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Weather in Castelo

Rio de Janeiro · 36 930 inhabitants · Sunday, September 20 · updated 00h44

Partly cloudy
17°
Partly cloudy
Feels like 17°C
Wind
6 km/h
Gusts
9 km/h
Humidity
87 %
Pressure
1022 hPa
Clouds
66 %
Storm
No
Rise 05h34 Set 17h41 Day 12h06 UV 11 · Very high

Detailed forecast

Night
Partly cloudy
Partly cloudy
17°15°
Feels like 17°
Wind NE 6 km/h
Humidity 87 %
Morning
Clear sky
Clear sky
20°14°
Feels like 20°
Wind N 11 km/h
Humidity 74 %
Afternoon
Clear sky
Clear sky
26°24°
Feels like 29°
Wind NNO 11 km/h
Humidity 46 %
Evening
Clear sky
Clear sky
20°17°
Feels like 23°
Wind N 9 km/h
Gusts 16 km/h
Humidity 66 %
0h
Partly cloudy
17°
NE 6
3h
Clear sky
15°
N 6
6h
Clear sky
14°
N 8
9h
Clear sky
20°
N 11
12h
Clear sky
26°
NNO 11
15h
Clear sky
24°
NNO 7
18h
Clear sky
20°
N 9

Weather charts for Castelo · 7 days

Temperatures over 7 days

+2° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
12°18°24°29°35°Auj.DimLunMarMerJeuVen29°18°Sam 19 sept. : max 21° · min 18° · normale 20,2°Dim 20 sept. : max 26° · min 14° · normale 20,3°Lun 21 sept. : max 30° · min 15° · normale 20,3°Mar 22 sept. : max 33° · min 18° · normale 20,4°Mer 23 sept. : max 31° · min 18° · normale 20,4°Jeu 24 sept. : max 26° · min 17° · normale 20,4°Ven 25 sept. : max 29° · min 18° · normale 20,5°

Hourly detail

DimLunMarMerJeuVenSamDim12°24°35°33°14°06
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Castelo

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.58µg/m³
PM1011µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Castelo: live radar and next-hour forecast

Will it rain in Castelo? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Castelo

First quarter
65 % illuminated · 8,8 days
Rise 06h15 Set 20h11
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon
Sun 27/9 99%
Mon 28/9 95%
Tue 29/9 90%
Wed 30/9 83%
Thu 1/10 74%
Fri 2/10 64%

Rise and set in local time (America/Sao_Paulo) · phases and illumination computed by SkiesAtlas (synodic model).

Sea, waves and tides in Castelo

Reference port: Castelo

Sea state
Smooth
waves 0,8 m
Period
10 s
Swell
0,4 m
SatSat 19/09
High tide 21:12 1,2 m
TodaySun 20/09
Low tide 04:47 0,8 m
High tide 12:02 1,3 m
Low tide 17:59 1,0 m
High tide 23:26 1,3 m
TomorrowMon 21/09
Low tide 05:57 0,7 m
High tide 12:38 1,4 m
Low tide 18:35 0,9 m
TueTue 22/09
High tide 00:17 1,4 m
Low tide 06:38 0,6 m
High tide 13:06 1,5 m
Low tide 19:03 0,7 m

Heights are indicative, relative to chart datum · coefficient from 20 (neap) to 120 (spring) · full details on TidesAtlas

Weather history for Castelo

What was the weather in Castelo on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Castelo

Find the full weather for Castelo, Rio de Janeiro: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “partly cloudy” with 17 °C (feels like 17 °C) and wind at 6 km/h.

Today, temperatures range from 14 °C to 26 °C, with no significant precipitation, with a storm risk to watch, under strong heat. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms, and tides for Castelo.

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