Weather forecast for 10 daysHarrison, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNE 48°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:10 am PDT
- Sunset: 5:53 pm PDT
- details ▼
On Sunday, October 18, skies are expected to be clear and full of sunshine.
Temperature is anticipated to swing from a high of a comfortable 64.4°F to a low of a wintry 41°F.
Tomorrow, the forecasted high of 64.4°F is more in line with September's average of 71.1°F than October's 55°F.
Sunrise will be at 7:10 am and sunset at 5:53 pm; tomorrow's daylight will last for 10h and 43min.
Temperature is anticipated to swing from a high of a comfortable 64.4°F to a low of a wintry 41°F.
Tomorrow, the forecasted high of 64.4°F is more in line with September's average of 71.1°F than October's 55°F.
Sunrise will be at 7:10 am and sunset at 5:53 pm; tomorrow's daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 66°C.
Coldest period: Saturday - Sunday 52°C.
Coldest period: Saturday - Sunday 52°C.
Chance of precipitation
Highest chance: 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphESE 115°
- Humidity: 75%
- UV index: 0
- Sunrise: 7:09 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNE 48°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:10 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 41°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNNE 15°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:12 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNNE 24°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:13 am PDT
- Sunset: 5:50 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNE 50°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:14 am PDT
- Sunset: 5:48 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 43°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0.08"
- Wind: 5mphSSE 156°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:16 am PDT
- Sunset: 5:46 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphSW 228°
- Humidity: 66%
- UV index: 2
- Sunrise: 7:17 am PDT
- Sunset: 5:44 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0.04"
- Wind: 6mphESE 114°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:19 am PDT
- Sunset: 5:43 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphENE 66°
- Humidity: 71%
- UV index: 2
- Sunrise: 7:20 am PDT
- Sunset: 5:41 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 37°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 6mphNE 35°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:22 am PDT
- Sunset: 5:39 pm PDT
- details ▼
Conditions over the next ten days suggest that primarily dull and occasionally mostly clear weather is forecasted.
Rain is predicted for Thursday and next Saturday.
Expect a substantial fluctuation in daytime highs in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 66.2°F, while the low temperature range extends from 35.6°F to 44.6°F.
With a maximum temperature of 66.2°F, Tuesday and Wednesday will be the warmest days; with a maximum temperature of 51.8°F, next Saturday and Sunday will be the coldest days.
Rain is predicted for Thursday and next Saturday.
Expect a substantial fluctuation in daytime highs in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 66.2°F, while the low temperature range extends from 35.6°F to 44.6°F.
With a maximum temperature of 66.2°F, Tuesday and Wednesday will be the warmest days; with a maximum temperature of 51.8°F, next Saturday and Sunday will be the coldest days.
Updated: Oct 18, 2026 @ 06:16:18 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
On Sunday, skies will stay clear and sunny.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 55°F in October. The lowest temperature will be moderately higher than the average low of 36.9°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 55°F in October. The lowest temperature will be moderately higher than the average low of 36.9°F.
On Sunday, in Harrison, sunrise will be at 7:10 am and sunset at 5:53 pm (PDT).
Tomorrow, the daylight will last for 10h and 43min.





