperature | 41°C |
| Relative humidity (2 m) | 52% |
| Dew point (2 m) | 24°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 1% |
| Surface pressure | 996 hPa |
| Sea-level pressure | 1003 hPa |
| Wind speed (10 m) | 11 km/h |
| Wind gusts (10 m) | 25 km/h |
| Wind direction (10 m) | 264° (W) |
| Visibility | 13.6 km |
| UV index | 7.05 |
| Day / night | Day |
| Today max / min | 37°C / 29°C |
| Today feels-like max / min | 43°C / 33°C |
| Today precipitation sum | 0.4 mm |
| Today rain sum | 0.3 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 53% |
| Today max wind / gusts | 15 km/h / 26 km/h |
| Dominant wind direction | 259° (W) |
| Sunrise / sunset | 5:01 AM / 6:45 PM |
| Daylight duration | 13h 44m |
| Sunshine duration | 11h 44m |
| Max UV index | 7.05 |
| Reference evapotranspiration (ET₀) | 6.12 mm |
| Topsoil moisture (0–1 cm) | 0.239 m³/m³ |
| Surface soil temperature | 30°C |
| US AQI | 156 |
| European AQI | 100 |
| PM2.5 | 41.6 µg/m³ |
| PM10 | 69.8 µg/m³ |
| Ozone (O₃) | 114 µg/m³ |
| Nitrogen dioxide (NO₂) | 6.9 µg/m³ |
| Sulphur dioxide (SO₂) | 9.4 µg/m³ |
| Carbon monoxide (CO) | 236 µg/m³ |
| Dust | 50 µg/m³ |
Add live Arrah weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.
<iframe src="https://weathertomorrow.cloud/embed/city/in/bihar/arrah" width="320" height="180" frameborder="0" title="Arrah weather" loading="lazy"></iframe>Rain is unlikely in Arrah tomorrow; the precipitation chance stays around 10%.
Today Arrah sees thunderstorm with a high of 37 °C and a low of 29 °C.
Tomorrow's high in Arrah is forecast at 38 °C with light drizzle.
No, not especially; gusts only reach up to 26 km/h today.
The UV index peaks at 7 today, which is high.
The sun rises at 05:01 and sets at 18:45 local time.
Air quality is poor right now, with a US AQI reading of 156.