Weather forecast for todaySun Valley, ID

Weather forecast for today

Current condition 11:24 am MDT

  • 52°F
  • Feels like:
    48°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 6mphNNW 340°
  • Humidity: 36%
  • Dewpoint: 25°F
  • Pressure: 30.22"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
In Sun Valley, currently, mild temperatures and clear skies define the day’s fair conditions.
The temperature is a cool 51.8°F, with the real-feel temperature being calculated to be a frosty 48.2°F. The current temperature is relatively far from the maximum of 64.4°F anticipated for today.

Saturday Oct 17, 2026

  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 133°
  • Humidity: 32%
  • UV index: 4
  • Sunrise: 7:54 am MDT
  • Sunset: 6:50 pm MDT
  • ▼
Today, on Saturday, October 17, sunshine will dominate, with only occasional cloud cover.
Temperature changes will be remarkable, ranging from a high of a breezy 64.4°F to a low of a cold 35.6°F.
Today, the temperature forecast of 64.4°F will better match September's climate average than that of October.
Sunrise was at 7:54 am and sunset will be at 6:50 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest hour: 2 am 39°C.

Chance of precipitation

Highest chance: 12 pm - 2 am 0%.

Hourly weather forecast

  • 12 pm
  • 52°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 123°
  • Humidity: 36%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 1 pm
  • 55°F
  • Feels like:
    54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 123°
  • Humidity: 34%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 131°
  • Humidity: 31%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 140°
  • Humidity: 28%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 143°
  • Humidity: 28%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSE 143°
  • Humidity: 29%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 144°
  • Humidity: 33%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:50 pm
  • 7 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 41%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSE 126°
  • Humidity: 49%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphWNW 302°
  • Humidity: 54%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 287°
  • Humidity: 54%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 297°
  • Humidity: 53%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Sun Valley, a combination of cloudy and mostly clear weather is expected.
The temperature will be between a minimum of 42.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, temperatures will be more close to the climate of September than the usual maximum in October. Today, the temperature is expected to be a couple of degrees higher than October's normal minimum of 31.1°F.
Updated: Oct 17, 2026 @ 17:24:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 11:24 am MDT is 51.8°F.

On Saturday, mostly sunny weather is likely, with high visibility.

Today, the highest temperature in Sun Valley will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be notably higher than the average highest temperature of 48°F in October. The lowest temperature today will be a couple of degrees higher than the average low temperature.

On Saturday, in Sun Valley, sunrise was at 7:54 am and sunset will be at 6:50 pm (MDT).

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