Weather forecast for 10 daysGrangeville, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNE 30°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:05 am PDT
- Sunset: 5:53 pm PDT
- details ▼
Today, on Sunday, October 18, the forecast calls for abundant sunshine.
The temperature scale will run from a maximum of a comfortable 60.8°F to a minimum of a cold 37.4°F.
Today, the forecasted high will be moderately higher than October's typical maximum of 56.5°F.
Sunrise was at 7:05 am and sunset will be at 5:53 pm; the daylight will last for 10h and 47min.
The temperature scale will run from a maximum of a comfortable 60.8°F to a minimum of a cold 37.4°F.
Today, the forecasted high will be moderately higher than October's typical maximum of 56.5°F.
Sunrise was at 7:05 am and sunset will be at 5:53 pm; the daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Maximum temperature: 64°C.
Coldest day: Tuesday 27.10. 45°C.
Coldest day: Tuesday 27.10. 45°C.
Chance of precipitation
Highest chance: Thursday 73%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNE 30°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:05 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphN 352°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:07 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 39°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphN 352°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:08 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphN 359°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:48 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 41°F
Showers
- Precip. probability: 73%
- Precipitation: 0.39"
- Wind: 6mphWNW 302°
- Humidity: 72%
- UV index: 2
- Sunrise: 7:11 am PDT
- Sunset: 5:46 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 28°F
AM Showers
- Precip. probability: 44%
- Precipitation: 0.04"
- Wind: 7mphWNW 283°
- Humidity: 69%
- UV index: 2
- Sunrise: 7:12 am PDT
- Sunset: 5:44 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphWSW 240°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:14 am PDT
- Sunset: 5:43 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 32°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 6mphWNW 285°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:15 am PDT
- Sunset: 5:41 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 30°F
PM Showers
- Precip. probability: 34%
- Precipitation: 0.24"
- Wind: 6mphWNW 298°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:16 am PDT
- Sunset: 5:39 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 45°F
- 30°F
AM Rain / Snow
- Precip. probability: 32%
- Precipitation: 0.04"
- Wind: 6mphWSW 249°
- Humidity: 77%
- UV index: 2
- Sunrise: 7:18 am PDT
- Sunset: 5:38 pm PDT
- details ▼
And a mix of dull, damp, sunny and snowy and cold weather is forecasted.
Rainfall is expected on Thursday, Friday, next Sunday and Monday.
With a probability of 32%, snowfall is forecasted only for next Tuesday. Predicted precipitation will be increased at 0.39".
Temperature variation will be noticeable across the forecast period. The temperature is expected to swing from 44.6°F up to 64.4°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 28.4°F to 42.8°F.
Monday and Wednesday, with the highest temperature of 64.4°F, will be the warmest days in Grangeville; expect the coldest day on next Tuesday with a high of 44.6°F.
Rainfall is expected on Thursday, Friday, next Sunday and Monday.
With a probability of 32%, snowfall is forecasted only for next Tuesday. Predicted precipitation will be increased at 0.39".
Temperature variation will be noticeable across the forecast period. The temperature is expected to swing from 44.6°F up to 64.4°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 28.4°F to 42.8°F.
Monday and Wednesday, with the highest temperature of 64.4°F, will be the warmest days in Grangeville; expect the coldest day on next Tuesday with a high of 44.6°F.
Updated: Oct 18, 2026 @ 14:36:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, sun-filled conditions are expected to persist.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 37.4°F.
The highest temperature will be a couple of degrees higher than the average maximum of 56.5°F in October. The lowest temperature will be in line with the average low of 37.8°F.
The highest temperature will be a couple of degrees higher than the average maximum of 56.5°F in October. The lowest temperature will be in line with the average low of 37.8°F.
On Sunday, in Grangeville, sunrise was at 7:05 am and sunset will be at 5:53 pm (PDT).
In Grangeville, Idaho, today, there will be 10h and 47min of daylight.





