Weather forecast for 10 daysThree River Junction, WY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 27°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 190°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:34 pm MDT
- details ▼
On Sunday, in Three River Junction, changing cloud patterns will allow for periods of sunshine.
Substantial temperature variations are anticipated, soaring to a maximum of a moderate 55.4°F and descending to a minimum of a subzero 26.6°F.
Tomorrow, expect a warmer trend, with a high of 55.4°F more common in September.
Sunrise will be at 7:42 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 52min.
Substantial temperature variations are anticipated, soaring to a maximum of a moderate 55.4°F and descending to a minimum of a subzero 26.6°F.
Tomorrow, expect a warmer trend, with a high of 55.4°F more common in September.
Sunrise will be at 7:42 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 52min.
10-day overview
Daily temperatures
Warmest period: Monday - Wednesday 57°C.
Coldest day: Saturday 24.10. 37°C.
Coldest day: Saturday 24.10. 37°C.
Chance of precipitation
Highest chance: Friday 78%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 27°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 213°
- Humidity: 66%
- UV index: 0
- Sunrise: 7:41 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 55°F
- 27°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 190°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 57°F
- 32°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 182°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:43 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 57°F
- 32°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 6mphS 186°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:45 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 55°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 7mphSSE 168°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:47 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 43°F
- 25°F
Rain
- Precip. probability: 78%
- Precipitation: 0.79"
- Wind: 9mphSW 226°
- Humidity: 94%
- UV index: 1
- Sunrise: 7:49 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 37°F
- 27°F
AM Snow Showers
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 8mphSW 226°
- Humidity: 85%
- UV index: 2
- Sunrise: 7:50 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 46°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphS 187°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphS 184°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:21 pm MDT
- details ▼
Weather fluctuations are likely over the next ten days, and a combination of primarily overcast and occasionally bright, wet and snowy weather is forecasted.
Rain is expected on Thursday and Friday.
With a probability of 35%, snowfall is predicted only for next Saturday. Predicted precipitation will be heavy at 0.79".
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 37.4°F and 57.2°F, while the low temperature range extends from 24.8°F to 33.8°F.
The warmest days in Three River Junction will be Monday through Wednesday, with a maximum of 57.2°F; with the highest temperature of 37.4°F, next Saturday will be the coldest day.
Rain is expected on Thursday and Friday.
With a probability of 35%, snowfall is predicted only for next Saturday. Predicted precipitation will be heavy at 0.79".
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 37.4°F and 57.2°F, while the low temperature range extends from 24.8°F to 33.8°F.
The warmest days in Three River Junction will be Monday through Wednesday, with a maximum of 57.2°F; with the highest temperature of 37.4°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 00:06:24 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, patchy clouds will move across the sky, allowing for sunshine at times.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 26.6°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 43°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 43°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Three River Junction, sunrise will be at 7:42 am and sunset at 6:34 pm (MDT).
In Three River Junction, the length of the day tomorrow will be 10h and 52min.
