Weather forecast for 10 daysRexburg, ID

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 66°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 214°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
Today, clear and sunny conditions are expected.
Dramatic changes in temperature are predicted, reaching a high of a comfortable 66.2°F and falling to a low of a harsh 30.2°F.
Today, the forecasted high will be higher and much closer to September's average high of 72.7°F than October's 54.1°F.
Sunrise was at 7:44 am and sunset will be at 6:40 pm; the daylight will last for 10h and 56min.

Sunday Oct 18, 2026

  • 66°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSW 206°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:38 pm MDT
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On Sunday, in Rexburg, predominantly sunny weather will make for pleasant outdoor conditions.
A stark contrast will be evident between the daytime peak temperature of a breezy 66.2°F and the nighttime low of a cold 32°F.
Tomorrow, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 72.7°F.
Sunrise will be at 7:45 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 53min.

10-day overview

Daily temperatures

Maximum temperature: 66°C.
Coldest day: Saturday 24.10. 46°C.

Chance of precipitation

Highest chance: Friday 76%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 66°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 214°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSW 206°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 41°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphSE 143°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 6mphSSE 151°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • Wind: 6mphSE 144°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 32°F
Rain
Rain
  • Precip. probability: 76%
  • Precipitation: 0.47"
  • Wind: 11mphSSW 208°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:52 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphSSW 203°
  • Humidity: 79%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 6mphSSE 166°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 50°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 77%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
cloud-filled, mostly clear and showery weather is forecasted.
Rainfall is expected on Thursday and Friday.
Temperature differences will be noticeable across the forecast period. Forecast highs will fluctuate between 46.4°F and 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as temperatures overnight will fluctuate from 30.2°F up to 42.8°F.
With a maximum temperature of 66.2°F, Saturday through Monday and Wednesday will be the warmest days in Rexburg; with the highest temperature of 46.4°F, next Saturday will be the coldest day.
Updated: Oct 17, 2026 @ 20:41:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sun-filled conditions are expected to persist.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 30.2°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 54.1°F in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.

On Saturday, in Rexburg, sunrise was at 7:44 am and sunset will be at 6:40 pm (MDT).

Today, the daylight will last for 10h and 56min.

On Sunday, sunny intervals will be long-lasting, with few disruptions.

Tomorrow, the maximum temperature in Rexburg will be 66.2°F, while the minimum temperature will be 32°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 54.1°F in October. The lowest temperature will be in line with the average low of 35.6°F.

On Sunday, in Rexburg, sunrise will be at 7:45 am and sunset at 6:38 pm (MDT).

In Rexburg, tomorrow, there will be 10h and 53min of daylight.