🇯🇵 Weather in Jōetsu
Map Overlays:
Hourly Forecast for Jōetsu
09:00
19°
82%
10:00
19°
83%
11:00
19°
80%
12:00
18°
73%
13:00
19°
26%
14:00
20°
19%
15:00
21°
73%
16:00
21°
9%
17:00
20°
11%
18:00
20°
12%
19:00
18°
15%
20:00
19°
12%
21:00
18°
13%
22:00
18°
16%
23:00
18°
14%
00:00
17°
15%
01:00
17°
11%
02:00
17°
10%
03:00
17°
8%
04:00
16°
7%
05:00
16°
7%
06:00
18°
5%
07:00
20°
4%
08:00
21°
3%
14-Day Forecast for Jōetsu
2026-06-06
Patchy rain nearby
21° /
16°
2026-06-07
Patchy rain nearby
23° /
16°
2026-06-08
Moderate rain
20° /
17°
2026-06-09
Patchy rain nearby
20° /
14°
2026-06-10
Sunny
22° /
13°
2026-06-11
Patchy rain nearby
22° /
16°
2026-06-12
Patchy rain nearby
20° /
16°
Additional Forecasts for Jōetsu
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 155.0 μg/m³
O₃ (Ozone) 64.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.6 μg/m³
SO₂ (Sulphur Dioxide) 1.8 μg/m³
PM2.5 (Fine particles) 12.2 μg/m³
PM10 (Coarse particles) 15.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Jōetsu — FAQ
Answers refreshed each request based on current conditions in Jōetsu.
What is the weather like right now in Jōetsu?
Right now in Jōetsu, Japan the temperature is 17.5°C (feels like 11.6°C), with patchy rain nearby. Relative humidity is 86% and wind is 9.7 km/h.
What is today's high and low temperature in Jōetsu?
Today's forecast high in Jōetsu is 20.7°C and the overnight low is 16.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Jōetsu today?
The chance of precipitation in Jōetsu today is 85%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Jōetsu differ from nearby cities?
Even short distances can change temperatures noticeably. Jōetsu's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.