Live Weather & Forecast
Weather in Onomichi
Hiroshima, Japan · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
59°F / Feels 59°F
Light rain
Onomichi, Hiroshima
🌞 Daytime
Updated: 2026-04-15 18:30
Humidity
98%
Wind
3.6 km/h ENE
Wind Gust
5.4 km/h
Pressure
1010 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
1.56 mm
Cloud Cover
100%
Dew Point
14.9°C
Wind Degree
71°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
280.9 μg/m³
NO₂
30.7 μg/m³
O₃
55 μg/m³
SO₂
11.8 μg/m³
PM 2.5
20.6 μg/m³
PM 10
24.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Onomichi, Hiroshima
12 AM
15°
Fog
1 AM
15°
Mist
2 AM
15°
Light drizzle
3 AM
15°
Light drizzle
4 AM
15°
Fog
5 AM
15°
Light drizzle
6 AM
15°
Light drizzle
7 AM
15°
Light drizzle
8 AM
15°
Light drizzle
9 AM
15°
Light drizzle
10 AM
15°
Light rain
11 AM
15°
Light rain
12 PM
15°
Light rain
1 PM
15°
Light drizzle
2 PM
16°
Light drizzle
3 PM
15°
Light rain
4 PM
15°
Light rain
5 PM
16°
Light rain
6 PM
15°
Light rain
7 PM
15°
Light drizzle
8 PM
15°
Light drizzle
9 PM
15°
Mist
10 PM
15°
Light drizzle
11 PM
14°
Mist
3-Day Forecast
Daily overview for Onomichi, Hiroshima
Today
Moderate rain
16°
/
14°
🌧️ 99% chance of rain
💧 Avg. humidity: 97%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 12.57 mm
☀️ UV Index: 0.2
🌅 Sunrise: 05:37 AM
🌇 Sunset: 06:39 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
20°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 2.2
🌅 Sunrise: 05:36 AM
🌇 Sunset: 06:39 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
18°
/
10°
🌧️ 85% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 0.22 mm
☀️ UV Index: 1.6
🌅 Sunrise: 05:34 AM
🌇 Sunset: 06:40 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Onomichi
Plan your trip to Onomichi, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Onomichi?
Current conditions in Onomichi: Light rain, temperature 15°C, humidity 98%.
What is the best time to visit Onomichi?
The best time to visit Onomichi is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Onomichi?
Onomichi is located at approximately 34.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Onomichi?
The wettest period in Onomichi is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Onomichi?
For visits to Onomichi during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Onomichi in 2026?
View the 2026 public holidays for Onomichi on our Holidays page.
What are the GPS coordinates used for the weather forecast in Onomichi?
The weather forecast for Onomichi uses coordinates 34.4089, 133.2052.