Weather forecast for tomorrowDededo, GU

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 81°F
  • 79°F
Showers / Wind
Showers / Wind
  • Precip. probability: 74%
  • Precipitation: 4.37"
  • Wind: 22mphSSE 150°
  • Humidity: 89%
  • UV index: 6
  • Sunrise: 6:11 am ChST
  • Sunset: 5:59 pm ChST
  • ▼
Tomorrow, showers and windy weather are anticipated, particularly in the late afternoon.
Extreme precipitation of 4.37" is expected. The daytime temperature will peak at a temperate 80.6°F, slightly differing from the night's low of a moderately hot 78.8°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be a blazing 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s highest temperature is forecasted to be moderately lower than the standard October average of 84.4°F.
Sunrise will be at 6:11 am and sunset at 5:59 pm; tomorrow's daylight will last for 11h and 48min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 90°C.
Coldest period: 12 am - 6 am 86°C.

Chance of precipitation

Highest chance: 12 am 72%.

Hourly weather forecast

  • 12 am
  • 79°F
  • Feels like:
    86°F
Showers / Wind
Showers / Wind
  • Precip. probability: 72%
  • Precipitation: 0.12"
  • Wind: 24mphSE 145°
  • Humidity: 92%
  • Pressure: 29.71"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 2 am
  • 79°F
  • Feels like:
    86°F
Rain / Wind
Rain / Wind
  • Precip. probability: 83%
  • Precipitation: 0.2"
  • Wind: 23mphSSE 149°
  • Humidity: 93%
  • Pressure: 29.68"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 4 am
  • 79°F
  • Feels like:
    86°F
Showers / Wind
Showers / Wind
  • Precip. probability: 56%
  • Precipitation: 0.04"
  • Wind: 22mphSSE 151°
  • Humidity: 93%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 79°F
  • Feels like:
    86°F
Showers / Wind
Showers / Wind
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 20mphSSE 150°
  • Humidity: 91%
  • Pressure: 29.74"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:11 am
  • 8 am
  • 79°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 74%
  • Precipitation: 0.12"
  • Wind: 21mphSSE 151°
  • Humidity: 91%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 10 am
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 64%
  • Precipitation: 0.08"
  • Wind: 21mphSSE 149°
  • Humidity: 89%
  • Pressure: 29.8"Hg
  • Visibility: 5mi
  • UV index: 4
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 63%
  • Precipitation: 0.04"
  • Wind: 21mphSSE 151°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 6
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 21mphSSE 151°
  • Humidity: 87%
  • Pressure: 29.77"Hg
  • Visibility: 6mi
  • UV index: 4
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 54%
  • Precipitation: 0.04"
  • Wind: 17mphSSE 150°
  • Humidity: 88%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 81°F
  • Feels like:
    88°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 16mphSE 146°
  • Humidity: 89%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 8 pm
  • 81°F
  • Feels like:
    88°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 14mphSE 141°
  • Humidity: 89%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    88°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 12mphSE 135°
  • Humidity: 90%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily rain-filled and occasionally cloud-filled weather is predicted.
Rain is anticipated from 12 am to 9 pm. With moderate precipitation of 0.2", most rainfall is expected at 2 am.
The temperature variation throughout the day will be unnoticeable, with a minimum of 78.8°F and a maximum of 80.6°F. The feels-like temperature difference will be unnoticeable, with a minimum of 86°F and a maximum of 89.6°F.
The temperature is expected to be moderately lower than the average peak in October, which is 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 17, 2026 @ 14:18:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect windy weather and occasional rainfall later in the day.

Yes, it will rain tomorrow. Weather alert - damaging precipitation of 4.37" is predicted.

Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 78.8°F. The maximum heat index, which modifies the air temperature to account for humidity, is appraised at 87.8°F.
The maximum temperature will be moderately lower than the average highest temperature of 84.4°F in October. The lowest temperature will be also slightly cooler than the average low of 82.6°F.

On Monday, in Dededo, sunrise will be at 6:11 am and sunset at 5:59 pm (ChST).

In Dededo, tomorrow, there will be 11h and 48min of daylight.