Weather forecast for tomorrowLewiston, ID

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphNNE 15°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:09 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
Tomorrow, on Sunday, expect consistent sunshine and open skies.
The temperature variation is predicted to range from a maximum of an agreeable 68°F to a minimum of a brisk 42.8°F.
A forecast high of 68°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:09 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 125°
  • Humidity: 64%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 129°
  • Humidity: 71%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphENE 70°
  • Humidity: 77%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphE 90°
  • Humidity: 81%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphENE 67°
  • Humidity: 83%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 36°
  • Humidity: 68%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 14°
  • Humidity: 52%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 14°
  • Humidity: 41%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 333°
  • Humidity: 36%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:56 pm
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphWNW 286°
  • Humidity: 42%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 166°
  • Humidity: 51%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSE 150°
  • Humidity: 57%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of overcast and clear weather is predicted.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, temperatures will be more comparable to the climate of September than the usual maximum in October. The lowest temperature tomorrow will be in line with October's average minimum.
Updated: Oct 18, 2026 @ 04:03:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine and minimal clouds are in the outlook.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 42.8°F.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. Tomorrow, the lowest temperature 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.