Weather forecast for 10 daysGuam, USA

Weather forecast for the weekend

Saturday Oct 24, 2026

  • 88°F
  • 79°F
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 0.12"
  • Wind: 10mphE 92°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:13 am ChST
  • Sunset: 5:57 pm ChST
  • ▼
On Saturday, in Hagåtña, expect intermittent showers, with dry spells in between.
Minimal precipitation is forecasted for today. A modest temperature shift from a humid 87.8°F at its peak to a temperate 78.8°F at its lowest point is predicted.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at a scorching 104°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.
Today's temperature is anticipated to match October's standard peak of 84.4°F.
Sunrise was at 6:13 am and sunset will be at 5:57 pm; the daylight will last for 11h and 44min.

Sunday Oct 25, 2026

  • 86°F
  • 79°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.12"
  • Wind: 9mphE 85°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 6:13 am ChST
  • Sunset: 5:56 pm ChST
  • ▼
Tomorrow, in Hagåtña, expect showers at times, with periods of lighter rain during the day.
Minimal precipitation is anticipated. A narrow temperature span is expected, from a high of a tropical 86°F to a low of a moderately hot 78.8°F.
The maximum heat index, which combines relative humidity and air temperature, is computed to be a sizzling 100.4°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 temperature will be in line with October's average maximum of 84.4°F.
Sunrise will be at 6:13 am and sunset at 5:56 pm; tomorrow's daylight will last for 11h and 44min.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • 88°F
  • 79°F
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 0.12"
  • Wind: 10mphE 92°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 6:13 am ChST
  • Sunset: 5:57 pm ChST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 86°F
  • 79°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.12"
  • Wind: 9mphE 85°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 6:13 am ChST
  • Sunset: 5:56 pm ChST
  • ▼
  • Monday
  • Oct 26, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphE 84°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 6:13 am ChST
  • Sunset: 5:56 pm ChST
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 88°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 7mphENE 74°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 6:13 am ChST
  • Sunset: 5:56 pm ChST
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphENE 60°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 6:13 am ChST
  • Sunset: 5:55 pm ChST
  • ▼
  • Thursday
  • Oct 29, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphNE 55°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 6:14 am ChST
  • Sunset: 5:55 pm ChST
  • ▼
  • Friday
  • Oct 30, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 8mphNE 42°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 6:14 am ChST
  • Sunset: 5:54 pm ChST
  • ▼
  • Saturday
  • Oct 31, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphENE 67°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 6:14 am ChST
  • Sunset: 5:54 pm ChST
  • ▼
  • Sunday
  • Nov 1, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 7mphNE 40°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 6:15 am ChST
  • Sunset: 5:54 pm ChST
  • ▼
  • Monday
  • Nov 2, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphNE 43°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 6:15 am ChST
  • Sunset: 5:53 pm ChST
  • ▼
For the coming ten days, primarily dull and occasionally rain-soaked weather is predicted.
With minimal precipitation of 0.12", rain is predicted for Saturday and Sunday.
The maximum temperature will be almost identical in the coming days. Highs will range from 86°F to 87.8°F, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature will fluctuate between 77°F and 78.8°F.
The hottest days will be Saturday and Tuesday, with a maximum of 87.8°F; all other days, the highest temperature will be 86°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and range between a torrid 96.8°F and an extremely hot 104°F.
Updated: Oct 23, 2026 @ 21:51:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, showers are expected at times, with breaks in the rain later in the day.

Today, there is a low chance of minimal precipitation in Hagåtña.

Today, the highest temperature will be 87.8°F, while the lowest temperature will be 78.8°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 104°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be a couple of degrees lower than the average low of 82.6°F.

On Saturday, in Hagåtña, sunrise was at 6:13 am and sunset will be at 5:57 pm (ChST).

In Hagåtña, the length of the day today will be 11h and 44min.

Tomorrow, expect showers through the day, with the rain easing off by evening.

Tomorrow, there is a low chance of minimal precipitation in Hagåtña.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 78.8°F. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 100.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.

On Sunday, in Hagåtña, sunrise will be at 6:13 am and sunset at 5:56 pm (ChST).

Tomorrow, the daylight will last for 11h and 44min.