Weather forecast for 10 daysUmatac, GU

Weather forecast for the weekend

Saturday Nov 7, 2026

  • 88°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphESE 105°
  • Humidity: 69%
  • UV index: 4
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
Today, a low, thick cloud deck is likely to persist.
Temperatures are anticipated to peak at a hot 87.8°F and drop to a minimum of a temperate 77°F.
The maximum heat index, which adjusts the air temperature based on humidity, is assessed at a steamy 98.6°F. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The high temperature is anticipated to match November's standard maximum of 84.2°F.
Sunrise was at 6:17 am and sunset will be at 5:52 pm; the daylight will last for 11h and 36min.

Sunday Nov 8, 2026

  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 14mphENE 75°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
Tomorrow, in Umatac, expect partly sunny skies with periods of cloudiness.
Temperatures will experience a minor oscillation, reaching a high of a humid 86°F and dropping to a low of a warm 80.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at a sweltering 98.6°F. 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's top temperature is set to align with the common November high 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 day: today 88°C.
Coldest day: Wednesday 84°C.

Chance of precipitation

Highest chance: Friday - Monday 24%.

Long-term weather forecast

  • Saturday
  • Nov 7, 2026
  • 88°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphESE 105°
  • Humidity: 69%
  • UV index: 4
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 14mphENE 75°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Monday
  • Nov 9, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0.08"
  • Wind: 17mphENE 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: 11%
  • Precipitation: 0"
  • Wind: 13mphE 87°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 6:18 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Wednesday
  • Nov 11, 2026
  • 84°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • 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: 19%
  • Precipitation: 0"
  • Wind: 13mphNE 54°
  • Humidity: 79%
  • 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: 14mphENE 62°
  • 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: 15mphENE 61°
  • Humidity: 78%
  • 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: 24%
  • Precipitation: 0"
  • Wind: 16mphENE 67°
  • Humidity: 78%
  • 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 70°
  • Humidity: 80%
  • UV index: 10
  • Sunrise: 6:20 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
Primarily overcast and occasionally bright weather is predicted.
With minimal precipitation of 0.08", rain is predicted for Monday and next Monday.
Highs will stay within a very narrow margin over the next several days. Highs will range from 84.2°F to 87.8°F, while the nighttime low will be also mostly stable, as the overnight low will fall between 77°F and 80.6°F.
The hottest day is today, with a maximum temperature of 87.8°F; the coldest day will be Wednesday, with a maximum of 84.2°F.
Including the humidity's impact, the maximum feel-like temperature may increase greatly and range between a very hot 95°F and a torrid 100.4°F.
Updated: Nov 7, 2026 @ 04:59:17 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Umatac, expect a partly sunny afternoon with variable cloud cover.

Tomorrow, the highest temperature in Umatac, Guam, will be 86°F, while the lowest temperature will be 80.6°F. The maximum heat index, which combines relative humidity and air temperature, is computed to be 98.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in November. Tomorrow, the lowest temperature will be also in line with the average low temperature.

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

Tomorrow, the daylight will last for 11h and 35min.