🇯🇵 Weather in Kōnan
Map Overlays:
Hourly Forecast for Kōnan
17:00
35°
6%
18:00
33°
17%
19:00
32°
11%
20:00
31°
9%
21:00
30°
8%
22:00
30°
9%
23:00
30°
9%
00:00
29°
11%
01:00
29°
12%
02:00
28°
9%
03:00
28°
10%
04:00
28°
11%
05:00
28°
11%
06:00
28°
9%
07:00
30°
7%
08:00
31°
5%
09:00
33°
3%
10:00
34°
2%
11:00
36°
2%
12:00
37°
1%
13:00
38°
1%
14:00
38°
2%
15:00
38°
3%
16:00
38°
3%
14-Day Forecast for Kōnan
2026-07-20
Partly Cloudy
37° /
26°
2026-07-21
Partly Cloudy
38° /
28°
2026-07-22
Sunny
39° /
28°
2026-07-23
Sunny
39° /
27°
2026-07-24
Sunny
38° /
27°
2026-07-25
Patchy rain nearby
36° /
27°
2026-07-26
Sunny
38° /
27°
Additional Forecasts for Kōnan
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 233.0 μg/m³
O₃ (Ozone) 142.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.3 μg/m³
SO₂ (Sulphur Dioxide) 5.2 μg/m³
PM2.5 (Fine particles) 11.9 μg/m³
PM10 (Coarse particles) 13.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Kōnan — FAQ
Answers refreshed each request based on current conditions in Kōnan.
What is the weather like right now in Kōnan?
Right now in Kōnan, Japan the temperature is 31.4°C (feels like 33.2°C), with patchy rain nearby. Relative humidity is 75% and wind is 11.2 km/h.
What is today's high and low temperature in Kōnan?
Today's forecast high in Kōnan is 36.7°C and the overnight low is 26.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Kōnan today?
The chance of precipitation in Kōnan today is 17%. 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 Kōnan differ from nearby cities?
Even short distances can change temperatures noticeably. Kōnan'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.



