Rise 05:10 Set 18:04Day 12 h 54 minUV 4 · Moderate
Morning, afternoon, evening
Trend
Afternoon
Light rain
24°
Feels like 30°
Wind↑ SE 5 km/h
Humidity 72 %
💧 2.5 mm
Evening
Light rain
22°20°
Feels like 30°
Wind↑ ESE 5 km/h
Humidity 94 %
💧 5.0 mm
15:00
24°
2.3mm
SE 5
18:00
20°
1.9mm
ESE 5
Night
Drizzle
21°20°
Feels like 29°
Wind↑ W 2 km/h
Humidity 98 %
💧 0.6 mm
Morning
Light rain
23°20°
Feels like 32°
Wind↑ NW 3 km/h
Humidity 90 %
💧 6.3 mm
Afternoon
Rain showers
27°25°
Feels like 36°
Wind↑ SSW 8 km/h
Humidity 68 %
💧 0.8 mm
Evening
Rain showers
23°22°
Feels like 31°
Wind↑ ESE 5 km/h
Humidity 84 %
💧 1.2 mm
Night
Clear sky
21°
Feels like 29°
Wind↑ WNW 4 km/h
Humidity 95 %
Morning
Partly cloudy
24°21°
Feels like 32°
Wind↑ SW 7 km/h
Humidity 82 %
Afternoon
Light rain
29°25°
Feels like 37°
Wind↑ S 12 km/h
Humidity 64 %
💧 1.2 mm
⚡ storm
Evening
Light rain
22°
Feels like 31°
Wind↑ SSE 3 km/h
Humidity 95 %
💧 5.3 mm
Night
Drizzle
22°21°
Feels like 30°
Wind↑ E 1 km/h
Humidity 96 %
💧 0.8 mm
Morning
Drizzle
24°22°
Feels like 32°
Wind↑ ESE 6 km/h
Humidity 83 %
💧 0.2 mm
Afternoon
Drizzle
25°
Feels like 34°
Wind↑ ESE 13 km/h
Humidity 80 %
💧 1.1 mm
⚡ storm
Evening
Light rain
22°
Feels like 31°
Wind↑ SE 8 km/h
Gusts21 km/h
Humidity 91 %
💧 5.8 mm
Night
Rain showers
21°
Feels like 30°
Wind↑ ESE 3 km/h
Humidity 97 %
💧 1.2 mm
Morning
Partly cloudy
26°22°
Feels like 35°
Wind↑ ENE 6 km/h
Humidity 80 %
Afternoon
Light rain
29°28°
Feels like 39°
Wind↑ ESE 10 km/h
Humidity 70 %
💧 3.8 mm
⚡ storm
Evening
Heavy rain
24°23°
Feels like 33°
Wind↑ SSW 7 km/h
Gusts14 km/h
Humidity 91 %
💧 60.9 mm
Night
Partly cloudy
22°
Feels like 31°
Wind↑ NNW 3 km/h
Humidity 94 %
Morning
Mainly clear
27°22°
Feels like 37°
Wind↑ N 5 km/h
Humidity 77 %
Afternoon
Mainly clear
32°30°
Feels like 40°
Wind↑ S 6 km/h
Gusts15 km/h
Humidity 51 %
💧 0.1 mm
Evening
Rain showers
25°
Feels like 35°
Wind↑ ESE 6 km/h
Gusts12 km/h
Humidity 88 %
💧 1.4 mm
⚡ storm
Night
Mainly clear
23°
Feels like 32°
Wind↑ NNW 5 km/h
Humidity 91 %
Morning
Mainly clear
30°24°
Feels like 41°
Wind↑ N 3 km/h
Gusts15 km/h
Humidity 70 %
💧 0.2 mm
Afternoon
Mainly clear
36°32°
Feels like 45°
Wind↑ WNW 14 km/h
Humidity 42 %
💧 0.1 mm
Evening
Rain
26°25°
Feels like 37°
Wind↑ NNW 3 km/h
Gusts9 km/h
Humidity 92 %
💧 13.6 mm
⚡ storm
Night
Clear sky
24°23°
Feels like 33°
Wind↑ NW 5 km/h
Humidity 94 %
💧 0.2 mm
Morning
Partly cloudy
28°23°
Feels like 37°
Wind↑ SSW 4 km/h
Humidity 74 %
💧 0.2 mm
Afternoon
Rain showers
29°27°
Feels like 39°
Wind↑ SSW 12 km/h
Humidity 68 %
💧 0.3 mm
⚡ storm
Evening
Light rain
24°23°
Feels like 35°
Wind↑ SE 6 km/h
Gusts14 km/h
Humidity 93 %
💧 6.5 mm
⚡ storm
Night
Light rain
24°23°
Feels like 34°
Wind↑ SE 5 km/h
Gusts11 km/h
Humidity 96 %
💧 1.4 mm
⚡ storm
Morning
Rain showers
23°
Feels like 31°
Wind↑ S 9 km/h
Humidity 86 %
💧 5.2 mm
⚡ storm
Afternoon
Rain showers
30°23°
Feels like 41°
Wind↑ ENE 10 km/h
Humidity 68 %
💧 0.8 mm
⚡ storm
Evening
Rain
24°22°
Feels like 35°
Wind↑ SSE 3 km/h
Gusts21 km/h
Humidity 97 %
💧 29.2 mm
⚡ storm
Night
Rain showers
23°21°
Feels like 33°
Wind↑ SSE 2 km/h
Humidity 97 %
💧 0.6 mm
Morning
Rain showers
23°22°
Feels like 32°
Wind↑ WNW 5 km/h
Humidity 96 %
💧 0.8 mm
Afternoon
Light rain
26°22°
Feels like 35°
Wind↑ SE 13 km/h
Gusts23 km/h
Humidity 81 %
💧 5.1 mm
⚡ storm
Evening
Rain
20°
Feels like 27°
Wind↑ ESE 9 km/h
Gusts25 km/h
Humidity 91 %
💧 8.4 mm
Night
Rain
19°18°
Feels like 19°
Wind↑ SE 13 km/h
Gusts27 km/h
Humidity 97 %
💧 11.6 mm
Afternoon
Rain
19°
Feels like 19°
Wind↑ SW 3 km/h
Humidity 97 %
💧 11.1 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
18°
Feels like 18°
Wind↑ SE 2 km/h
Humidity 94 %
💧 1.2 mm
Afternoon
Light rain
21°
Feels like 26°
Wind↑ SE 10 km/h
Gusts18 km/h
Humidity 83 %
💧 1.1 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
18°
Feels like 18°
Wind↑ E 3 km/h
Humidity 96 %
💧 1.1 mm
Afternoon
Light rain
19°
Feels like 19°
Wind↑ ESE 5 km/h
Gusts13 km/h
Humidity 94 %
💧 2.8 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Rain showers
16°
Feels like 16°
Wind↑ NNW 2 km/h
Humidity 97 %
💧 0.2 mm
Afternoon
Mainly clear
24°
Feels like 27°
Wind↑ SE 16 km/h
Humidity 56 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
16°
Feels like 16°
Wind↑ NE 3 km/h
Humidity 92 %
💧 0.1 mm
São João de Meriti forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
São João de Meriti climate: what a normal year looks like
The hottest stretch is February, when afternoons average 31 °C; the coldest is July, when nights average 16 °C.
Afternoons reach 30 °C or more from January to March; the typical peak is 31 °C in February.
A normal year brings roughly 1,510 mm of rain — more than 76% of the towns of 20,000+ people we compared it with.
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
31 °C
23 °C
246 mm
Feb
31 °C
23 °C
182 mm
Mar
30 °C
23 °C
193 mm
Apr
29 °C
21 °C
100 mm
May
26 °C
18 °C
72 mm
Jun
26 °C
17 °C
44 mm
Jul
25 °C
16 °C
45 mm
Aug
26 °C
16 °C
42 mm
Sep
27 °C
18 °C
80 mm
Oct
28 °C
20 °C
111 mm
Nov
29 °C
21 °C
187 mm
Dec
30 °C
22 °C
212 mm
Whole year
28 °C
20 °C
1,510 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 22.80° S, 43.37° W, 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 São João de Meriti: pollution and pollen
3/6
Moderate
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.523µg/m³
PM1026µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around São João de Meriti
Rain observed over the last two hours by official weather radars around São João de Meriti, 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 São João de Meriti yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over São João de Meriti
Waning gibbous
87 % illuminated · 18.3 days
Rise 15:53 Set 01:43
Fri30/1079%
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
Moonrise and moonset in local time (America/Sao_Paulo); phase and lit fraction from a synodic calculation.
Look up a past day in São João de Meriti
Curious about the weather in São João de Meriti on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
São João de Meriti weather at a glance
This page gathers everything about the weather in São João de Meriti, Rio de Janeiro: 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 23 °C (feels like 30 °C) and the wind blows at 1 km/h.
Expected range today: 20 °C to 24 °C and around 4 mm of rain; 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.
Use the São João de Meriti 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.
