Weather forecast for 10 daysLewiston, UT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 252°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:41 pm MDT
- details ▼
On Sunday, in Lewiston, expect sunny weather with a crisp, clear sky.
Significant temperature fluctuations from a high of a delightful 68°F to a low of an icy 35.6°F are forecasted.
Weather conditions lean warmer, with the temperature tracking September's average high of 71.2°F.
Sunrise will be at 7:43 am and sunset at 6:41 pm; the daylight will last for 10h and 58min.
Significant temperature fluctuations from a high of a delightful 68°F to a low of an icy 35.6°F are forecasted.
Weather conditions lean warmer, with the temperature tracking September's average high of 71.2°F.
Sunrise will be at 7:43 am and sunset at 6:41 pm; the daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Maximum temperature: 70°C.
Coldest day: Friday 48°C.
Coldest day: Friday 48°C.
Chance of precipitation
Highest chance: Friday 82%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 252°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:44 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 5mphWNW 300°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:46 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphN 3°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:47 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 43°F
PM Thunderstorms
- Precip. probability: 67%
- Precipitation: 0"
- Wind: 6mphESE 123°
- Humidity: 72%
- UV index: 4
- Sunrise: 7:48 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 32°F
Rain
- Precip. probability: 82%
- Precipitation: 0.47"
- Wind: 8mphSW 222°
- Humidity: 94%
- UV index: 2
- Sunrise: 7:49 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 34°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0.55"
- Wind: 5mphWNW 293°
- Humidity: 81%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 37°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSW 221°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 36°F
Mostly Sunny
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphWNW 292°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 55°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSSW 206°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:28 pm MDT
- details ▼
Weather fluctuations are likely over the next ten days, and a mix of mostly clear, overcast, stormy and rain-soaked weather is expected.
Rainfall is anticipated on Friday and Saturday.
Noticeable swings in temperature are expected over the next several days. Highs will range from 48.2°F to 69.8°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 32°F and 46.4°F.
Monday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days; the lowest daytime temperature of the period will be reached on Friday, peaking at 48.2°F.
Rainfall is anticipated on Friday and Saturday.
Noticeable swings in temperature are expected over the next several days. Highs will range from 48.2°F to 69.8°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 32°F and 46.4°F.
Monday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days; the lowest daytime temperature of the period will be reached on Friday, peaking at 48.2°F.
Updated: Oct 18, 2026 @ 08:05:59 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, conditions remain stable and sunny, with little cloud presence.
Today, the highest temperature will be 68°F, while the lowest temperature will be 35.6°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 54.3°F in October. Today, the lowest temperature will be in line with the average low temperature.
The maximum temperature today will be uncommonly higher than the average highest temperature of 54.3°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Lewiston, sunrise will be at 7:43 am and sunset at 6:41 pm (MDT).
In Lewiston, Utah, today, there will be 10h and 58min of daylight.
