Weather forecast for 10 daysSimon, French Guiana
Weather forecast for the weekend
Saturday 31. Oct 2026
- 36°C
- 22°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 17km/hENE 70°
- Humidity: 46%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:13 -03
- details ▼
Today, sunlight and clouds will take turns dominating the sky.
Temperature fluctuations between a fiery hot 36°C and a pleasant 22°C are forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at an extremely hot 41°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today, the forecasted high will be slightly warmer than October's typical maximum of 31.6°C.
Sunrise was at 06:15 and sunset will be at 18:13; the daylight will last for 11h and 58min.
Temperature fluctuations between a fiery hot 36°C and a pleasant 22°C are forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at an extremely hot 41°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today, the forecasted high will be slightly warmer than October's typical maximum of 31.6°C.
Sunrise was at 06:15 and sunset will be at 18:13; the daylight will last for 11h and 58min.
Sunday 1. Nov 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 17km/hENE 69°
- Humidity: 62%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:13 -03
- details ▼
On Sunday, in Simon, moderate cloud cover will mix with sunshine throughout the day.
A temperature range of a very hot 36°C to a moderately hot 23°C is expected.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a searing 49°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the predicted maximum will be a few degrees higher than October's regular high of 31.6°C.
Sunrise will be at 06:15 and sunset at 18:13; tomorrow's daylight will last for 11h and 58min.
A temperature range of a very hot 36°C to a moderately hot 23°C is expected.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a searing 49°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the predicted maximum will be a few degrees higher than October's regular high of 31.6°C.
Sunrise will be at 06:15 and sunset at 18:13; tomorrow's daylight will last for 11h and 58min.
10-day overview
Daily temperatures
Warmest period: Wednesday - Friday 37°C.
Coldest period: Sunday - Monday 35°C.
Coldest period: Sunday - Monday 35°C.
Chance of precipitation
Highest chance: Sunday 08.11. 49%.
Long-term weather forecast
- Saturday
- 31. Oct 2026
- 36°C
- 22°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 17km/hENE 70°
- Humidity: 46%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:13 -03
- details ▼
- Sunday
- 1. Nov 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 17km/hENE 69°
- Humidity: 62%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:13 -03
- details ▼
- Monday
- 2. Nov 2026
- 36°C
- 22°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 18km/hE 92°
- Humidity: 61%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:12 -03
- details ▼
- Tuesday
- 3. Nov 2026
- 36°C
- 22°C
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0mm
- Wind: 18km/hE 91°
- Humidity: 60%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:12 -03
- details ▼
- Wednesday
- 4. Nov 2026
- 37°C
- 22°C
Mostly Sunny
- Precip. probability: 21%
- Precipitation: 0mm
- Wind: 17km/hE 87°
- Humidity: 59%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:12 -03
- details ▼
- Thursday
- 5. Nov 2026
- 37°C
- 22°C
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 16km/hE 91°
- Humidity: 59%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:12 -03
- details ▼
- Friday
- 6. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 16km/hE 90°
- Humidity: 59%
- UV index: 11
- Sunrise: 06:15 -03
- Sunset: 18:12 -03
- details ▼
- Saturday
- 7. Nov 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 17km/hENE 67°
- Humidity: 62%
- UV index: 11
- Sunrise: 06:16 -03
- Sunset: 18:12 -03
- details ▼
- Sunday
- 8. Nov 2026
- 35°C
- 23°C
Scattered Thunderstorms
- Precip. probability: 49%
- Precipitation: 2mm
- Wind: 15km/hENE 61°
- Humidity: 65%
- UV index: 11
- Sunrise: 06:16 -03
- Sunset: 18:12 -03
- details ▼
- Monday
- 9. Nov 2026
- 35°C
- 23°C
PM Thunderstorms
- Precip. probability: 45%
- Precipitation: 1mm
- Wind: 15km/hENE 64°
- Humidity: 65%
- UV index: 11
- Sunrise: 06:16 -03
- Sunset: 18:12 -03
- details ▼
gloomy, bright and thunderstorm-prone weather is predicted.
Rainfall is forecasted for next Sunday and Monday.
The variation in maximum temperature will be negligible over the next several days. Expected highs will hover between 35°C and 37°C, while changes in the overnight low will be also barely noticeable, as night temperatures will lie between 22°C and 23°C.
With a maximum temperature of 37°C, Wednesday through Friday will be the hottest days in Simon; the coldest days will be next Sunday and Monday, with a maximum of 35°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase vastly and range between a blistering 41°C and a life-threatening 51°C.
The climate reaches its peak warmth in October, with highs averaging 31.6°C and lows dropping to 24.8°C.
Rainfall is forecasted for next Sunday and Monday.
The variation in maximum temperature will be negligible over the next several days. Expected highs will hover between 35°C and 37°C, while changes in the overnight low will be also barely noticeable, as night temperatures will lie between 22°C and 23°C.
With a maximum temperature of 37°C, Wednesday through Friday will be the hottest days in Simon; the coldest days will be next Sunday and Monday, with a maximum of 35°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase vastly and range between a blistering 41°C and a life-threatening 51°C.
The climate reaches its peak warmth in October, with highs averaging 31.6°C and lows dropping to 24.8°C.
Updated: Oct 31, 2026 @ 15:20:34 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Simon, moments of sunshine will break through the patchy clouds.
Today, the highest temperature in Simon will be 36°C, while the lowest temperature will be 22°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at 41°C.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be also a few degrees lower than the average low of 24.8°C.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be also a few degrees lower than the average low of 24.8°C.
On Saturday, in Simon, sunrise was at 06:15 and sunset will be at 18:13 (-03).
Today, the daylight will last for 11h and 58min.
On Sunday, intermittent cloud cover is expected, allowing for some sunshine.
Tomorrow, the highest temperature will be 36°C, while the lowest temperature will be 23°C. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 49°C.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 24.8°C.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 24.8°C.
On Sunday, in Simon, sunrise will be at 06:15 and sunset at 18:13 (-03).
In Simon, tomorrow, there will be 11h and 58min of daylight.
