Weather forecast for tomorrowGrangeville, ID

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 64°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 354°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:07 am PDT
  • Sunset: 5:51 pm PDT
  • ▼
On Monday, October 19, a partly cloudy outlook will keep the sky interesting throughout the day.
The peak daytime temperature will touch a comfortable 64.4°F, while the nighttime temperature will descend to an icy 37.4°F.
Expected temperatures are trending a few degrees higher than October's climate norm of 56.5°F.
Sunrise will be at 7:07 am and sunset at 5:51 pm; tomorrow's daylight will last for 10h and 44min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 39°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphS 190°
  • Humidity: 76%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphS 187°
  • Humidity: 79%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 78%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSW 194°
  • Humidity: 75%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:07 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphS 188°
  • Humidity: 70%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSW 233°
  • Humidity: 52%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 11°
  • Humidity: 40%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 17°
  • Humidity: 37%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNNE 13°
  • Humidity: 38%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:51 pm
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 0°
  • Humidity: 47%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 124°
  • Humidity: 64%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphS 180°
  • Humidity: 69%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy and mostly clear weather is forecasted.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day is expected around 3 pm.
The forecasted high will be relatively higher than the typical October maximum of 56.5°F. The minimum temperature will be also comparable to October's average low of 37.8°F.
Updated: Oct 18, 2026 @ 13:28:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Grangeville, high-altitude clouds may scatter across the sky, but the sun will still shine.

Tomorrow, the highest temperature in Grangeville will be 64.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.5°F in October. The lowest temperature will be in line with the average low of 37.8°F.

On Monday, in Grangeville, sunrise will be at 7:07 am and sunset at 5:51 pm (PDT).

In Grangeville, tomorrow, there will be 10h and 44min of daylight.