10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Partly cloudy
13°
Feels like 13°
Wind↑ N 31 km/h
Humidity 51 %
Afternoon
Mainly clear
14°
Feels like 14°
Wind↑ E 14 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.
Night
Overcast
14°
Feels like 14°
Wind↑ N 21 km/h
Humidity 57 %
Afternoon
Clear sky
16°
Feels like 16°
Wind↑ E 7 km/h
Humidity 44 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Partly cloudy
16°
Feels like 16°
Wind↑ N 18 km/h
Humidity 56 %
Afternoon
Partly cloudy
18°
Feels like 18°
Wind↑ ESE 4 km/h
Humidity 48 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
16°
Feels like 16°
Wind↑ N 18 km/h
Humidity 57 %
Afternoon
Clear sky
19°
Feels like 19°
Wind↑ ENE 8 km/h
Humidity 37 %
Yokohama forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Yokohama climate: what a normal year looks like
The hottest stretch is August, when afternoons average 29 °C; the coldest is January, when nights average 3 °C. Between those two months the average temperature changes by 21 °C.
Swimmers find the warmest sea in August (26 °C) and the coolest in February (15 °C).
A normal year brings roughly 1,570 mm of rain — more than 78% of the towns of 20,000+ people we compared it with.
From 14 h 33 min of daylight in late June to 9 h 45 min in late December.
Forecast highs for the coming week average 19 °C, 2 °C cooler than a normal October (21 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Sea
Jan
9 °C
3 °C
77 mm
16 °C
Feb
10 °C
4 °C
79 mm
15 °C
Mar
12 °C
6 °C
131 mm
16 °C
Apr
17 °C
11 °C
123 mm
16 °C
May
21 °C
16 °C
136 mm
19 °C
Jun
24 °C
20 °C
175 mm
21 °C
Jul
27 °C
23 °C
155 mm
24 °C
Aug
29 °C
25 °C
119 mm
26 °C
Sep
26 °C
22 °C
193 mm
25 °C
Oct
21 °C
16 °C
211 mm
23 °C
Nov
16 °C
11 °C
100 mm
21 °C
Dec
12 °C
6 °C
67 mm
19 °C
Whole year
19 °C
13 °C
1,570 mm
20 °C
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 35.43° N, 139.65° 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 Yokohama: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.516µg/m³
PM1016µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Yokohama
Rain observed over the last two hours by official weather radars around Yokohama, 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 Yokohama yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Yokohama
Waning gibbous
79 % illuminated · 19.3 days
Rise 14:60 Set 05:28
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.
Sea and tides near Yokohama
Tide station used: Honmoku · 2 km away
🌊 Sea surface
22.2 °C
satellite, 30/10
Sea state
Calm
waves 0.1 m
Period
13 s
Swell
0.1 m
ThuThu 29/10
Low tide12:431.4 m
High tide17:552.1 m
TodayFri 30/10
Low tide01:030.3 m
High tide08:202.0 m
Low tide13:231.5 m
High tide18:312.1 m
TomorrowSat 31/10
Low tide01:480.4 m
High tide09:271.8 m
Low tide14:111.5 m
High tide19:142.0 m
SunSun 01/11
Low tide02:420.6 m
High tide11:061.8 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest. · more tide detail on TidesAtlas
Look up a past day in Yokohama
Curious about the weather in Yokohama on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Yokohama weather at a glance
This page gathers everything about the weather in Yokohama, Kanagawa: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “overcast”, it is 13 °C (feels like 13 °C) and the wind blows at 5 km/h.
Expected range today: 15 °C to 22 °C and a dry sky. 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, plus the tide times for Honmoku.
Use the Yokohama 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.
