Live Weather & Forecast
Weather in Isesaki
Gumma, Japan · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
71°F / Feels 71°F
Partly cloudy
Isesaki, Gumma
🌞 Daytime
Updated: 2026-04-15 12:30
Humidity
49%
Wind
11.9 km/h SE
Wind Gust
13.8 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
7.8
(High)
Precipitation
0.01 mm
Cloud Cover
75%
Dew Point
8.8°C
Wind Degree
125°
Air Quality Index
US EPA: Moderate
UK DEFRA: Moderate (4)
CO
270.9 μg/m³
NO₂
13.2 μg/m³
O₃
61 μg/m³
SO₂
6.6 μg/m³
PM 2.5
37.9 μg/m³
PM 10
45.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Isesaki, Gumma
12 AM
17°
Patchy rain nearby
1 AM
17°
Patchy rain nearby
2 AM
16°
Patchy rain nearby
3 AM
16°
Patchy rain nearby
4 AM
16°
Patchy rain nearby
5 AM
16°
Patchy rain nearby
6 AM
16°
Patchy rain nearby
7 AM
17°
Patchy rain nearby
8 AM
18°
Patchy rain nearby
9 AM
19°
Patchy rain nearby
10 AM
20°
Patchy rain nearby
11 AM
21°
Patchy rain nearby
12 PM
21°
Partly cloudy
1 PM
23°
Patchy rain nearby
2 PM
20°
Light rain shower
3 PM
19°
Light drizzle
4 PM
18°
Light drizzle
5 PM
18°
Light drizzle
6 PM
17°
Light drizzle
7 PM
16°
Light drizzle
8 PM
15°
Light rain
9 PM
15°
Light drizzle
10 PM
15°
Light drizzle
11 PM
15°
Patchy rain nearby
3-Day Forecast
Daily overview for Isesaki, Gumma
Today
Patchy rain nearby
23°
/
15°
🌧️ 94% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 4.52 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:11 AM
🌇 Sunset: 06:17 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
22°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:17 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
20°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:08 AM
🌇 Sunset: 06:18 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Isesaki
Plan your trip to Isesaki, 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 Isesaki?
Current conditions in Isesaki: Partly cloudy, temperature 21°C, humidity 49%.
What is the best time to visit Isesaki?
The best time to visit Isesaki is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Isesaki?
Isesaki is located at approximately 36.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Isesaki?
The wettest period in Isesaki is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Isesaki?
For visits to Isesaki during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Isesaki in 2026?
View the 2026 public holidays for Isesaki on our Holidays page.
What are the GPS coordinates used for the weather forecast in Isesaki?
The weather forecast for Isesaki uses coordinates 36.3112, 139.1968.