Weather forecast for 10 daysLewiston, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNNE 13°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:56 pm PDT
- details ▼
On Sunday, in Lewiston, sunny skies are in store, with excellent visibility.
Temperatures will oscillate between a pleasant 68°F at their highest and a frosty 42.8°F at their lowest.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:09 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 46min.
Temperatures will oscillate between a pleasant 68°F at their highest and a frosty 42.8°F at their lowest.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:09 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 46min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Coldest day: Monday 26.10. 54°C.
Coldest day: Monday 26.10. 54°C.
Chance of precipitation
Highest chance: Thursday 36%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSE 146°
- Humidity: 62%
- UV index: 0
- Sunrise: 7:08 am PDT
- Sunset: 5:57 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNNE 13°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNNW 341°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:11 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 41°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphN 349°
- Humidity: 52%
- UV index: 2
- Sunrise: 7:12 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 3mphNNE 21°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:14 am PDT
- Sunset: 5:50 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 46°F
PM Showers
- Precip. probability: 36%
- Precipitation: 0.12"
- Wind: 4mphN 357°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:15 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 36°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphW 278°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:17 am PDT
- Sunset: 5:47 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0.04"
- Wind: 4mphENE 62°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:18 am PDT
- Sunset: 5:45 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 4mphNNE 22°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:19 am PDT
- Sunset: 5:44 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 37°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:21 am PDT
- Sunset: 5:42 pm PDT
- details ▼
Looking ahead, conditions suggest a period of primarily overcast and occasionally bright and rain-soaked weather is forecasted.
Rain is forecasted for Thursday and next Saturday.
Temperature variation will be noticeable in the upcoming days. The temperature is expected to swing from 53.6°F up to 68°F, while nighttime temperatures are expected to vary from 35.6°F to 46.4°F.
The warmest days in Lewiston will be Sunday and Wednesday, with a maximum of 68°F; expect the coldest day on next Monday with a high of 53.6°F.
Rain is forecasted for Thursday and next Saturday.
Temperature variation will be noticeable in the upcoming days. The temperature is expected to swing from 53.6°F up to 68°F, while nighttime temperatures are expected to vary from 35.6°F to 46.4°F.
The warmest days in Lewiston will be Sunday and Wednesday, with a maximum of 68°F; expect the coldest day on next Monday with a high of 53.6°F.
Updated: Oct 18, 2026 @ 01:01:06 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, expect consistent sunshine and open skies.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 59.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 59.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Lewiston, sunrise will be at 7:09 am and sunset at 5:56 pm (PDT).
In Lewiston, the length of the day tomorrow will be 10h and 46min.
