Weather forecast for tomorrowGuam, USA

Weather forecast for tomorrow

Wednesday Nov 4, 2026

  • 88°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 11mphENE 78°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:15 am ChST
  • Sunset: 5:53 pm ChST
  • ▼
Tomorrow, dry and sunny weather is expected throughout the day.
Temperature shifts will be minor, from a high of a blazing 87.8°F to a low of a moderately hot 78.8°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a torridly hot 104°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated daily high is projected to match November's typical maximum of 84.2°F.
Sunrise will be at 6:15 am and sunset at 5:53 pm; tomorrow's daylight will last for 11h and 37min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 97°C.
Coldest period: 3 am - 6 am 88°C.

Chance of precipitation

Highest chance: 9 am 17%.

Hourly weather forecast

  • 12 am
  • 81°F
  • Feels like:
    90°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphE 97°
  • Humidity: 88%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 81°F
  • Feels like:
    88°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphE 86°
  • Humidity: 89%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 81°F
  • Feels like:
    88°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphE 88°
  • Humidity: 89%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 81°F
  • Feels like:
    88°F
Mostly Clear
Mostly Clear
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 4mphE 79°
  • Humidity: 89%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:15 am
  • 8 am
  • 82°F
  • Feels like:
    93°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphE 80°
  • Humidity: 84%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 10 am
  • 84°F
  • Feels like:
    95°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 9mphE 85°
  • Humidity: 78%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 12 pm
  • 86°F
  • Feels like:
    97°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphE 86°
  • Humidity: 72%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 11
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    97°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphENE 77°
  • Humidity: 74%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 8
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 10mphENE 74°
  • Humidity: 76%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
Sunset: 5:53 pm
  • 6 pm
  • 82°F
  • Feels like:
    91°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphENE 72°
  • Humidity: 84%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 82°F
  • Feels like:
    91°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphENE 69°
  • Humidity: 85%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    90°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphENE 69°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of sunny and cloudy weather is predicted.
The temperature difference will be indistinguishable, with a minimum of 80.6°F and a maximum of 86°F. The feels-like temperature will vary between a minimum of 87.8°F and a maximum of 98.6°F. The hottest part of the day will be from 11 am to 3 pm.
The high temperature is expected to be alike with November's usual value of 84.2°F. Forecasts indicate a night temperature also a few degrees lower than the usual November minimum of 82.8°F.
Updated: Nov 3, 2026 @ 02:36:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, predominantly sunny weather will make for pleasant outdoor conditions.

Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 78.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 104°F.
The maximum temperature will be in line with the average highest temperature of 84.2°F in November. The lowest temperature will be a few degrees lower than the average low of 82.8°F.

On Wednesday, in Hagåtña, sunrise will be at 6:15 am and sunset at 5:53 pm (ChST).

In Hagåtña, tomorrow, there will be 11h and 37min of daylight.