Live Weather & Forecast
Weather in Tosu
Saga, Japan · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Partly cloudy
Tosu, Saga
🌞 Daytime
Updated: 2026-04-16 06:30
Humidity
88%
Wind
13.7 km/h NNE
Wind Gust
22.7 km/h
Pressure
1016 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
11.1°C
Wind Degree
16°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
328.9 μg/m³
NO₂
8.5 μg/m³
O₃
110 μg/m³
SO₂
3.8 μg/m³
PM 2.5
16.5 μg/m³
PM 10
20.7 μg/m³
Weather Alerts 1
Met
· Moderate · Future
Wind Wave Advisory
(1) Wind Wave Advisory Announcement : 2026-04-16T02:00:00+09:00 Wind of 14m/s or more sustains for over 3 hours at sea or significant wave height is expected to be over 3m.
Today's Hourly Forecast
24-hour breakdown for Tosu, Saga
12 AM
14°
Partly Cloudy
1 AM
14°
Patchy rain nearby
2 AM
14°
Patchy rain nearby
3 AM
14°
Patchy rain nearby
4 AM
14°
Patchy rain nearby
5 AM
14°
Partly Cloudy
6 AM
15°
Partly cloudy
7 AM
15°
Cloudy
8 AM
16°
Patchy rain nearby
9 AM
17°
Sunny
10 AM
19°
Sunny
11 AM
20°
Sunny
12 PM
21°
Sunny
1 PM
22°
Sunny
2 PM
22°
Sunny
3 PM
21°
Sunny
4 PM
20°
Sunny
5 PM
19°
Sunny
6 PM
17°
Sunny
7 PM
14°
Clear
8 PM
13°
Clear
9 PM
12°
Clear
10 PM
12°
Clear
11 PM
11°
Clear
3-Day Forecast
Daily overview for Tosu, Saga
Today
Sunny
22°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0.06 mm
☀️ UV Index: 2.3
🌅 Sunrise: 05:47 AM
🌇 Sunset: 06:49 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
22°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 7.2 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.7
🌅 Sunrise: 05:46 AM
🌇 Sunset: 06:50 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
22°
/
15°
🌧️ 88% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 2.68 mm
☀️ UV Index: 1.3
🌅 Sunrise: 05:45 AM
🌇 Sunset: 06:50 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Tosu
Plan your trip to Tosu, 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 Tosu?
Current conditions in Tosu: Partly cloudy, temperature 15°C, humidity 88%.
What is the best time to visit Tosu?
The best time to visit Tosu is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Tosu?
Tosu is located at approximately 33.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Tosu?
The wettest period in Tosu is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Tosu?
For visits to Tosu during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Tosu in 2026?
View the 2026 public holidays for Tosu on our Holidays page.
What are the GPS coordinates used for the weather forecast in Tosu?
The weather forecast for Tosu uses coordinates 33.3779, 130.5062.