Weather forecast for 10 daysUmatac, GU

Weather forecast for the weekend

Sunday Nov 8, 2026

  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 15mphENE 77°
  • Humidity: 79%
  • UV index: 10
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
Tomorrow, high-altitude clouds may scatter across the sky, but the sun will still shine.
A modest fluctuation in temperature is predicted, achieving a maximum of a hot 86°F and dipping to a minimum of a moderately hot 78.8°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at a steamy 98.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's top temperature will adhere to the average November high temperature of 84.2°F.
Sunrise will be at 6:17 am and sunset at 5:52 pm; tomorrow's daylight will last for 11h and 35min.

10-day overview

Daily temperatures

Warmest period: tomorrow - Monday 86°C.
Coldest period: tomorrow - Monday 86°C.

Chance of precipitation

Highest chance: 24%.

Long-term weather forecast

  • Saturday
  • Nov 7, 2026
  • min.
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 8mphENE 62°
  • Humidity: 87%
  • UV index: 0
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 15mphENE 77°
  • Humidity: 79%
  • UV index: 10
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Monday
  • Nov 9, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 16mphENE 68°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Tuesday
  • Nov 10, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 13mphE 91°
  • Humidity: 78%
  • UV index: 10
  • Sunrise: 6:18 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Wednesday
  • Nov 11, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphENE 74°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:18 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 86°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 12mphNE 54°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:19 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Friday
  • Nov 13, 2026
  • 86°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphENE 59°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:19 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Saturday
  • Nov 14, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphENE 59°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 6:19 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Sunday
  • Nov 15, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 16mphENE 68°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 6:20 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Monday
  • Nov 16, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 16mphENE 74°
  • Humidity: 79%
  • UV index: 10
  • Sunrise: 6:20 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
For the coming ten days, primarily cloud-filled and occasionally mostly clear weather is predicted.
With a 24% probability, rainfall is forecasted only for next Monday. The precipitation will be minimal at 0.08".
In the upcoming period, the highest temperature will be a persistent 86°F, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature is expected to range between 77°F and 78.8°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and vary between a steamy 98.6°F and a sweltering 98.6°F.
Updated: Nov 7, 2026 @ 10:32:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Umatac, clouds and sunshine will create a dynamic sky throughout the day.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 78.8°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 98.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in November. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.

On Sunday, in Umatac, sunrise will be at 6:17 am and sunset at 5:52 pm (ChST).

In Umatac, Guam, the length of the day tomorrow will be 11h and 35min.