10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Light rain
15°
Feels like 15°
Wind↑ N 5 km/h
Humidity 94 %
💧 1.9 mm
Afternoon
Light rain
15°
Feels like 15°
Wind↑ NNW 7 km/h
Humidity 92 %
💧 1.8 mm
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Light rain
15°
Feels like 15°
Wind↑ NW 6 km/h
Humidity 95 %
💧 1.9 mm
Afternoon
Rain
15°
Feels like 15°
Wind↑ NNW 4 km/h
Humidity 96 %
💧 6.9 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Rain
15°
Feels like 15°
Wind↑ NW 8 km/h
Humidity 97 %
💧 7.4 mm
Afternoon
Light rain
16°
Feels like 16°
Wind↑ NW 7 km/h
Humidity 96 %
💧 4.4 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Drizzle
16°
Feels like 16°
Wind↑ NNW 4 km/h
Humidity 96 %
💧 0.2 mm
Afternoon
Overcast
20°
Feels like 25°
Wind↑ NW 2 km/h
Humidity 80 %
Changsha forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.9° 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
The hottest stretch is July, when afternoons average 33 °C; the coldest is January, when nights average 3 °C. Between those two months the average temperature changes by 25 °C.
A normal year brings roughly 1,790 mm of rain — more than 84% of the towns of 20,000+ people we compared it with.
Afternoons reach 30 °C or more in July and August; the typical peak is 33 °C in July.
Forecast highs for the coming week average 21 °C, 2 °C cooler than a normal October (23 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
8 °C
3 °C
78 mm
Feb
12 °C
5 °C
99 mm
Mar
16 °C
9 °C
184 mm
Apr
22 °C
15 °C
240 mm
May
27 °C
20 °C
276 mm
Jun
30 °C
24 °C
304 mm
Jul
33 °C
27 °C
184 mm
Aug
33 °C
26 °C
134 mm
Sep
29 °C
22 °C
88 mm
Oct
23 °C
16 °C
68 mm
Nov
19 °C
11 °C
77 mm
Dec
12 °C
5 °C
55 mm
Whole year
22 °C
15 °C
1,790 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 28.20° N, 112.97° 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
6/6
Extremely poor
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.592µg/m³
PM1093µg/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 18:13 Set 07:56
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, Hunan: 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 17 °C (feels like 17 °C) and the wind blows at 8 km/h.
Expected range today: 17 °C to 25 °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 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.
