Weather forecast for tomorrowGrantham, Jamaica

Weather forecast for tomorrow

Monday 9. Nov 2026

  • 29°C
  • 23°C
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 95%
  • Precipitation: 28mm
  • Wind: 10km/hE 84°
  • Humidity: 81%
  • UV index: 6
  • Sunrise: 06:10 EST
  • Sunset: 17:32 EST
  • ▼
Tomorrow, rainy weather and heavy thunderstorms are anticipated.
Elevated precipitation of 28mm is predicted. The temperature variation is forecasted to range from a maximum of a warm 29°C to a minimum of a temperate 23°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at a very hot 35°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
This expected maximum temperature is expected to mirror November's typical high of 29.7°C.
Sunrise will be at 06:10 and sunset at 17:32; tomorrow's daylight will last for 11h and 22min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 33°C.
Coldest period: 0h - 3h 24°C.

Chance of precipitation

Highest chance: 12h 96%.

Hourly weather forecast

  • 0h
  • 24°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hN 4°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 2h
  • 24°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 7km/hN 5°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 4h
  • 24°C
  • Feels like:
    26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 8km/hNNE 17°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 6h
  • 23°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 8km/hN 9°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Sunrise: 06:10
  • 8h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 18°
  • Humidity: 82%
  • Pressure: 1014mbar
  • Visibility: 15km
  • UV index: 1
  • ▼
  • 10h
  • 29°C
  • Feels like:
    33°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 38%
  • Precipitation: 1mm
  • Wind: 6km/hESE 115°
  • Humidity: 73%
  • Pressure: 1015mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 12h
  • 28°C
  • Feels like:
    33°C
Heavy Thunderstorms
Heavy Thunderstorms
  • Precip. probability: 96%
  • Precipitation: 9mm
  • Wind: 9km/hE 95°
  • Humidity: 76%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 4
  • ▼
  • 14h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 93%
  • Precipitation: 5mm
  • Wind: 10km/hESE 101°
  • Humidity: 81%
  • Pressure: 1013mbar
  • Visibility: 3km
  • UV index: 1
  • ▼
  • 16h
  • 27°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 1mm
  • Wind: 10km/hE 100°
  • Humidity: 83%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Sunset: 17:32
  • 18h
  • 26°C
  • Feels like:
    29°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 9km/hE 82°
  • Humidity: 87%
  • Pressure: 1014mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 20h
  • 25°C
  • Feels like:
    28°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 8km/hNE 45°
  • Humidity: 87%
  • Pressure: 1015mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    28°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 7km/hN 5°
  • Humidity: 87%
  • Pressure: 1015mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of cloudy, stormy and rain-filled weather is forecasted.
Rain is anticipated from 10h to 18h. With elevated precipitation of 11mm, most rainfall is expected at 13h.
The temperature will vary between the lowest temperature of 23°C and the highest temperature of 29°C. The feels-like temperature will vary between a minimum of 24°C and a maximum of 33°C. The hottest part of the day will be at 10h and 11h.
The maximum temperature will be similar to November's average highest temperature of 29.7°C. The night temperature will be also in line with the standard November low of 22.5°C.
Updated: Nov 9, 2026 @ 01:15:30 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, powerful thunderstorms will bring heavy rain and gusty winds.

Increased precipitation of 28mm is expected with a high probability in Grantham.

Tomorrow, the maximum temperature will be 29°C, while the minimum temperature will be 23°C. The maximum heat index, which combines relative humidity and air temperature, is appraised at 35°C.
The maximum temperature will be in line with the average highest temperature of 29.7°C in November. The lowest temperature will be also in line with the average low of 22.5°C.

On Monday, in Grantham, sunrise will be at 06:10 and sunset at 17:32 (EST).

Tomorrow, the daylight will last for 11h and 22min.