Today
Sun, Jun 21
Light drizzle
27°15°
- Rain chance
- 2%
- Precip
- 0.1 mm
- Max wind
- 9 km/h
Castelo air quality
Espírito Santo, Brazil · Sao_Paulo time · -20.60°, -41.18°
Current conditions · 11:45 AM local
Current conditions in Castelo
26°C
Partly cloudy
Feels like 16°C
- Humidity
- 73%
- Wind
- 6 km/h SSE
- Gusts
- 17 km/h
- UV index
- 0
- Visibility
- 39.4 km
Air quality
28
Good
US AQI · European AQI 24
Air quality in Castelo is currently good, with a US AQI of 28 (European AQI 24). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 3.6 µg/m³.
Pollutants
- PM2.5
- 3.6 µg/m³
- PM10
- 4.5 µg/m³
- Ozone (O₃)
- 61 µg/m³
- NO₂
- 1.4 µg/m³
- SO₂
- 0.9 µg/m³
- CO
- 81 µg/m³
- Dust
- 0 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Castelo is currently seeing partly cloudy, with 26 °C on the thermometer. It feels warmer than it reads, more like 28 °C. Wind is from the SSE at 6 km/h. Humidity stands at 55% with sea-level pressure near 1017 hPa.
At a glance
Today
27° / 15°Light drizzle
Tomorrow
25° / 14°Overcast
Upcoming · to Saturday
29° / 15°Highs 29°, lows 15°. The most active day looks like Saturday, when rain chances peak at 69%.
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Next 3 days
Expect light drizzle today, between 15 °C and 27 °C. Tomorrow looks like overcast; temperatures run from 14 °C up to 25 °C. Expect overcast Tuesday, between 16 °C and 29 °C.
Tomorrow
Mon, Jun 22
Overcast
25°14°
- Rain chance
- 2%
- Precip
- 0 mm
- Max wind
- 7 km/h
Tuesday
Tue, Jun 23
Overcast
29°16°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 14 km/h
Next 48 hours
- 12 AM16°0%7 km/h
- 1 AM16°0%8 km/h
- 2 AM16°0%9 km/h
- 3 AM16°0%7 km/h
- 4 AM15°0%8 km/h
- 5 AM15°0%8 km/h
- 6 AM15°0%7 km/h
- 7 AM15°0%9 km/h
- 8 AM19°0%8 km/h
- 9 AM23°0%3 km/h
- 10 AM24°0%2 km/h
- 11 AM25°0%4 km/h
- 12 PM26°0%6 km/h
- 1 PM27°0%9 km/h
- 2 PM27°0%9 km/h
- 3 PM26°0%7 km/h
- 4 PM25°0%6 km/h
- 5 PM22°0%6 km/h
- 6 PM20°0%7 km/h
- 7 PM19°0%6 km/h
- 8 PM18°0%4 km/h
- 9 PM18°0%3 km/h
- 10 PM18°1%3 km/h
- 11 PM19°2%3 km/h
- 12 AM19°2%4 km/h
- 1 AM19°2%4 km/h
- 2 AM18°1%4 km/h
- 3 AM17°0%4 km/h
- 4 AM16°0%5 km/h
- 5 AM15°0%6 km/h
- 6 AM14°0%6 km/h
- 7 AM15°0%7 km/h
- 8 AM19°0%5 km/h
- 9 AM21°0%1 km/h
- 10 AM23°0%4 km/h
- 11 AM24°0%6 km/h
- 12 PM24°0%7 km/h
- 1 PM25°0%6 km/h
- 2 PM25°0%4 km/h
- 3 PM25°0%2 km/h
- 4 PM25°0%3 km/h
- 5 PM23°0%3 km/h
- 6 PM21°0%2 km/h
- 7 PM20°0%1 km/h
- 8 PM19°0%2 km/h
- 9 PM19°0%4 km/h
- 10 PM18°0%5 km/h
- 11 PM17°0%5 km/h
In depth
Castelo starts the period under partly cloudy, with the mercury at 26 °C and a feels-like of 28 °C. Today's forecast calls for light drizzle, topping out near 27 °C before falling back to 15 °C overnight. Winds blow mainly from the NW around 9 km/h, with gusts up to 22 km/h. Daytime highs hold fairly steady this week, staying within 23 to 29 °C. Rain is in the picture on Thursday, Saturday, with roughly 5 mm expected in total across the week. Tomorrow brings overcast with a high of 25 °C and a 2% chance of precipitation. Sunrise comes at 06:20 and sunset at 17:13, giving 10.9 hours of daylight. Current humidity sits at 55% with pressure near 1017 hPa. Looking further out, Thursday shows moderate drizzle with a high around 23 °C, while Saturday ends the week at 24 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 6:20 AM
- Sunset
- 5:13 PM
- Daylight
- 10h 53m
- Max UV
- 5.55 Moderate
Wind
- Wind
- 6 km/h
- Gusts
- 17 km/h
- Direction
- SSE (148°)
Farming weather
Soil temperatures today read surface 17.8 °C, 6 cm 20.7 °C, 18 cm 23 °C, 54 cm 23.1 °C. Soil moisture sits at 0-1 cm at 0.2 m³/m³, 3-9 cm at 0.22 m³/m³, 27-81 cm at 0.23 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. ET0 of 17 mm modestly outpaces the 5 mm of forecast rain; light supplemental irrigation may help. A suitable spraying window opens around 07:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 117, maize 78.
- Topsoil moisture
- 0.212 m³/m³
- Soil temp
- 13°C
- ET₀ today
- 3.05 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 4.9 mm
- Wind
- 6 km/h
- Humidity
- 73%
Advisory summary
No weather alert thresholds are crossed for Castelo in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Castelo
| Variable | Value |
|---|---|
| City | Castelo, Espírito Santo, Brazil |
| Coordinates | -20.60361, -41.18472 |
| Elevation | 129 m |
| Timezone | America/Sao_Paulo |
| Population | 36,930 |
| Observed at (local) | 11:45 AM |
| Temperature (2 m) | 26°C |
| Apparent temperature | 16°C |
| Relative humidity (2 m) | 73% |
| Dew point (2 m) | 11°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 2 |
| Cloud cover | 65% |
| Surface pressure | 1002 hPa |
| Sea-level pressure | 1017 hPa |
| Wind speed (10 m) | 6 km/h |
| Wind gusts (10 m) | 17 km/h |
| Wind direction (10 m) | 148° (SSE) |
| Visibility | 39.4 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 27°C / 15°C |
| Today feels-like max / min | 28°C / 14°C |
| Today precipitation sum | 0.1 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 2% |
| Today max wind / gusts | 9 km/h / 22 km/h |
| Dominant wind direction | 322° (NW) |
| Sunrise / sunset | 6:20 AM / 5:13 PM |
| Daylight duration | 10h 53m |
| Sunshine duration | 10h 36m |
| Max UV index | 5.55 |
| Reference evapotranspiration (ET₀) | 3.05 mm |
| Topsoil moisture (0–1 cm) | 0.212 m³/m³ |
| Surface soil temperature | 13°C |
| US AQI | 28 |
| European AQI | 24 |
| PM2.5 | 3.6 µg/m³ |
| PM10 | 4.5 µg/m³ |
| Ozone (O₃) | 61 µg/m³ |
| Nitrogen dioxide (NO₂) | 1.4 µg/m³ |
| Sulphur dioxide (SO₂) | 0.9 µg/m³ |
| Carbon monoxide (CO) | 81 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/br/espirito-santo/castelo" width="320" height="180" frameborder="0" title="Castelo weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Castelo tomorrow?
Rain is unlikely in Castelo tomorrow; the precipitation chance stays around 2%.
What is the temperature in Castelo today?
Today Castelo sees light drizzle with a high of 27 °C and a low of 15 °C.
How hot will it be in Castelo tomorrow?
Tomorrow's high in Castelo is forecast at 25 °C with overcast.
Is it windy in Castelo today?
No, not especially; gusts only reach up to 22 km/h today.
What is the UV index in Castelo today?
The UV index peaks at 6 today, which is moderate.
What time is sunrise and sunset in Castelo today?
The sun rises at 06:20 and sets at 17:13 local time.
Is the air quality in Castelo good today?
Air quality is good right now, with a US AQI reading of 28.