Weather forecast for 10 daysGuam, USA
Guam, USA - most visited locations
Weather forecast for the weekend
Saturday Oct 24, 2026
- 88°F
- 79°F
PM Showers
- Precip. probability: 37%
- Precipitation: 0.12"
- Wind: 9mphE 91°
- Humidity: 77%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
On Saturday, in Hagåtña, expect light rain showers during the afternoon, though they should remain brief.
Minimal precipitation is anticipated for today. The temperature is forecasted to vary slightly from a high of a tropical 87.8°F to a low of a temperate 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a torridly hot 104°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 highest temperature is expected to follow the average for October, around 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.
Minimal precipitation is anticipated for today. The temperature is forecasted to vary slightly from a high of a tropical 87.8°F to a low of a temperate 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a torridly hot 104°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 highest temperature is expected to follow the average for October, around 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
AM Showers
- Precip. probability: 48%
- Precipitation: 0.12"
- Wind: 10mphE 86°
- Humidity: 82%
- UV index: 10
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
On Sunday, October 25, morning showers are expected.
Minimal precipitation is predicted for tomorrow. Modest temperature shifts from a high of a hot 86°F to a low of a moderately hot 78.8°F are anticipated.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is evaluated at a fiery hot 100.4°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.
Tomorrow, the forecasted high will correspond with the regular October temperature 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 predicted for tomorrow. Modest temperature shifts from a high of a hot 86°F to a low of a moderately hot 78.8°F are anticipated.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is evaluated at a fiery hot 100.4°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.
Tomorrow, the forecasted high will correspond with the regular October temperature 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
PM Showers
- Precip. probability: 37%
- Precipitation: 0.12"
- Wind: 9mphE 91°
- Humidity: 77%
- 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: 48%
- Precipitation: 0.12"
- Wind: 10mphE 86°
- Humidity: 82%
- UV index: 10
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Monday
- Oct 26, 2026
- 88°F
- 79°F
Few Showers
- Precip. probability: 32%
- Precipitation: 0.08"
- Wind: 13mphE 86°
- Humidity: 79%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Tuesday
- Oct 27, 2026
- 88°F
- 77°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphENE 72°
- Humidity: 75%
- 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: 6mphENE 60°
- Humidity: 80%
- 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: 11%
- 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: 18%
- Precipitation: 0"
- Wind: 8mphNE 41°
- 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: 19%
- Precipitation: 0"
- Wind: 7mphENE 64°
- 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: 10%
- Precipitation: 0"
- Wind: 7mphNE 39°
- 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: 17%
- Precipitation: 0"
- Wind: 9mphNE 43°
- Humidity: 77%
- UV index: 11
- Sunrise: 6:15 am ChST
- Sunset: 5:53 pm ChST
- details ▼
Forecasts for the ten-day outlook show that a combination of gloomy and damp weather is anticipated.
Rain is predicted for Saturday through Monday. The days with the most rainfall will be Saturday and Sunday, with minimal precipitation of 0.12".
The maximum temperature will be very similar during the next few days. Maximum temperatures will fall between 86°F and 87.8°F, while the lowest nighttime temperatures will be also relatively consistent, as the overnight low will fall between 77°F and 78.8°F.
Saturday, Monday and Tuesday, with the highest temperature of 87.8°F, will be the hottest days in Hagåtña; for the remaining days, the highest temperature will consistently be 86°F.
Combining with the humidity, the maximum feel-like temperature may increase considerably and vary between a very hot 96.8°F and an extremely hot 105.8°F.
Rain is predicted for Saturday through Monday. The days with the most rainfall will be Saturday and Sunday, with minimal precipitation of 0.12".
The maximum temperature will be very similar during the next few days. Maximum temperatures will fall between 86°F and 87.8°F, while the lowest nighttime temperatures will be also relatively consistent, as the overnight low will fall between 77°F and 78.8°F.
Saturday, Monday and Tuesday, with the highest temperature of 87.8°F, will be the hottest days in Hagåtña; for the remaining days, the highest temperature will consistently be 86°F.
Combining with the humidity, the maximum feel-like temperature may increase considerably and vary between a very hot 96.8°F and an extremely hot 105.8°F.
Updated: Oct 23, 2026 @ 23:50:23 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, patchy afternoon showers could develop as the clouds thicken.
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 integrates air moisture with ambient temperature, is computed to be 104°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be a couple of degrees lower 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 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.
On Sunday, wet conditions with brief showers are expected early in the day.
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 calculates the temperature value influenced by the moisture in the air, is calculated to be 100.4°F.
The highest temperature will be in line with the average maximum of 84.4°F in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.
The highest temperature will be in line with the average maximum of 84.4°F in October. Tomorrow, the lowest temperature will be moderately 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, Guam, tomorrow, there will be 11h and 44min of daylight.





