🇧🇷 Weather in São João de Meriti
Map Overlays:
Hourly Forecast for São João de Meriti
22:00
17°
17%
23:00
17°
16%
00:00
17°
15%
01:00
17°
15%
02:00
17°
15%
03:00
16°
15%
04:00
16°
15%
05:00
16°
15%
06:00
16°
15%
07:00
16°
14%
08:00
19°
11%
09:00
21°
7%
10:00
24°
4%
11:00
26°
3%
12:00
28°
2%
13:00
29°
2%
14:00
28°
4%
15:00
27°
5%
16:00
26°
6%
17:00
24°
7%
18:00
24°
4%
19:00
23°
4%
20:00
22°
5%
21:00
21°
7%
14-Day Forecast for São João de Meriti
2026-06-11
Patchy rain nearby
20° /
17°
2026-06-12
Sunny
29° /
16°
2026-06-13
Patchy rain nearby
27° /
19°
2026-06-14
Moderate rain
27° /
19°
2026-06-15
Moderate rain
23° /
20°
2026-06-16
Patchy rain nearby
20° /
18°
2026-06-17
Patchy rain nearby
22° /
18°
Additional Forecasts for São João de Meriti
Air Quality
💨 US EPA Index 3 (Unhealthy for Sensitive)
CO (Carbon Monoxide) 1976.0 μg/m³
O₃ (Ozone) 41.0 μg/m³
NO₂ (Nitrogen Dioxide) 52.9 μg/m³
SO₂ (Sulphur Dioxide) 12.0 μg/m³
PM2.5 (Fine particles) 54.8 μg/m³
PM10 (Coarse particles) 56.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in São João de Meriti — FAQ
Answers refreshed each request based on current conditions in São João de Meriti.
What is the weather like right now in São João de Meriti?
Right now in São João de Meriti, Brazil the temperature is 19.2°C (feels like 19.2°C), with mist. Relative humidity is 100% and wind is 4.3 km/h.
What is today's high and low temperature in São João de Meriti?
Today's forecast high in São João de Meriti is 20.0°C and the overnight low is 17.1°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in São João de Meriti today?
The chance of precipitation in São João de Meriti today is 66%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in São João de Meriti differ from nearby cities?
Even short distances can change temperatures noticeably. São João de Meriti's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.