10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
19°
Feels like 19°
Wind↑ NNW 6 km/h
Humidity 72 %
Evening
Partly cloudy
20°
Feels like 20°
Wind↑ NE 14 km/h
Humidity 79 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Mainly clear
18°
Feels like 18°
Wind↑ N 6 km/h
Humidity 76 %
Evening
Mainly clear
20°
Feels like 20°
Wind↑ NE 22 km/h
Gusts34 km/h
Humidity 73 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Drizzle
18°
Feels like 18°
Wind↑ N 14 km/h
Gusts21 km/h
Humidity 79 %
💧 0.4 mm
Evening
Rain
17°
Feels like 17°
Wind↑ NNE 16 km/h
Gusts28 km/h
Humidity 92 %
💧 7.9 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain showers
17°
Feels like 17°
Wind↑ NNE 11 km/h
Humidity 84 %
💧 1.8 mm
Evening
Overcast
18°
Feels like 18°
Wind↑ NE 23 km/h
Gusts29 km/h
Humidity 77 %
Rui’an forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.4° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Rui’an climate: what a normal year looks like
The hottest stretch is July, when afternoons average 32 °C; the coldest is January, when nights average 5 °C. Between those two months the average temperature changes by 20 °C.
A normal year brings roughly 1,760 mm of rain — more than 83% 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 32 °C in July.
Forecast highs for the coming week average 23 °C, 1 °C cooler than a normal October (24 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
12 °C
5 °C
64 mm
Feb
14 °C
7 °C
70 mm
Mar
16 °C
10 °C
120 mm
Apr
20 °C
14 °C
132 mm
May
25 °C
19 °C
194 mm
Jun
28 °C
23 °C
297 mm
Jul
32 °C
26 °C
213 mm
Aug
31 °C
26 °C
273 mm
Sep
29 °C
23 °C
183 mm
Oct
24 °C
18 °C
84 mm
Nov
20 °C
14 °C
77 mm
Dec
14 °C
7 °C
56 mm
Whole year
22 °C
16 °C
1,760 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 27.78° N, 120.66° 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 Rui’an: pollution and pollen
4/6
Poor
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.529µg/m³
PM1044µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Rui’an
Rain observed over the last two hours by official weather radars around Rui’an, 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 Rui’an yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Rui’an
Waning gibbous
79 % illuminated · 19.3 days
Rise 17:41 Set 07:23
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 Rui’an
Curious about the weather in Rui’an on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Rui’an weather at a glance
This page gathers everything about the weather in Rui’an, Zhejiang: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 20 °C (feels like 20 °C) and the wind blows at 4 km/h.
Expected range today: 21 °C to 24 °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 Rui’an 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.