10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Overcast
13°
Feels like 13°
Wind↑ N 20 km/h
Humidity 52 %
Afternoon
Overcast
13°
Feels like 13°
Wind↑ ENE 11 km/h
Humidity 57 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Overcast
13°
Feels like 13°
Wind↑ N 16 km/h
Humidity 65 %
💧 0.1 mm
Afternoon
Overcast
16°
Feels like 16°
Wind↑ ENE 4 km/h
Humidity 47 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Mainly clear
15°
Feels like 15°
Wind↑ NNE 14 km/h
Humidity 74 %
Afternoon
Partly cloudy
18°
Feels like 18°
Wind↑ W 2 km/h
Humidity 53 %
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
15°
Feels like 15°
Wind↑ N 13 km/h
Humidity 74 %
Afternoon
Clear sky
20°
Feels like 20°
Wind↑ NE 11 km/h
Humidity 33 %
Chiba forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +1.7° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Chiba 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.
A normal year brings roughly 1,690 mm of rain — more than 81% of the towns of 20,000+ people we compared it with.
From 14 h 34 min of daylight in late June to 9 h 45 min in late December.
Afternoons climb to 25 °C only from July to September, with a typical peak of 29 °C in August.
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
Jan
8 °C
3 °C
86 mm
Feb
9 °C
4 °C
85 mm
Mar
12 °C
6 °C
140 mm
Apr
17 °C
11 °C
132 mm
May
21 °C
16 °C
146 mm
Jun
24 °C
19 °C
185 mm
Jul
28 °C
23 °C
155 mm
Aug
29 °C
24 °C
123 mm
Sep
26 °C
22 °C
205 mm
Oct
21 °C
16 °C
235 mm
Nov
16 °C
11 °C
119 mm
Dec
11 °C
6 °C
77 mm
Whole year
18 °C
13 °C
1,690 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 35.57° N, 140.05° 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 Chiba: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.510µg/m³
PM1010µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Chiba
Rain observed over the last two hours by official weather radars around Chiba, 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 Chiba yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Chiba
Waning gibbous
79 % illuminated · 19.3 days
Rise 14:57 Set 05:27
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 Chiba
Curious about the weather in Chiba on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Chiba weather at a glance
This page gathers everything about the weather in Chiba, Chiba: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 15 °C (feels like 15 °C) and the wind blows at 9 km/h.
Expected range today: 16 °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.
Use the Chiba 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.
