Weather forecast for 10 daysGuaratinguetá, Brazil

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 28°C
  • 19°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 46%
  • Precipitation: 2mm
  • Wind: 12km/hSW 215°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:16 -03
  • Sunset: 18:12 -03
  • ▼
Today, in Guaratinguetá, passing thunderstorms may develop after midday.
Minimal precipitation is forecasted. The maximum temperature will be a moderately hot 28°C, while the minimum temperature will be an enjoyable 19°C.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a blazing 30°C. Note that heat index values are valued for light wind and location in the shade.
The maximum temperature is expected to match the regular October high of 26°C.
Sunrise was at 05:16 and sunset will be at 18:12; the daylight will last for 12h and 56min.

Sunday 1. Nov 2026

  • 29°C
  • 20°C
Thunderstorms
Thunderstorms
  • Precip. probability: 92%
  • Precipitation: 13mm
  • Wind: 9km/hE 79°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:15 -03
  • Sunset: 18:13 -03
  • ▼
Tomorrow, thunderstorm risks remain elevated.
The likelihood of rainfall is high, and precipitation will be moderate. The highest temperature will be a temperate 29°C, while the lowest anticipated temperature is a delightful 20°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a blazing 33°C. Note that heat index values are valued for light wind and location in the shade.
Forecasted temperatures are trending moderately higher than October's climate norm of 26°C.
Sunrise will be at 05:15 and sunset at 18:13; tomorrow's daylight will last for 12h and 58min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 32°C.
Coldest day: Monday 09.11. 24°C.

Chance of precipitation

Highest chance: Monday 97%.

Long-term weather forecast

  • Saturday
  • 31. Oct 2026
  • 28°C
  • 19°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 46%
  • Precipitation: 2mm
  • Wind: 12km/hSW 215°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:16 -03
  • Sunset: 18:12 -03
  • ▼
  • Sunday
  • 1. Nov 2026
  • 29°C
  • 20°C
Thunderstorms
Thunderstorms
  • Precip. probability: 92%
  • Precipitation: 13mm
  • Wind: 9km/hE 79°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:15 -03
  • Sunset: 18:13 -03
  • ▼
  • Monday
  • 2. Nov 2026
  • 27°C
  • 19°C
Thunderstorms
Thunderstorms
  • Precip. probability: 97%
  • Precipitation: 19mm
  • Wind: 11km/hNW 316°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 05:14 -03
  • Sunset: 18:13 -03
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 32°C
  • 20°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 3mm
  • Wind: 9km/hSW 230°
  • Humidity: 61%
  • UV index: 11
  • Sunrise: 05:14 -03
  • Sunset: 18:14 -03
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 32°C
  • 21°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 45%
  • Precipitation: 3mm
  • Wind: 10km/hWNW 285°
  • Humidity: 63%
  • UV index: 11
  • Sunrise: 05:13 -03
  • Sunset: 18:14 -03
  • ▼
  • Thursday
  • 5. Nov 2026
  • 29°C
  • 20°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 10mm
  • Wind: 9km/hSSW 199°
  • Humidity: 71%
  • UV index: 8
  • Sunrise: 05:13 -03
  • Sunset: 18:15 -03
  • ▼
  • Friday
  • 6. Nov 2026
  • 28°C
  • 19°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 6mm
  • Wind: 12km/hSW 216°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:12 -03
  • Sunset: 18:16 -03
  • ▼
  • Saturday
  • 7. Nov 2026
  • 26°C
  • 18°C
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 7mm
  • Wind: 10km/hS 189°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 05:12 -03
  • Sunset: 18:16 -03
  • ▼
  • Sunday
  • 8. Nov 2026
  • 25°C
  • 17°C
Rain
Rain
  • Precip. probability: 60%
  • Precipitation: 10mm
  • Wind: 11km/hSSE 158°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:11 -03
  • Sunset: 18:17 -03
  • ▼
  • Monday
  • 9. Nov 2026
  • 24°C
  • 17°C
Showers
Showers
  • Precip. probability: 60%
  • Precipitation: 7mm
  • Wind: 10km/hE 92°
  • Humidity: 77%
  • UV index: 9
  • Sunrise: 05:11 -03
  • Sunset: 18:18 -03
  • ▼
For the coming ten days, a combination of lightning-active and rain-filled weather is predicted.
Rainfall is expected day-to-day, with daily precipitation varying from a minimal 2mm to a maximum of 19mm.
Significant changes in temperature are expected in the next ten days. Maximum temperatures are forecasted between 24°C and 32°C, while nighttime temperatures are expected to vary from 17°C to 21°C.
The hottest days in Guaratinguetá, Brazil, will be Tuesday and Wednesday, with a maximum of 32°C; next Monday will be the coldest day, with the highest temperature of 24°C.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between 24°C and a torrid 38°C.
Updated: Oct 31, 2026 @ 11:11:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, thunderstorms are forecasted to develop with occasional lightning.

Today, there is a low chance of minimal precipitation in Guaratinguetá.

Today, the maximum temperature will be 28°C, while the minimum temperature will be 19°C. The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at 30°C.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be moderately higher than the average low of 15.5°C.

On Saturday, in Guaratinguetá, sunrise was at 05:16 and sunset will be at 18:12 (-03).

In Guaratinguetá, the length of the day today will be 12h and 56min.

Tomorrow, rolling thunder and rain showers are in the outlook.

Moderate precipitation of 13mm is anticipated. The chance of rainfall is high at 92%.

Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 20°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 33°C.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature tomorrow will be also slightly warmer than the average low temperature.

On Sunday, in Guaratinguetá, sunrise will be at 05:15 and sunset at 18:13 (-03).

In Guaratinguetá, Brazil, tomorrow, there will be 12h and 58min of daylight.