Weather forecast for tomorrowPiti, GU

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 82°F
  • 79°F
Rain / Wind
Rain / Wind
  • Precip. probability: 99%
  • Precipitation: 4.29"
  • Wind: 71mphSE 136°
  • Humidity: 93%
  • UV index: 6
  • Sunrise: 6:12 am ChST
  • Sunset: 6:00 pm ChST
  • ▼
Tomorrow, on Sunday, rain may arrive along with notable wind gusts.
Extreme precipitation of 4.29" is forecasted. The highest daytime temperature will reach a moderately hot 82.4°F, creating a slight contrast with the predicted nighttime low of a warm 78.8°F.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a humid 93.2°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 predicted 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 49min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 93°C.
Coldest hour: 3 am 88°C.

Chance of precipitation

Highest chance: 12 am 72%.

Hourly weather forecast

  • 12 am
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 72%
  • Precipitation: 0.12"
  • Wind: 24mphSE 144°
  • Humidity: 91%
  • Pressure: 29.68"Hg
  • Visibility: 3mi
  • UV index: 0
  • ▼
  • 2 am
  • 81°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.12"
  • Wind: 24mphSSE 147°
  • Humidity: 92%
  • Pressure: 29.68"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 81°F
  • Feels like:
    88°F
Showers / Wind
Showers / Wind
  • Precip. probability: 57%
  • Precipitation: 0.04"
  • Wind: 22mphSSE 147°
  • Humidity: 91%
  • Pressure: 29.68"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 81°F
  • Feels like:
    90°F
Showers / Wind
Showers / Wind
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Wind: 21mphSSE 149°
  • Humidity: 90%
  • Pressure: 29.71"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:12 am
  • 8 am
  • 81°F
  • Feels like:
    91°F
Showers / Wind
Showers / Wind
  • Precip. probability: 70%
  • Precipitation: 0.16"
  • Wind: 21mphSSE 151°
  • Humidity: 90%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    93°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.04"
  • Wind: 21mphSSE 152°
  • Humidity: 87%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    93°F
Showers / Wind
Showers / Wind
  • Precip. probability: 56%
  • Precipitation: 0.04"
  • Wind: 22mphSSE 153°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 6
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    93°F
Showers / Wind
Showers / Wind
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 22mphSSE 153°
  • Humidity: 87%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 4
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    93°F
Showers
Showers
  • Precip. probability: 55%
  • Precipitation: 0.04"
  • Wind: 17mphSSE 153°
  • Humidity: 87%
  • Pressure: 29.77"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    91°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 16mphSSE 147°
  • Humidity: 88%
  • Pressure: 29.8"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:00 pm
  • 8 pm
  • 81°F
  • Feels like:
    91°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphSE 140°
  • Humidity: 88%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 81°F
  • Feels like:
    90°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 12mphSE 134°
  • Humidity: 89%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, primarily showery and occasionally gloomy weather is expected.
Rainfall is predicted from 12 am to 7 pm and at 9 pm. With moderate precipitation of 0.16", most rainfall is expected at 8 am.
The temperature variation throughout the day will be unnoticeable, with the lowest temperature of 80.6°F and the highest temperature of 82.4°F. The feels-like temperature difference will be unnoticeable, with the lowest temperature of 87.8°F and the highest temperature of 93.2°F.
The forecasted high will be close to the typical October maximum of 84.4°F. Tomorrow, the nighttime low will be also a few degrees lower than October's typical minimum of 82.6°F.
Updated: Oct 17, 2026 @ 13:51:49 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, rain and winds are predicted to affect the area.

Yes, it will rain tomorrow. Weather alert - damaging precipitation of 4.29" is expected.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 78.8°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 93.2°F.
The highest temperature will be in line with the average maximum of 84.4°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.

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

In Piti, tomorrow, there will be 11h and 49min of daylight.