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
11°
Feels like 11°
Wind↑ N 20 km/h
Gusts26 km/h
Humidity 42 %
Afternoon
Clear sky
15°
Feels like 15°
Wind↑ E 7 km/h
Humidity 31 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
12°
Feels like 12°
Wind↑ N 13 km/h
Humidity 48 %
Afternoon
Clear sky
18°
Feels like 18°
Wind↑ SE 5 km/h
Humidity 33 %
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
13°
Feels like 13°
Wind↑ NNW 11 km/h
Humidity 46 %
Afternoon
Partly cloudy
19°
Feels like 19°
Wind↑ ENE 3 km/h
Humidity 39 %
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
14°
Feels like 14°
Wind↑ NNW 8 km/h
Gusts14 km/h
Humidity 48 %
Afternoon
Clear sky
20°
Feels like 20°
Wind↑ NE 10 km/h
Humidity 26 %
Tokorozawa 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)
Tokorozawa climate: what a normal year looks like
The hottest stretch is August, when afternoons average 30 °C; the coldest is January, when nights average 0 °C. Between those two months the average temperature changes by 23 °C.
Freezing nights are typical in January only (0 °C on average).
A normal year brings roughly 1,650 mm of rain — more than 81% of the towns of 20,000+ people we compared it with.
From 14 h 35 min of daylight in late June to 9 h 43 min in late December.
Forecast highs for the coming week average 18 °C, 3 °C cooler than a normal October (21 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
8 °C
0 °C
71 mm
Feb
9 °C
1 °C
72 mm
Mar
12 °C
4 °C
119 mm
Apr
18 °C
9 °C
127 mm
May
23 °C
15 °C
146 mm
Jun
25 °C
19 °C
188 mm
Jul
29 °C
23 °C
191 mm
Aug
31 °C
24 °C
156 mm
Sep
26 °C
20 °C
216 mm
Oct
21 °C
14 °C
216 mm
Nov
16 °C
8 °C
91 mm
Dec
11 °C
2 °C
62 mm
Whole year
19 °C
12 °C
1,650 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 35.80° N, 139.47° 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 Tokorozawa: 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 Tokorozawa
Rain observed over the last two hours by official weather radars around Tokorozawa, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Tokorozawa yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Tokorozawa
Waning gibbous
79 % illuminated · 19.3 days
Rise 14:59 Set 05:30
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 Tokorozawa
Curious about the weather in Tokorozawa on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Tokorozawa weather at a glance
This page gathers everything about the weather in Tokorozawa, Saitama: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 12 °C (feels like 12 °C) and the wind blows at 8 km/h.
Expected range today: 12 °C to 20 °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.
Use the Tokorozawa 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.
