Weather forecast for 10 daysTetonia, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 30°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 242°
- Humidity: 36%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:36 pm MDT
- details ▼
On Sunday, in Tetonia, clear skies with only minor cloud interruptions are in the outlook.
A notable temperature range, reaching a high of an enjoyable 64.4°F and a low of a subzero 30.2°F, is forecasted.
The forecast high of 64.4°F aligns more closely with September's typical high of 66.9°F than with October's usual 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 notable temperature range, reaching a high of an enjoyable 64.4°F and a low of a subzero 30.2°F, is forecasted.
The forecast high of 64.4°F aligns more closely with September's typical high of 66.9°F than with October's usual 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 84%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 30°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 242°
- Humidity: 36%
- 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: 8mphS 183°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 65%
- UV index: 2
- 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 177°
- 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: 84%
- 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 ▼
Over the next ten days, a mix of dull, sun-filled and showery weather is expected.
Rainfall is predicted for Thursday and Friday.
Noticeable swings in temperature are expected over the next several days. The temperature is expected to swing from 46.4°F up to 64.4°F, while the nightly low temperatures will show also a considerable swing, 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; the coldest day will be Friday, with a maximum of 46.4°F.
Rainfall is predicted for Thursday and Friday.
Noticeable swings in temperature are expected over the next several days. The temperature is expected to swing from 46.4°F up to 64.4°F, while the nightly low temperatures will show also a considerable swing, 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; the coldest day will be Friday, with a maximum of 46.4°F.
Updated: Oct 18, 2026 @ 14:34:57 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, mainly sunny skies with just a few high clouds are anticipated.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 30.2°F.
The highest temperature will be uncommonly higher than the average maximum of 48.7°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature will be uncommonly higher than the average maximum 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.
