10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Drizzle
15°
Feels like 15°
Wind↑ WNW 10 km/h
Humidity 81 %
💧 0.2 mm
Evening
Mainly clear
16°
Feels like 16°
Wind↑ NNW 10 km/h
Gusts16 km/h
Humidity 74 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain showers
16°
Feels like 16°
Wind↑ NE 15 km/h
Gusts23 km/h
Humidity 84 %
💧 0.9 mm
Evening
Mainly clear
16°
Feels like 16°
Wind↑ ENE 12 km/h
Gusts23 km/h
Humidity 74 %
💧 0.1 mm
12-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↑ ENE 12 km/h
Gusts21 km/h
Humidity 71 %
Evening
Partly cloudy
16°
Feels like 16°
Wind↑ E 11 km/h
Gusts21 km/h
Humidity 71 %
13-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 75 %
Evening
Mainly clear
15°
Feels like 15°
Wind↑ E 12 km/h
Gusts21 km/h
Humidity 71 %
Changshu forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.6° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Changshu climate: what a normal year looks like
The hottest stretch is August, when afternoons average 32 °C; the coldest is January, when nights average 1 °C. Between those two months the average temperature changes by 25 °C.
Afternoons reach 30 °C or more in July and August; the typical peak is 32 °C in August.
From 14 h 13 min of daylight in late June to 10 h 05 min in late December.
Forecast highs for the coming week average 21 °C, 1 °C cooler than a normal October (22 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
7 °C
1 °C
64 mm
Feb
10 °C
3 °C
62 mm
Mar
14 °C
7 °C
88 mm
Apr
20 °C
12 °C
100 mm
May
25 °C
18 °C
125 mm
Jun
28 °C
21 °C
256 mm
Jul
32 °C
26 °C
191 mm
Aug
32 °C
26 °C
175 mm
Sep
28 °C
21 °C
95 mm
Oct
22 °C
15 °C
54 mm
Nov
18 °C
10 °C
57 mm
Dec
11 °C
3 °C
42 mm
Whole year
21 °C
14 °C
1,310 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 31.65° N, 120.74° 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 Changshu: pollution and pollen
4/6
Poor
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.537µg/m³
PM1044µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Changshu
Rain observed over the last two hours by official weather radars around Changshu, 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 Changshu yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Changshu
Waning gibbous
79 % illuminated · 19.3 days
Rise 17:30 Set 07:34
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/Shanghai); phase and lit fraction from a synodic calculation.
Look up a past day in Changshu
Curious about the weather in Changshu on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Changshu weather at a glance
This page gathers everything about the weather in Changshu, Jiangsu: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 14 °C (feels like 14 °C) and the wind blows at 6 km/h.
Expected range today: 12 °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 Changshu 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.
