10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Mainly clear
20°
Feels like 20°
Wind↑ NE 6 km/h
Humidity 83 %
Afternoon
Overcast
27°
Feels like 32°
Wind↑ ENE 10 km/h
Humidity 53 %
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
21°
Feels like 27°
Wind↑ ENE 3 km/h
Humidity 86 %
Afternoon
Mainly clear
28°
Feels like 34°
Wind↑ E 10 km/h
Humidity 49 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
21°
Feels like 28°
Wind↑ ENE 3 km/h
Humidity 88 %
Afternoon
Partly cloudy
29°
Feels like 35°
Wind↑ ENE 8 km/h
Humidity 51 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Mainly clear
21°
Feels like 28°
Wind↑ ENE 2 km/h
Humidity 86 %
Afternoon
Overcast
29°
Feels like 35°
Wind↑ ESE 9 km/h
Humidity 51 %
Changsha forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +4.0° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Changsha climate: what a normal year looks like
Afternoons reach 30 °C or more from June to September; the typical peak is 32 °C in July.
A normal year brings roughly 1,750 mm of rain — more than 83% of the towns of 20,000+ people we compared it with.
The hottest stretch is July, when afternoons average 32 °C; the coldest is January, when nights average 11 °C.
The coming week looks normal for October: forecast highs average 29 °C, against a usual 29 °C.
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
18 °C
11 °C
36 mm
Feb
20 °C
14 °C
45 mm
Mar
23 °C
17 °C
88 mm
Apr
26 °C
21 °C
156 mm
May
30 °C
24 °C
254 mm
Jun
31 °C
26 °C
291 mm
Jul
32 °C
26 °C
237 mm
Aug
32 °C
26 °C
285 mm
Sep
31 °C
25 °C
208 mm
Oct
29 °C
22 °C
77 mm
Nov
25 °C
18 °C
38 mm
Dec
20 °C
13 °C
34 mm
Whole year
26 °C
20 °C
1,750 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 22.38° N, 112.68° 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 Changsha: pollution and pollen
4/6
Poor
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.529µg/m³
PM1036µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Changsha
Rain observed over the last two hours by official weather radars around Changsha, 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 Changsha yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Changsha
Waning gibbous
79 % illuminated · 19.3 days
Rise 18:28 Set 07:42
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 Changsha
Curious about the weather in Changsha on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Changsha weather at a glance
This page gathers everything about the weather in Changsha, Guangdong: 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 23 °C (feels like 31 °C) and the wind blows at 5 km/h.
Expected range today: 22 °C to 31 °C and a dry sky; keep an eye on thunderstorms. 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 Changsha 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.
