Weather forecast for 10 daysSun Valley, NV

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 79°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 102°
  • Humidity: 14%
  • UV index: 5
  • Sunrise: 7:11 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
On Saturday, in Sun Valley, sun-filled conditions are expected to persist.
Significant temperature variations are predicted, soaring to a maximum of a warm 78.8°F and descending to a minimum of a cold 35.6°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise was at 7:11 am and sunset will be at 6:17 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 77°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSW 229°
  • Humidity: 21%
  • UV index: 4
  • Sunrise: 7:12 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
On Sunday, in Sun Valley, sun-filled conditions are expected to persist.
A stark contrast will be observed between the day's peak temperature of a warm 77°F and the night's low of a wintry 39.2°F.
With a forecast of 77°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:12 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 3min.

10-day overview

Daily temperatures

Warmest day: today 79°C.
Coldest day: Thursday 54°C.

Chance of precipitation

Highest chance: Wednesday 68%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 79°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 102°
  • Humidity: 14%
  • UV index: 5
  • Sunrise: 7:11 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 77°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSW 229°
  • Humidity: 21%
  • UV index: 4
  • Sunrise: 7:12 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 207°
  • Humidity: 26%
  • UV index: 4
  • Sunrise: 7:13 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphE 80°
  • Humidity: 29%
  • UV index: 4
  • Sunrise: 7:14 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 41°F
PM Rain
PM Rain
  • Precip. probability: 68%
  • Precipitation: 0.28"
  • Wind: 7mphE 100°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:15 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 54°F
  • 37°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.24"
  • Wind: 10mphW 260°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphNW 308°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:17 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSSW 207°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:19 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphSSW 198°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:20 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphSW 230°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
During the ten-day period, dull, sunny and rainy weather is forecasted.
Rain is predicted for Wednesday and Thursday.
Noticeable swings in temperature are expected in the coming days. The maximum temperature will vary between 53.6°F and 78.8°F, while the minimum temperature is forecast to range between 30.2°F and 41°F.
With a high of 78.8°F, today is the warmest day; the lowest daytime temperature of the period will be reached on Thursday, peaking at 53.6°F.
Updated: Oct 17, 2026 @ 17:36:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Sun Valley, uninterrupted sunshine is anticipated.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 35.6°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 60.6°F in October. The lowest temperature will be moderately lower than the average low of 39.9°F.

On Saturday, in Sun Valley, sunrise was at 7:11 am and sunset will be at 6:17 pm (PDT).

In Sun Valley, today, there will be 11h and 5min of daylight.

On Sunday, in Sun Valley, conditions will remain bright with clear skies.

Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 60.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Sun Valley, sunrise will be at 7:12 am and sunset at 6:15 pm (PDT).

Tomorrow, the daylight will last for 11h and 3min.