Weather forecast for tomorrowHagåtña, GU
Weather forecast for tomorrow
Monday Oct 19, 2026
- 82°F
- 79°F
Showers / Wind
- Precip. probability: 72%
- Precipitation: 0.47"
- Wind: 21mphSSE 148°
- Humidity: 89%
- UV index: 6
- Sunrise: 6:12 am ChST
- Sunset: 5:59 pm ChST
- details ▼
Tomorrow, on Monday, there will be short bursts of rain with windy weather also later in the day.
The likelihood of rainfall is high, and precipitation will be moderate. A slight fluctuation in temperature is expected, achieving a maximum of a warm 82.4°F and dipping to a minimum of a temperate 78.8°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be a hot 93.2°F. Note that heat index values are valued for light wind and location in the shade.
This forecasted maximum temperature is expected to mirror October's typical high of 84.4°F.
Sunrise will be at 6:12 am and sunset at 5:59 pm; tomorrow's daylight will last for 11h and 48min.
The likelihood of rainfall is high, and precipitation will be moderate. A slight fluctuation in temperature is expected, achieving a maximum of a warm 82.4°F and dipping to a minimum of a temperate 78.8°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be a hot 93.2°F. Note that heat index values are valued for light wind and location in the shade.
This forecasted maximum temperature is expected to mirror October's typical high of 84.4°F.
Sunrise will be at 6:12 am and sunset at 5:59 pm; tomorrow's daylight will last for 11h and 48min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 93°C.
Coldest hour: 3 am 88°C.
Coldest hour: 3 am 88°C.
Chance of precipitation
Highest chance: 12 pm 69%.
Hourly weather forecast
- 12 am
- 81°F
- Feels like:90°F
Showers / Wind
- Precip. probability: 62%
- Precipitation: 0.08"
- Wind: 21mphSE 139°
- Humidity: 90%
- Pressure: 29.71"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 2 am
- 81°F
- Feels like:88°F
Showers / Wind
- Precip. probability: 50%
- Precipitation: 0.08"
- Wind: 22mphSE 140°
- Humidity: 91%
- Pressure: 29.71"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 4 am
- 79°F
- Feels like:88°F
Showers / Wind
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 20mphSE 140°
- Humidity: 93%
- Pressure: 29.71"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 6 am
- 81°F
- Feels like:90°F
Showers
- Precip. probability: 44%
- Precipitation: 0.04"
- Wind: 18mphSE 145°
- Humidity: 90%
- Pressure: 29.74"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 6:12 am
- 8 am
- 81°F
- Feels like:90°F
Showers
- Precip. probability: 47%
- Precipitation: 0.04"
- Wind: 19mphSSE 151°
- Humidity: 92%
- Pressure: 29.8"Hg
- Visibility: 6mi
- UV index: 1
- details ▼
- 10 am
- 82°F
- Feels like:91°F
Showers / Wind
- Precip. probability: 47%
- Precipitation: 0.04"
- Wind: 20mphSSE 150°
- Humidity: 90%
- Pressure: 29.83"Hg
- Visibility: 7mi
- UV index: 4
- details ▼
- 12 pm
- 82°F
- Feels like:91°F
Showers / Wind
- Precip. probability: 69%
- Precipitation: 0.08"
- Wind: 21mphSSE 154°
- Humidity: 88%
- Pressure: 29.8"Hg
- Visibility: 7mi
- UV index: 6
- details ▼
- 2 pm
- 82°F
- Feels like:93°F
Showers
- Precip. probability: 47%
- Precipitation: 0.04"
- Wind: 19mphSE 146°
- Humidity: 88%
- Pressure: 29.77"Hg
- Visibility: 7mi
- UV index: 4
- details ▼
- 4 pm
- 82°F
- Feels like:91°F
Showers
- Precip. probability: 45%
- Precipitation: 0.04"
- Wind: 17mphSE 146°
- Humidity: 88%
- Pressure: 29.8"Hg
- Visibility: 6mi
- UV index: 1
- details ▼
Sunset: 5:59 pm
- 6 pm
- 81°F
- Feels like:91°F
Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 14mphSE 141°
- Humidity: 88%
- Pressure: 29.83"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 8 pm
- 81°F
- Feels like:90°F
Showers
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 12mphSE 129°
- Humidity: 90%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 81°F
- Feels like:90°F
Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 12mphSE 128°
- Humidity: 91%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily wet and occasionally gloomy weather is forecasted.
Rainfall is expected from 12 am to 8 am, and from 10 am to 6 pm, 8 pm and at 9 pm. The most intense rain will be falling from 12 am to 2 am, 7 am, and from 11 am to 1 pm and at 3 pm.
The temperature difference throughout the day will be indistinguishable, with a minimum of 78.8°F and a maximum of 82.4°F. The feels-like temperature difference will be indistinguishable, with the lowest temperature of 87.8°F and the highest temperature of 93.2°F. The warmest part of the day will be from 9 am to 5 pm.
The maximum temperature will be comparable to October's average highest temperature of 84.4°F. The lowest temperature is expected to be also slightly cooler than the average minimum in October, typically 82.6°F.
Rainfall is expected from 12 am to 8 am, and from 10 am to 6 pm, 8 pm and at 9 pm. The most intense rain will be falling from 12 am to 2 am, 7 am, and from 11 am to 1 pm and at 3 pm.
The temperature difference throughout the day will be indistinguishable, with a minimum of 78.8°F and a maximum of 82.4°F. The feels-like temperature difference will be indistinguishable, with the lowest temperature of 87.8°F and the highest temperature of 93.2°F. The warmest part of the day will be from 9 am to 5 pm.
The maximum temperature will be comparable to October's average highest temperature of 84.4°F. The lowest temperature is expected to be also slightly cooler than the average minimum in October, typically 82.6°F.
Updated: Oct 18, 2026 @ 05:56:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Monday, windy weather accompanied by showers are expected.
Moderate precipitation of 0.47" is anticipated. The possibility of rainfall is 72%.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 78.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 93.2°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 Monday, in Hagåtña, sunrise will be at 6:12 am and sunset at 5:59 pm (ChST).
In Hagåtña, the length of the day tomorrow will be 11h and 48min.





