Weather forecast for tomorrowMerizo, GU

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 82°F
  • 81°F
Showers / Wind
Showers / Wind
  • Precip. probability: 73%
  • Precipitation: 4.37"
  • Wind: 24mphSSE 150°
  • Humidity: 88%
  • UV index: 6
  • Sunrise: 6:12 am ChST
  • Sunset: 6:00 pm ChST
  • ▼
On Monday, October 19, windy weather accompanied by showers are also expected.
Extreme precipitation of 4.37" is anticipated for tomorrow. A modest fluctuation in temperature is forecasted, achieving a maximum of a temperate 82.4°F and dipping to a minimum of a moderately hot 80.6°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at a humid 91.4°F. Note that heat index values are valued for light wind and location in the shade.
October's typical peak of 84.4°F is expected to be mirrored in the day’s high.
Sunrise will be at 6:12 am and sunset at 6:00 pm; tomorrow's daylight will last for 11h and 48min.

Hourly overview

Hourly temperatures

Warmest period: 9 am - 3 pm 91°C.
Coldest period: 12 am - 3 am 88°C.

Chance of precipitation

Highest chance: 12 am 73%.

Hourly weather forecast

  • 12 am
  • 81°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 73%
  • Precipitation: 0.16"
  • Wind: 27mphSE 146°
  • Humidity: 91%
  • Pressure: 29.68"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 2 am
  • 81°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 67%
  • Precipitation: 0.12"
  • Wind: 26mphSSE 148°
  • Humidity: 91%
  • Pressure: 29.68"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 79°F
  • Feels like:
    88°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Precip. probability: 65%
  • Precipitation: 0.08"
  • Wind: 25mphSSE 149°
  • Humidity: 92%
  • Pressure: 29.68"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Wind: 23mphSSE 150°
  • Humidity: 89%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:12 am
  • 8 am
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 73%
  • Precipitation: 0.12"
  • Wind: 24mphSSE 151°
  • Humidity: 89%
  • Pressure: 29.77"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    93°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.04"
  • Wind: 23mphSSE 151°
  • Humidity: 86%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    91°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 24mphSSE 153°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 6
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    91°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 22mphSSE 152°
  • Humidity: 88%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    91°F
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 0.04"
  • Wind: 19mphSSE 150°
  • Humidity: 87%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Wind: 17mphSSE 146°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunset: 6:00 pm
  • 8 pm
  • 81°F
  • Feels like:
    90°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 15mphSE 139°
  • Humidity: 89%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    90°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphSE 132°
  • Humidity: 89%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of primarily damp and occasionally stormy and gloomy weather is expected.
Rainfall is predicted from 12 am to 9 pm. With moderate precipitation of 0.16", most rainfall is expected at 12 am.
The temperature variation throughout the day will be unnoticeable, with a minimum of 78.8°F and a maximum of 82.4°F. The feels-like temperature difference will be indistinguishable, with a minimum of 87.8°F and a maximum of 93.2°F. The warmest part of the day will be from 10 am to noon, and from 2 pm to 5 pm.
The maximum temperature will be close to October's average highest temperature of 84.4°F. The lowest temperature is also similar to October's typical minimum of 82.6°F.
Updated: Oct 17, 2026 @ 16:52:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, showers combined with windy weather are anticipated.

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

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 80.6°F. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 91.4°F.
The highest temperature will be in line with the average maximum of 84.4°F in October. The lowest temperature will be also in line with the average low of 82.6°F.

On Monday, in Merizo, sunrise will be at 6:12 am and sunset at 6:00 pm (ChST).

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