10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
15°
Feels like 15°
Wind↑ NNE 2 km/h
Humidity 54 %
Evening
Clear sky
14°
Feels like 14°
Wind↑ E 5 km/h
Humidity 60 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
15°
Feels like 15°
Wind↑ N 4 km/h
Humidity 51 %
Evening
Clear sky
14°
Feels like 14°
Wind↑ ENE 7 km/h
Gusts13 km/h
Humidity 68 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
15°
Feels like 15°
Wind↑ NE 4 km/h
Humidity 58 %
Evening
Partly cloudy
14°
Feels like 14°
Wind↑ ESE 7 km/h
Humidity 62 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
16°
Feels like 16°
Wind↑ ENE 4 km/h
Humidity 60 %
Evening
Clear sky
15°
Feels like 15°
Wind↑ E 6 km/h
Humidity 61 %
Kotō forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.2° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Kotō climate: what a normal year looks like
A normal year brings roughly 1,980 mm of rain — more than 88% of the towns of 20,000+ people we compared it with.
The hottest stretch is August, when afternoons average 30 °C; the coldest is January, when nights average 3 °C. Between those two months the average temperature changes by 21 °C.
Typical highs of 30 °C or more are reached in August only, at 30 °C.
From 14 h 18 min of daylight in late June to 9 h 59 min in late December.
Forecast highs for the coming week average 21 °C, 2 °C cooler than a normal October (23 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
9 °C
3 °C
86 mm
Feb
10 °C
4 °C
105 mm
Mar
13 °C
7 °C
143 mm
Apr
18 °C
11 °C
159 mm
May
23 °C
16 °C
178 mm
Jun
25 °C
20 °C
418 mm
Jul
28 °C
23 °C
308 mm
Aug
30 °C
24 °C
145 mm
Sep
27 °C
21 °C
164 mm
Oct
23 °C
15 °C
98 mm
Nov
17 °C
10 °C
94 mm
Dec
11 °C
5 °C
87 mm
Whole year
20 °C
13 °C
1,980 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 32.78° N, 130.75° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Kotō: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.58µg/m³
PM1010µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Kotō
Rain observed over the last two hours by official weather radars around Kotō, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Kotō yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Kotō
Waning gibbous
79 % illuminated · 19.3 days
Rise 15:45 Set 05:56
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Moonrise and moonset in local time (Asia/Tokyo); phase and lit fraction from a synodic calculation.
Look up a past day in Kotō
Curious about the weather in Kotō on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Kotō weather at a glance
This page gathers everything about the weather in Kotō, Kumamoto: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “drizzle”, it is 17 °C (feels like 17 °C) and the wind blows at 5 km/h.
Expected range today: 14 °C to 21 °C and around 11 mm of rain. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Kotō forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
