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
20°
Feels like 27°
Wind↑ NNW 9 km/h
Gusts17 km/h
Humidity 94 %
💧 2.1 mm
Afternoon
Heavy rain
20°
Feels like 28°
Wind↑ NNW 12 km/h
Gusts19 km/h
Humidity 96 %
💧 22.1 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
21°
Feels like 28°
Wind↑ NNW 11 km/h
Gusts22 km/h
Humidity 96 %
💧 4.8 mm
Afternoon
Rain
22°
Feels like 30°
Wind↑ NNW 9 km/h
Humidity 90 %
💧 10.7 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Overcast
22°
Feels like 29°
Wind↑ NW 7 km/h
Humidity 92 %
Afternoon
Rain showers
28°
Feels like 36°
Wind↑ S 4 km/h
Humidity 65 %
💧 0.4 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
23°
Feels like 31°
Wind↑ SE 5 km/h
Humidity 89 %
Afternoon
Drizzle
22°
Feels like 29°
Wind↑ E 12 km/h
Gusts21 km/h
Humidity 87 %
💧 0.5 mm
Long Bien forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +4.7° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Long Bien climate: what a normal year looks like
Afternoons reach 30 °C or more from May to September; the typical peak is 33 °C in June.
A normal year brings roughly 1,830 mm of rain — more than 85% of the towns of 20,000+ people we compared it with.
The hottest stretch is June, when afternoons average 33 °C; the coldest is January, when nights average 15 °C.
Forecast highs for the coming week average 31 °C, 2 °C warmer than a normal October (29 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
20 °C
15 °C
46 mm
Feb
22 °C
16 °C
35 mm
Mar
24 °C
19 °C
61 mm
Apr
28 °C
22 °C
103 mm
May
32 °C
25 °C
237 mm
Jun
33 °C
27 °C
247 mm
Jul
33 °C
27 °C
284 mm
Aug
33 °C
26 °C
345 mm
Sep
32 °C
25 °C
243 mm
Oct
29 °C
23 °C
129 mm
Nov
26 °C
19 °C
61 mm
Dec
22 °C
16 °C
37 mm
Whole year
28 °C
22 °C
1,830 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 21.03° N, 105.90° 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 Long Bien: 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 Long Bien
Rain observed over the last two hours by official weather radars around Long Bien, 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 Long Bien yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Long Bien
Waning gibbous
79 % illuminated · 19.3 days
Rise 20:00 Set 09:07
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/Bangkok); phase and lit fraction from a synodic calculation.
Look up a past day in Long Bien
Curious about the weather in Long Bien on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Long Bien weather at a glance
This page gathers everything about the weather in Long Bien, Hanoi: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “rain showers”, it is 27 °C (feels like 39 °C) and the wind blows at 5 km/h.
Expected range today: 25 °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 Long Bien 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.
