Weather forecast for todaySão Marcos, Brazil

Weather forecast for today

Current condition 15:07 -03

  • 14°C
  • Feels like:
    12°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 18km/hWSW 250°
  • Humidity: 52%
  • Dewpoint: 4°C
  • Pressure: 1015.92mbar
  • Visibility: 14.48km
  • UV index: 4
  • ▼
In São Marcos, at the moment, a mix of cloud cover and clear skies can be seen.
The temperature is a refreshing 14°C, with the feels-like temperature being appraised at a cool 12°C. The current temperature is almost at the maximum expected 15°C for today.

Sunday 18. Oct 2026

  • 15°C
  • 4°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 18km/hWSW 241°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 05:43 -03
  • Sunset: 18:35 -03
  • ▼
On Sunday, in São Marcos, occasional cloudiness will be present, but there will still be plenty of sun.
Anticipated temperature values will span from a moderate 15°C down to a cold 4°C.
Today, it will be colder, and the temperature will align more with September's typical maximum of 20.4°C.
Sunrise was at 05:43 and sunset will be at 18:35; the daylight will last for 12h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 16h 14°C.
Coldest period: 23h - 0h 6°C.

Chance of precipitation

Highest chance: 23h - 0h 7%.

Hourly weather forecast

  • 16h
  • 14°C
  • Feels like:
    12°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 17km/hWSW 247°
  • Humidity: 52%
  • Pressure: 1015mbar
  • Visibility: 15km
  • UV index: 2
  • ▼
  • 17h
  • 13°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 16km/hWSW 238°
  • Humidity: 54%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 12°C
  • Feels like:
    10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 14km/hSW 226°
  • Humidity: 58%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:35
  • 19h
  • 10°C
  • Feels like:
    9°C
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 11km/hSW 219°
  • Humidity: 66%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 9°C
  • Feels like:
    8°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSW 222°
  • Humidity: 74%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 8°C
  • Feels like:
    7°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hSSW 207°
  • Humidity: 78%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 7°C
  • Feels like:
    6°C
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hSSW 208°
  • Humidity: 81%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 6°C
  • Feels like:
    6°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hSSW 199°
  • Humidity: 85%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 0h
  • 6°C
  • Feels like:
    6°C
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 4km/hSSW 203°
  • Humidity: 88%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 1h
  • 6°C
  • Feels like:
    6°C
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 4km/hSSW 198°
  • Humidity: 90%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
During the late afternoon and into the evening, overcast weather is expected.
The temperature will be between the highest temperature of 14°C and the lowest temperature of 6°C. The warmest part of the day will be around 16h.
The highest temperature is more similar to September's average maximum of 20.4°C than October's usual of 22.4°C. Today, the temperature will drop to a level noticeably lower than October's usual minimum.
Updated: Oct 18, 2026 @ 18:07:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 15:07 -03 is 14°C.

On Sunday, sunlight and clouds will take turns dominating the sky.

Today, the maximum temperature will be 15°C, while the minimum temperature will be 4°C.
Today, the highest temperature will be noticeably lower than the average maximum of 22.4°C in October. The lowest temperature today will be also significantly lower than the average low of 12.2°C.

On Sunday, in São Marcos, sunrise was at 05:43 and sunset will be at 18:35 (-03).

In São Marcos, today, there will be 12h and 52min of daylight.