Weather forecast for tomorrowRupert, ID

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 72°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphENE 75°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:51 am MDT
  • Sunset: 6:47 pm MDT
  • ▼
On Sunday, in Rupert, sunlight and clouds will take turns dominating the sky.
Daytime will experience a high of a pleasant 71.6°F, significantly differing from the expected night low of an icy 35.6°F.
The day's peak of 71.6°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:51 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 68°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 61%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphE 95°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphE 97°
  • Humidity: 78%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphENE 77°
  • Humidity: 84%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 36°F
  • Feels like:
    32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphENE 73°
  • Humidity: 89%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphENE 66°
  • Humidity: 66%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphENE 70°
  • Humidity: 43%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 74°
  • Humidity: 32%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 85°
  • Humidity: 27%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 87°
  • Humidity: 31%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:47 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 118°
  • Humidity: 49%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 62%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of mostly clear and gloomy weather is forecasted.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 69.8°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The lowest temperature tomorrow is more consistent with November's average minimum of 30.7°F than the average low in October of 41.5°F.
Updated: Oct 17, 2026 @ 19:51:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Rupert, a pleasant mix of sun and clouds will define the day.

Tomorrow, the highest temperature in Rupert will be 71.6°F, while the lowest temperature will be 35.6°F.
The highest temperature will be notably higher than the average maximum of 58.8°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.

On Sunday, in Rupert, sunrise will be at 7:51 am and sunset at 6:47 pm (MDT).

In Rupert, tomorrow, there will be 10h and 56min of daylight.