10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Drizzle
14°
Feels like 14°
Wind↑ N 6 km/h
Gusts12 km/h
Humidity 97 %
💧 0.8 mm
Afternoon
Light rain
14°
Feels like 14°
Wind↑ NW 7 km/h
Humidity 95 %
💧 2.6 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
14°
Feels like 14°
Wind↑ NNW 4 km/h
Humidity 97 %
💧 1.1 mm
Afternoon
Light rain
14°
Feels like 14°
Wind↑ N 4 km/h
Humidity 96 %
💧 4.8 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Light rain
14°
Feels like 14°
Wind↑ N 3 km/h
Humidity 98 %
💧 3.2 mm
Afternoon
Rain
15°
Feels like 15°
Wind↑ NNW 1 km/h
Humidity 96 %
💧 6.2 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Partly cloudy
15°
Feels like 15°
Wind↑ NW 3 km/h
Humidity 96 %
Afternoon
Partly cloudy
18°
Feels like 18°
Wind↑ NNE 4 km/h
Humidity 88 %
Heshan forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +1.9° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Heshan 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 24 °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.
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 19 °C, 3 °C cooler than a normal October (22 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
8 °C
3 °C
78 mm
Feb
11 °C
6 °C
93 mm
Mar
15 °C
9 °C
157 mm
Apr
21 °C
15 °C
186 mm
May
26 °C
20 °C
230 mm
Jun
29 °C
24 °C
292 mm
Jul
33 °C
27 °C
211 mm
Aug
33 °C
26 °C
149 mm
Sep
28 °C
22 °C
91 mm
Oct
22 °C
16 °C
76 mm
Nov
18 °C
11 °C
78 mm
Dec
11 °C
5 °C
52 mm
Whole year
21 °C
15 °C
1,690 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 28.57° N, 112.35° 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 Heshan: pollution and pollen
6/6
Extremely poor
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.578µg/m³
PM1079µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Heshan
Rain observed over the last two hours by official weather radars around Heshan, 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 Heshan yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Heshan
Waning gibbous
79 % illuminated · 19.3 days
Rise 18:14 Set 07:59
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 Heshan
Curious about the weather in Heshan on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Heshan weather at a glance
This page gathers everything about the weather in Heshan, Hunan: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “overcast”, it is 15 °C (feels like 15 °C) and the wind blows at 5 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 Heshan 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.
