Weather forecast for 10 daysGuam, USA
Guam, USA - most visited locations
Weather forecast for the weekend
Saturday Oct 24, 2026
- 88°F
- 79°F
Showers
- Precip. probability: 37%
- Precipitation: 0.12"
- Wind: 10mphE 93°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
Today, expect intermittent showers, with dry spells in between.
Minimal precipitation is expected. Temperature measurements will peak at a humid 87.8°F, with a slight decrease to a low of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at an extremely hot 105.8°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.
Today's highest temperature is anticipated to match the regular high for October at 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 expected. Temperature measurements will peak at a humid 87.8°F, with a slight decrease to a low of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at an extremely hot 105.8°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.
Today's highest temperature is anticipated to match the regular high for October at 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
Showers
- Precip. probability: 47%
- Precipitation: 0.12"
- Wind: 9mphE 82°
- Humidity: 82%
- UV index: 10
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
Tomorrow, showers are expected at times, with breaks in the rain later in the day.
Minimal precipitation is forecasted. Temperature measurements will peak at a blazing 86°F, with a slight decrease to a low of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a fiery hot 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will align with October's usual high 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 forecasted. Temperature measurements will peak at a blazing 86°F, with a slight decrease to a low of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a fiery hot 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will align with October's usual high 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
- Precip. probability: 37%
- Precipitation: 0.12"
- Wind: 10mphE 93°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
- Sunday
- Oct 25, 2026
- 86°F
- 79°F
Showers
- Precip. probability: 47%
- Precipitation: 0.12"
- Wind: 9mphE 82°
- Humidity: 82%
- UV index: 10
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Monday
- Oct 26, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphE 84°
- Humidity: 79%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Tuesday
- Oct 27, 2026
- 88°F
- 79°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphENE 77°
- Humidity: 74%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Wednesday
- Oct 28, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphENE 62°
- Humidity: 79%
- 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: 14%
- Precipitation: 0"
- Wind: 11mphNE 55°
- 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: 21%
- Precipitation: 0"
- Wind: 9mphNE 46°
- 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: 14%
- Precipitation: 0"
- Wind: 7mphENE 65°
- 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: 11%
- Precipitation: 0"
- Wind: 7mphNE 42°
- Humidity: 76%
- UV index: 11
- Sunrise: 6:15 am ChST
- Sunset: 5:54 pm ChST
- details ▼
- Monday
- Nov 2, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphNE 49°
- Humidity: 77%
- UV index: 11
- Sunrise: 6:15 am ChST
- Sunset: 5:53 pm ChST
- details ▼
During the upcoming ten-day period, primarily dull and occasionally showery weather is anticipated.
With minimal precipitation of 0.12", rain is expected on Saturday and Sunday.
The temperature shift across days will be subtle across the forecast window. Expected highs will hover between 86°F and 87.8°F, while the minimum remains unchanged, holding at 78.8°F.
The hottest days in Hagåtña will be Saturday and Tuesday, with a maximum of 87.8°F; for the remaining days, the highest temperature will consistently be 86°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between a very hot 96.8°F and a blistering 105.8°F.
With minimal precipitation of 0.12", rain is expected on Saturday and Sunday.
The temperature shift across days will be subtle across the forecast window. Expected highs will hover between 86°F and 87.8°F, while the minimum remains unchanged, holding at 78.8°F.
The hottest days in Hagåtña will be Saturday and Tuesday, with a maximum of 87.8°F; for the remaining days, the highest temperature will consistently be 86°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between a very hot 96.8°F and a blistering 105.8°F.
Updated: Oct 23, 2026 @ 20:03:22 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, showers will pass through, with occasional dry intervals.
Today, there is a low probability of minimal rainfall in Hagåtña.
Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 78.8°F. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 105.8°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 82.6°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler 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, showers will pass through, with occasional dry intervals.
Tomorrow, there is a low chance of minimal precipitation in Hagåtña.
Tomorrow, the highest temperature will be 86°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 100.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow 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. The lowest temperature tomorrow 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).
Tomorrow, the daylight will last for 11h and 44min.





