🇯🇵 Weather in Ōtsu
Map Overlays:
Hourly Forecast for Ōtsu
22:00
28°
3%
23:00
27°
14%
00:00
27°
4%
01:00
26°
14%
02:00
26°
16%
03:00
26°
17%
04:00
25°
8%
05:00
25°
8%
06:00
25°
18%
07:00
26°
17%
08:00
28°
5%
09:00
30°
14%
10:00
31°
12%
11:00
33°
7%
12:00
34°
10%
13:00
34°
6%
14:00
33°
11%
15:00
31°
13%
16:00
31°
6%
17:00
31°
12%
18:00
29°
15%
19:00
28°
16%
20:00
28°
18%
21:00
28°
33%
14-Day Forecast for Ōtsu
2026-08-25
Sunny
35° /
25°
2026-08-26
Overcast
34° /
25°
2026-08-27
Light rain shower
30° /
22°
2026-08-28
Light rain shower
28° /
22°
2026-08-29
Light rain shower
27° /
23°
2026-08-30
Patchy rain nearby
32° /
23°
2026-08-31
Patchy rain nearby
32° /
24°
Additional Forecasts for Ōtsu
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 187.0 μg/m³
O₃ (Ozone) 96.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.5 μg/m³
SO₂ (Sulphur Dioxide) 3.8 μg/m³
PM2.5 (Fine particles) 14.2 μg/m³
PM10 (Coarse particles) 16.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Ōtsu — FAQ
Answers refreshed each request based on current conditions in Ōtsu.
What is the weather like right now in Ōtsu?
Right now in Ōtsu, Japan the temperature is 28.7°C (feels like 29.6°C), with cloudy. Relative humidity is 52% and wind is 6.8 km/h.
What is today's high and low temperature in Ōtsu?
Today's forecast high in Ōtsu is 35.1°C and the overnight low is 25.3°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Ōtsu today?
The chance of precipitation in Ōtsu today is 4%. 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 Ōtsu differ from nearby cities?
Even short distances can change temperatures noticeably. Ōtsu'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.