10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
22°
Feels like 25°
Wind↑ NW 7 km/h
Humidity 60 %
Afternoon
Clear sky
28°
Feels like 30°
Wind↑ NW 13 km/h
Gusts20 km/h
Humidity 39 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
22°
Feels like 25°
Wind↑ NNW 6 km/h
Humidity 54 %
Afternoon
Clear sky
28°
Feels like 30°
Wind↑ WNW 6 km/h
Humidity 37 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Mainly clear
22°
Feels like 25°
Wind↑ N 10 km/h
Gusts16 km/h
Humidity 52 %
Afternoon
Clear sky
29°
Feels like 33°
Wind↑ SSW 5 km/h
Humidity 42 %
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 25°
Wind↑ NNW 8 km/h
Humidity 52 %
Afternoon
Partly cloudy
29°
Feels like 35°
Wind↑ ESE 6 km/h
Humidity 48 %
Kolkata forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +3.7° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Kolkata climate: what a normal year looks like
Afternoons reach 30 °C or more from March to October; the typical peak is 35 °C in April.
The wet season is concentrated from June to August, which brings 57% of the annual total; July by itself averages 355 mm.
A normal year brings roughly 1,650 mm of rain — more than 81% of the towns of 20,000+ people we compared it with.
The hottest stretch is May, when afternoons average 35 °C; the coldest is January, when nights average 13 °C.
Forecast highs for the coming week average 32 °C, 1 °C warmer than a normal October (31 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
25 °C
13 °C
14 mm
Feb
29 °C
18 °C
24 mm
Mar
33 °C
22 °C
33 mm
Apr
35 °C
26 °C
76 mm
May
35 °C
27 °C
133 mm
Jun
33 °C
27 °C
279 mm
Jul
32 °C
27 °C
355 mm
Aug
32 °C
27 °C
312 mm
Sep
32 °C
26 °C
252 mm
Oct
31 °C
24 °C
136 mm
Nov
29 °C
19 °C
30 mm
Dec
26 °C
15 °C
10 mm
Whole year
31 °C
23 °C
1,650 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 22.56° N, 88.36° 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 Kolkata: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.514µg/m³
PM1014µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Kolkata
Rain observed over the last two hours by official weather radars around Kolkata, 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 Kolkata yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Kolkata
Waning gibbous
79 % illuminated · 19.3 days
Rise 22:40 Set 11:53
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/Kolkata); phase and lit fraction from a synodic calculation.
Sea and tides near Kolkata
Tide station used: Kolkata
ThuThu 29/10
High tide07:425.6 m
Low tide13:450.3 m
High tide19:565.4 m
TodayFri 30/10
Low tide02:010.3 m
High tide08:165.6 m
Low tide14:250.4 m
High tide20:315.3 m
TomorrowSat 31/10
Low tide02:420.5 m
High tide08:495.3 m
Low tide15:080.7 m
High tide21:055.0 m
SunSun 01/11
Low tide03:270.8 m
High tide09:235.0 m
Low tide15:591.0 m
High tide21:404.6 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest.
Look up a past day in Kolkata
Curious about the weather in Kolkata on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Kolkata weather at a glance
This page gathers everything about the weather in Kolkata, West Bengal: 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 24 °C (feels like 33 °C) and the wind blows at 9 km/h.
Expected range today: 25 °C to 30 °C and a dry sky; keep an eye on thunderstorms; it will be very hot. 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, plus the tide times for Kolkata.
Use the Kolkata 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.
