Weather forecast for todaySun Valley, ID

Weather forecast for today

Current condition 1:35 pm MDT

  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 9mphESE 120°
  • Humidity: 30%
  • Dewpoint: 32°F
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Sun Valley, currently, sunlight is abundant, and the weather remains pleasant.
The temperature is a comfortable 64.4°F. The current temperature is the maximum anticipated temperature of the day.

Monday Oct 19, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 140°
  • Humidity: 30%
  • UV index: 3
  • Sunrise: 7:57 am MDT
  • Sunset: 6:47 pm MDT
  • ▼
Today, in Sun Valley, uninterrupted sunshine is anticipated.
The day's temperature scale will range from a significant high of a breezy 64.4°F to a minimum of an icy 37.4°F.
Forecasts show a high closer to September's climate pattern, around 63.7°F, rather than October's 48°F.
Sunrise was at 7:57 am and sunset will be at 6:47 pm; the daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 64°C.
Coldest period: 10 pm - 11 pm 45°C.

Chance of precipitation

Highest chance: 7 pm - 11 pm 1%.

Hourly weather forecast

  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 137°
  • Humidity: 29%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 142°
  • Humidity: 28%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 142°
  • Humidity: 28%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 139°
  • Humidity: 31%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 140°
  • Humidity: 34%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:47 pm
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSE 136°
  • Humidity: 43%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphE 96°
  • Humidity: 50%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 340°
  • Humidity: 55%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphWNW 296°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 299°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Monday, a combination of mostly clear and cloudy weather is anticipated.
The temperature will vary between a minimum of 44.6°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more alike with September's typical high of 63.7°F than the average for October. The lowest temperature is also expected to be more comparable to September's minimum average of 43.2°F than October's 31.1°F.
Updated: Oct 19, 2026 @ 19:35:11 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 1:35 pm MDT, the temperature is 64.4°F.

Today, the outlook remains bright and sunny.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be significantly higher than the average maximum of 48°F in October. The lowest temperature will be relatively higher than the average low of 31.1°F.

On Monday, in Sun Valley, sunrise was at 7:57 am and sunset will be at 6:47 pm (MDT).

In Sun Valley, the length of the day today will be 10h and 50min.