Weather forecast for 10 daysLewiston, UT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 34°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 259°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:41 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine is also forecasted under mostly clear skies.
Temperatures are anticipated to move from a peak of an agreeable 68°F to a low of a cold 33.8°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 71.2°F than with October's 54.3°F.
Sunrise will be at 7:43 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 58min.
Temperatures are anticipated to move from a peak of an agreeable 68°F to a low of a cold 33.8°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 71.2°F than with October's 54.3°F.
Sunrise will be at 7:43 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest day: Wednesday 70°C.
Coldest day: Friday 48°C.
Coldest day: Friday 48°C.
Chance of precipitation
Highest chance: Friday 78%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNE 22°
- Humidity: 57%
- UV index: 0
- Sunrise: 7:42 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 34°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 259°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWNW 293°
- Humidity: 54%
- 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: 15%
- Precipitation: 0"
- Wind: 4mphNW 323°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphN 1°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:47 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.28"
- Wind: 6mphENE 59°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 34°F
Rain
- Precip. probability: 78%
- Precipitation: 0.39"
- Wind: 7mphSW 230°
- Humidity: 98%
- UV index: 2
- Sunrise: 7:49 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 36°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 6mphW 260°
- Humidity: 79%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 5mphESE 120°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 36°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphW 266°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:29 pm MDT
- details ▼
During the ten-day period, cloudy, dry and sunny and rain-soaked weather is predicted.
Rainfall is anticipated on Thursday and Friday.
Substantial differences in temperature are forecasted throughout the forecast window. The maximum temperature will vary between 48.2°F and 69.8°F, while there will be also a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 32°F and 46.4°F.
Wednesday is expected to be the warmest, reaching up to 69.8°F; expect the coldest day on Friday with a high of 48.2°F.
Rainfall is anticipated on Thursday and Friday.
Substantial differences in temperature are forecasted throughout the forecast window. The maximum temperature will vary between 48.2°F and 69.8°F, while there will be also a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 32°F and 46.4°F.
Wednesday is expected to be the warmest, reaching up to 69.8°F; expect the coldest day on Friday with a high of 48.2°F.
Updated: Oct 17, 2026 @ 23:09:21 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, in Lewiston, clear and sunny conditions are expected.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 33.8°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 54.3°F in October. The lowest temperature will be in line with the average low of 34.9°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 54.3°F in October. The lowest temperature will be in line with the average low of 34.9°F.
On Sunday, in Lewiston, sunrise will be at 7:43 am and sunset at 6:41 pm (MDT).
Tomorrow, the daylight will last for 10h and 58min.
