Weather forecast for tomorrowNismes, Guyana

Weather forecast for tomorrow

Wednesday 28. Oct 2026

  • 32°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 3mm
  • Wind: 20km/hENE 68°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:39 -04
  • Sunset: 17:33 -04
  • ▼
Tomorrow, in Nismes, expect scattered thunderstorms with occasional breaks in the rain.
Minimal precipitation is forecasted. The highest temperature will be a hot 32°C, while the lowest temperature will be a moderately hot 25°C.
The maximum heat index, which combines relative humidity and air temperature, is assessed at a blistering 41°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.
The high temperature is predicted to match October's standard maximum of 32.9°C.
Sunrise will be at 05:39 and sunset at 17:33; tomorrow's daylight will last for 11h and 54min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 39°C.
Coldest hour: 6h 29°C.

Chance of precipitation

Highest chance: 12h 36%.

Hourly weather forecast

  • 0h
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hNE 46°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 6km/hNE 42°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 4h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hNE 47°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 05:39
  • 6h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 4km/hW 263°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 29°C
  • Feels like:
    36°C
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 1mm
  • Wind: 8km/hE 83°
  • Humidity: 78%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 3
  • ▼
  • 10h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 11km/hENE 72°
  • Humidity: 69%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 12h
  • 32°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 36%
  • Precipitation: 1mm
  • Wind: 16km/hENE 61°
  • Humidity: 65%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 11
  • ▼
  • 14h
  • 31°C
  • Feels like:
    38°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 1mm
  • Wind: 18km/hENE 59°
  • Humidity: 68%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 31°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 20km/hENE 63°
  • Humidity: 69%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:33
  • 18h
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 14km/hENE 62°
  • Humidity: 80%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 11km/hENE 63°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 9km/hENE 61°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of primarily overcast and occasionally lightning-active and rain-soaked weather is predicted.
With minimal precipitation of 1mm, rainfall is anticipated at 7h, 8h, and from 12h to 14h.
The temperature will be between the lowest temperature of 26°C and the highest temperature of 32°C. The feels-like temperature will vary between the lowest temperature of 29°C and the highest temperature of 39°C. The hottest part of the day will be from 11h to 13h.
The highest temperature will be similar to October's average maximum of 32.9°C. The minimum temperature will be also in line with October's average low of 23.5°C.
Updated: Oct 27, 2026 @ 23:00:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, expect scattered thunderstorms in the afternoon, along with possible lightning and gusty winds.

Tomorrow, there is a low probability of minimal rainfall in Nismes.

Tomorrow, the highest temperature will be 32°C, while the lowest temperature will be 25°C. The maximum heat index, which combines relative humidity and air temperature, is estimated at 41°C.
The maximum temperature will be in line with the average highest temperature of 32.9°C in October. The lowest temperature will be also in line with the average low of 23.5°C.

On Wednesday, in Nismes, sunrise will be at 05:39 and sunset at 17:33 (-04).

In Nismes, the length of the day tomorrow will be 11h and 54min.