Weather forecast for 10 daysGuam, USA
Guam, USA - most visited locations
Weather forecast for the weekend
Saturday Oct 24, 2026
- 86°F
- 79°F
Showers
- Precip. probability: 36%
- Precipitation: 0"
- Wind: 9mphE 92°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
On Saturday, in Hagåtña, expect showers with brief dry periods, especially during the afternoon.
Minimal precipitation is anticipated for today. Temperature shifts will be minor, from a high of a tropical 86°F to a low of a warm 78.8°F.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a sweltering 100.4°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 forecasted high will be in line with October's typical peak of 84.4°F.
Sunrise will be at 6:13 am and sunset at 5:57 pm; the daylight will last for 11h and 44min.
Minimal precipitation is anticipated for today. Temperature shifts will be minor, from a high of a tropical 86°F to a low of a warm 78.8°F.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a sweltering 100.4°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 forecasted high will be in line with October's typical peak of 84.4°F.
Sunrise will be at 6:13 am and sunset at 5:57 pm; the daylight will last for 11h and 44min.
Sunday Oct 25, 2026
- 86°F
- 79°F
AM Showers
- Precip. probability: 43%
- Precipitation: 0.08"
- Wind: 9mphE 88°
- Humidity: 83%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
On Sunday, in Hagåtña, occasional light showers are also possible in the morning hours.
Minimal precipitation is expected for tomorrow. Minor temperature shifts are anticipated, peaking at a maximum of a hot 86°F and dropping to a minimum of a warm 78.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is assessed at a steamy 102.2°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.
Tomorrow's high temperature will mirror the usual October 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.
Minimal precipitation is expected for tomorrow. Minor temperature shifts are anticipated, peaking at a maximum of a hot 86°F and dropping to a minimum of a warm 78.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is assessed at a steamy 102.2°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.
Tomorrow's high temperature will mirror the usual October 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
- 86°F
- 79°F
Showers
- Precip. probability: 36%
- Precipitation: 0"
- Wind: 9mphE 92°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
- Sunday
- Oct 25, 2026
- 86°F
- 79°F
AM Showers
- Precip. probability: 43%
- Precipitation: 0.08"
- Wind: 9mphE 88°
- Humidity: 83%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Monday
- Oct 26, 2026
- 86°F
- 79°F
AM Showers
- Precip. probability: 39%
- Precipitation: 0.08"
- Wind: 13mphE 84°
- Humidity: 80%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Tuesday
- Oct 27, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0.08"
- Wind: 7mphE 79°
- Humidity: 76%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Wednesday
- Oct 28, 2026
- 86°F
- 79°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphNE 53°
- Humidity: 78%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:55 pm ChST
- details ▼
- Thursday
- Oct 29, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 12mphNE 52°
- Humidity: 77%
- UV index: 11
- Sunrise: 6:14 am ChST
- Sunset: 5:55 pm ChST
- details ▼
- Friday
- Oct 30, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphNE 47°
- Humidity: 75%
- UV index: 11
- Sunrise: 6:14 am ChST
- Sunset: 5:54 pm ChST
- details ▼
- Saturday
- Oct 31, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphE 92°
- Humidity: 76%
- UV index: 11
- Sunrise: 6:14 am ChST
- Sunset: 5:54 pm ChST
- details ▼
- Sunday
- Nov 1, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphNE 53°
- Humidity: 77%
- UV index: 10
- Sunrise: 6:15 am ChST
- Sunset: 5:54 pm ChST
- details ▼
- Monday
- Nov 2, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphNE 55°
- Humidity: 78%
- UV index: 11
- Sunrise: 6:15 am ChST
- Sunset: 5:53 pm ChST
- details ▼
gloomy, damp and dry and sunny weather is predicted.
Rainfall is expected on Sunday and Monday. The days with the most rainfall will be Sunday through Tuesday, with minimal precipitation of 0.08".
During the next few days, the high will remain stable at 86°F, showing no signs of change, 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 sizzling 96.8°F and a fiery hot 102.2°F.
Rainfall is expected on Sunday and Monday. The days with the most rainfall will be Sunday through Tuesday, with minimal precipitation of 0.08".
During the next few days, the high will remain stable at 86°F, showing no signs of change, 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 sizzling 96.8°F and a fiery hot 102.2°F.
Updated: Oct 23, 2026 @ 14:02:31 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Hagåtña, light showers are likely, with some brief dry spells throughout the day.
Today, there is a low chance of minimal precipitation in Hagåtña.
Today, the highest temperature will be 86°F, while the lowest temperature will be 78.8°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 100.4°F.
The maximum temperature will be in line with the average highest temperature of 84.4°F in October. The lowest temperature will be a few degrees lower than the average low of 82.6°F.
The maximum temperature will be in line with the average highest temperature of 84.4°F in October. The lowest temperature will be a few degrees lower than the average low of 82.6°F.
On Saturday, in Hagåtña, sunrise will be at 6:13 am and sunset at 5:57 pm (ChST).
In Hagåtña, the length of the day today will be 11h and 44min.
Tomorrow, occasional showers are expected in the morning.
Tomorrow, there is a low probability of minimal rainfall in Hagåtña.
Tomorrow, the maximum temperature in Hagåtña, Guam, will be 86°F, while the minimum temperature will be 78.8°F. The maximum heat index, which combines air temperature and relative humidity, is estimated at 102.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Sunday, in Hagåtña, sunrise will be at 6:13 am and sunset at 5:56 pm (ChST).
In Hagåtña, tomorrow, there will be 11h and 44min of daylight.





