Weather forecast for 10 daysUmatac, GU

Weather forecast for the weekend

Saturday Nov 7, 2026

  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 8mphESE 115°
  • Humidity: 74%
  • UV index: 10
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
On Saturday, November 7, moderate cloud cover will mix with sunshine throughout the day.
Minor temperature variations are expected, peaking at a maximum of a tropical 86°F and dropping to a minimum of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at a sweltering 96.8°F. 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.
The expected daytime maximum should align with the typical November high of 84.2°F.
Sunrise will be at 6:17 am and sunset at 5:52 pm; the daylight will last for 11h and 36min.

Sunday Nov 8, 2026

  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphENE 78°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:17 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
Tomorrow, in Umatac, some passing clouds may drift through, but the sun will shine at times.
A daytime temperature reaching up to a hot 86°F will subtly contrast with a nighttime low of a warm 78.8°F.
The maximum heat index, which combines relative humidity and air temperature, is appraised at a torrid 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 forecasted high will be in line with November's typical peak 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: today - Monday 86°C.
Coldest period: today - Monday 86°C.

Chance of precipitation

Highest chance: Monday 16.11. 24%.

Long-term weather forecast

  • Saturday
  • Nov 7, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 8mphESE 115°
  • Humidity: 74%
  • UV index: 10
  • 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: 14mphENE 78°
  • Humidity: 78%
  • 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: 14%
  • Precipitation: 0"
  • Wind: 16mphENE 67°
  • Humidity: 78%
  • 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: 16%
  • Precipitation: 0"
  • Wind: 12mphE 84°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:18 am ChST
  • Sunset: 5:52 pm ChST
  • ▼
  • Wednesday
  • Nov 11, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 11mphENE 72°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:18 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 13mphNE 56°
  • 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: 23%
  • Precipitation: 0"
  • Wind: 13mphENE 60°
  • 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: 22%
  • Precipitation: 0"
  • Wind: 15mphENE 62°
  • 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: 20%
  • Precipitation: 0.08"
  • Wind: 16mphENE 66°
  • 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 71°
  • Humidity: 80%
  • UV index: 10
  • Sunrise: 6:20 am ChST
  • Sunset: 5:51 pm ChST
  • ▼
Weather models show that primarily cloud-filled and occasionally dry and sunny weather is anticipated.
With minimal precipitation of 0.08", rainfall is anticipated on next Sunday and Monday.
In the upcoming days, the maximum temperature will stay unchanged, holding at 86°F, while the lowest temperature will also remain constant at 78.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and vary between a very hot 96.8°F and a sizzling 100.4°F.
Updated: Nov 6, 2026 @ 18:31:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, variable cloud cover will persist, but sunshine will break through.

Today, the highest temperature will be 86°F, while the lowest temperature will be 78.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is appraised at 96.8°F.
The maximum temperature today will be in line with the average highest temperature in November. The lowest temperature will be relatively lower than the average low of 82.8°F.

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

In Umatac, today, there will be 11h and 36min of daylight.

On Sunday, high-altitude clouds may scatter across the sky, but the sun will still shine.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 78.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated 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 moderately lower 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.