Weather forecast for tomorrowSun Valley, NV

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 77°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSW 231°
  • Humidity: 22%
  • UV index: 4
  • Sunrise: 7:12 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
On Sunday, in Sun Valley, sunny and dry conditions are anticipated.
Significant temperature fluctuations from a high of a warm 77°F to a low of an icy 39.2°F are expected.
Tomorrow, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 74.8°F.
Sunrise will be at 7:12 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 305°
  • Humidity: 33%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 308°
  • Humidity: 39%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphWNW 287°
  • Humidity: 43%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWNW 300°
  • Humidity: 47%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNW 324°
  • Humidity: 48%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 155°
  • Humidity: 26%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 172°
  • Humidity: 17%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 220°
  • Humidity: 11%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphWSW 237°
  • Humidity: 10%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphWSW 255°
  • Humidity: 14%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 266°
  • Humidity: 22%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 271°
  • Humidity: 29%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature difference between day and night will be considerable, as the minimum temperature will be 37.4°F while the maximum temperature will be 75.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature will feel more comparable to September's average high than the expected maximum for October. The lowest temperature is similar to October's typical minimum of 39.9°F.
Updated: Oct 18, 2026 @ 01:34:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Sun Valley, clear skies and sunshine are anticipated.

Tomorrow, the maximum temperature in Sun Valley will be 77°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be uncommonly higher than the average maximum 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).

In Sun Valley, the length of the day tomorrow will be 11h and 3min.