Weather forecast for 10 daysTetonia, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 32°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 244°
- Humidity: 33%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:36 pm MDT
- details ▼
Today, sun-filled skies will remain for most of the day.
A high of a comfortable 64.4°F during the day contrasts markedly with a low of an icy 32°F at night.
Today, the predicted high will be higher and much closer to September's average high of 66.9°F than October's 48.7°F.
Sunrise was at 7:43 am and sunset will be at 6:36 pm; the daylight will last for 10h and 53min.
A high of a comfortable 64.4°F during the day contrasts markedly with a low of an icy 32°F at night.
Today, the predicted high will be higher and much closer to September's average high of 66.9°F than October's 48.7°F.
Sunrise was at 7:43 am and sunset will be at 6:36 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest period: today - tomorrow 64°C.
Coldest day: Friday 46°C.
Coldest day: Friday 46°C.
Chance of precipitation
Highest chance: Friday 85%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 32°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 244°
- Humidity: 33%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 184°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 37°F
AM Showers
- Precip. probability: 40%
- Precipitation: 0.04"
- Wind: 6mphS 183°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:45 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphS 176°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 37°F
PM Showers
- Precip. probability: 35%
- Precipitation: 0.47"
- Wind: 9mphSSE 168°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 27°F
Rain
- Precip. probability: 85%
- Precipitation: 0.59"
- Wind: 9mphSW 223°
- Humidity: 90%
- UV index: 1
- Sunrise: 7:49 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 30°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphSSW 208°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 32°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:25 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 30°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphS 175°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 50°F
- 28°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphSSW 204°
- Humidity: 66%
- UV index: 2
- Sunrise: 7:54 am MDT
- Sunset: 6:22 pm MDT
- details ▼
During the ten-day period, dull, sun-filled and showery weather is anticipated.
Rainfall is expected on Tuesday, Thursday and Friday.
Expect a substantial fluctuation in daytime highs throughout the forecast window. The maximum temperature will vary between 46.4°F and 64.4°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 26.6°F and 41°F.
With a maximum temperature of 64.4°F, Sunday and Monday will be the warmest days in Tetonia; Friday will be the coldest day, with the highest temperature of 46.4°F.
Rainfall is expected on Tuesday, Thursday and Friday.
Expect a substantial fluctuation in daytime highs throughout the forecast window. The maximum temperature will vary between 46.4°F and 64.4°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 26.6°F and 41°F.
With a maximum temperature of 64.4°F, Sunday and Monday will be the warmest days in Tetonia; Friday will be the coldest day, with the highest temperature of 46.4°F.
Updated: Oct 18, 2026 @ 15:48:52 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
Today, a bright and mostly cloud-free sky is in store.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 32°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 48.7°F in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the maximum temperature will be notably higher than the average highest temperature of 48.7°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Tetonia, sunrise was at 7:43 am and sunset will be at 6:36 pm (MDT).
Today, the daylight will last for 10h and 53min.
