Weather forecast for tomorrowHagåtña, GU

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 82°F
  • 79°F
Showers / Wind
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
  • ▼
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.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 93°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
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 21mphSE 139°
  • Humidity: 90%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 81°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 50%
  • Precipitation: 0.08"
  • Wind: 22mphSE 140°
  • Humidity: 91%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 79°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 20mphSE 140°
  • Humidity: 93%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 18mphSE 145°
  • Humidity: 90%
  • Pressure: 29.74"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:12 am
  • 8 am
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 19mphSSE 151°
  • Humidity: 92%
  • Pressure: 29.8"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    91°F
Showers / Wind
Showers / Wind
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 20mphSSE 150°
  • Humidity: 90%
  • Pressure: 29.83"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    91°F
Showers / Wind
Showers / Wind
  • Precip. probability: 69%
  • Precipitation: 0.08"
  • Wind: 21mphSSE 154°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 6
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    93°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 19mphSE 146°
  • Humidity: 88%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    91°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Wind: 17mphSE 146°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 81°F
  • Feels like:
    91°F
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 0.04"
  • Wind: 14mphSE 141°
  • Humidity: 88%
  • Pressure: 29.83"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 8 pm
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 12mphSE 129°
  • Humidity: 90%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    90°F
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 12mphSE 128°
  • Humidity: 91%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
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.
Updated: Oct 18, 2026 @ 05:56:27 UTC
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.

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.