10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Overcast
21°
Feels like 25°
Wind↑ NE 4 km/h
Humidity 74 %
Afternoon
Partly cloudy
29°
Feels like 33°
Wind↑ N 8 km/h
Humidity 43 %
11-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 25°
Wind↑ SE 4 km/h
Humidity 76 %
Afternoon
Partly cloudy
30°
Feels like 34°
Wind↑ NW 7 km/h
Humidity 42 %
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
20°
Feels like 26°
Wind↑ SSE 5 km/h
Humidity 83 %
Afternoon
Clear sky
31°
Feels like 35°
Wind↑ NNW 8 km/h
Humidity 39 %
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
20°
Feels like 26°
Wind↑ S 4 km/h
Humidity 82 %
Afternoon
Clear sky
32°
Feels like 36°
Wind↑ NW 6 km/h
Humidity 38 %
Heyuan forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +4.2° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Heyuan 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 1,740 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 9 °C.
Forecast highs for the coming week average 29 °C, 1 °C warmer than a normal October (28 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
17 °C
9 °C
52 mm
Feb
19 °C
12 °C
66 mm
Mar
22 °C
14 °C
133 mm
Apr
25 °C
19 °C
182 mm
May
29 °C
23 °C
253 mm
Jun
30 °C
25 °C
311 mm
Jul
32 °C
26 °C
223 mm
Aug
32 °C
26 °C
246 mm
Sep
31 °C
24 °C
154 mm
Oct
28 °C
20 °C
46 mm
Nov
25 °C
16 °C
37 mm
Dec
19 °C
11 °C
38 mm
Whole year
26 °C
19 °C
1,740 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 23.73° N, 114.68° 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 Heyuan: pollution and pollen
3/6
Moderate
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.520µg/m³
PM1026µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Heyuan
Rain observed over the last two hours by official weather radars around Heyuan, 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 Heyuan yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Heyuan
Waning gibbous
79 % illuminated · 19.3 days
Rise 18:17 Set 07:37
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 Heyuan
Curious about the weather in Heyuan on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Heyuan weather at a glance
This page gathers everything about the weather in Heyuan, Guangdong: 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 25 °C (feels like 31 °C) and the wind blows at 4 km/h.
Expected range today: 20 °C to 30 °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 Heyuan 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.
