Weather forecast for 10 daysWhy, AZ

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 84°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphENE 66°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 6:37 am MST
  • Sunset: 5:55 pm MST
  • ▼
Today, on Sunday, October 18, blue skies and warm sunshine will define the conditions.
The predicted temperature range extends from a high of a warm 84.2°F to a low of a breezy 64.4°F.
The maximum heat index, which combines relative humidity and air temperature, is appraised at 84.2°F.
Today's high is forecasted to coincide with the typical October maximum of 85.5°F.
Sunrise will be at 6:37 am and sunset at 5:55 pm; the daylight will last for 11h and 18min.

10-day overview

Daily temperatures

Warmest day: Tuesday 88°C.
Minimum temperature: 77°C.

Chance of precipitation

Highest chance: today 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 84°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphENE 66°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 6:37 am MST
  • Sunset: 5:55 pm MST
  • ▼
  • Monday
  • Oct 19, 2026
  • 86°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 7mphSSW 199°
  • Humidity: 44%
  • UV index: 6
  • Sunrise: 6:37 am MST
  • Sunset: 5:53 pm MST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 88°F
  • 72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphS 172°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 6:38 am MST
  • Sunset: 5:52 pm MST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 84°F
  • 68°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 13mphS 174°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 6:39 am MST
  • Sunset: 5:51 pm MST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 81°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 16mphSSW 202°
  • Humidity: 52%
  • UV index: 6
  • Sunrise: 6:40 am MST
  • Sunset: 5:50 pm MST
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNNW 347°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 6:40 am MST
  • Sunset: 5:49 pm MST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 25°
  • Humidity: 35%
  • UV index: 6
  • Sunrise: 6:41 am MST
  • Sunset: 5:48 pm MST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 9mphSE 140°
  • Humidity: 34%
  • UV index: 6
  • Sunrise: 6:42 am MST
  • Sunset: 5:47 pm MST
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphS 191°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 6:43 am MST
  • Sunset: 5:46 pm MST
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 77°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 183°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 6:44 am MST
  • Sunset: 5:45 pm MST
  • ▼
Forecasts for the ten-day outlook show that a combination of mostly clear and cloudy weather is anticipated.
Rainfall is not predicted in Why in the upcoming days.
In the coming days, the highest temperature will vary between 77°F and 87.8°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 57.2°F to 71.6°F.
Tuesday will be the hottest day, with a maximum temperature of 87.8°F; with a maximum temperature of 77°F, Friday and next Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 10:17:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, mostly sunny and dry conditions will continue.

Today, the highest temperature will be 84.2°F, while the lowest temperature will be 64.4°F. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 84.2°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 67.8°F.

On Sunday, in Why, sunrise will be at 6:37 am and sunset at 5:55 pm (MST).

In Why, today, there will be 11h and 18min of daylight.