Weather forecast for 10 daysPoston, AZ

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 86°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 18°
  • Humidity: 35%
  • UV index: 6
  • Sunrise: 6:45 am MST
  • Sunset: 6:00 pm MST
  • ▼
Tomorrow, on Sunday, October 18, conditions will remain bright with clear skies.
The temperature is anticipated to vary between a tropical 86°F and a breezy 64.4°F.
The expected temperature peak will correspond with October's average maximum of 84.9°F.
Sunrise will be at 6:45 am and sunset at 6:00 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: Tuesday 91°C.
Coldest day: Friday 79°C.

Chance of precipitation

Highest chance: Wednesday 16%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphN 9°
  • Humidity: 41%
  • UV index: 0
  • Sunrise: 6:44 am MST
  • Sunset: 6:01 pm MST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 86°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 18°
  • Humidity: 35%
  • UV index: 6
  • Sunrise: 6:45 am MST
  • Sunset: 6:00 pm MST
  • ▼
  • Monday
  • Oct 19, 2026
  • 90°F
  • 66°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSE 156°
  • Humidity: 38%
  • UV index: 6
  • Sunrise: 6:46 am MST
  • Sunset: 5:58 pm MST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 91°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSSE 150°
  • Humidity: 35%
  • UV index: 6
  • Sunrise: 6:46 am MST
  • Sunset: 5:57 pm MST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 90°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 14mphSSE 154°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 6:47 am MST
  • Sunset: 5:56 pm MST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 84°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 15mphSSW 207°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 6:48 am MST
  • Sunset: 5:55 pm MST
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphWNW 298°
  • Humidity: 41%
  • UV index: 5
  • Sunrise: 6:49 am MST
  • Sunset: 5:54 pm MST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphN 359°
  • Humidity: 35%
  • UV index: 5
  • Sunrise: 6:50 am MST
  • Sunset: 5:53 pm MST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 84°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphE 84°
  • Humidity: 32%
  • UV index: 5
  • Sunrise: 6:51 am MST
  • Sunset: 5:52 pm MST
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphSSE 157°
  • Humidity: 37%
  • UV index: 5
  • Sunrise: 6:52 am MST
  • Sunset: 5:50 pm MST
  • ▼
In the days ahead, primarily mostly clear and occasionally cloudy weather is forecasted.
Rainfall is not anticipated in Poston in the upcoming period.
Significant changes in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 78.8°F and 91.4°F, while the forecast minimum temperature falls between 59°F and 69.8°F.
Expect the hottest day on Tuesday, with temperatures peaking at 91.4°F; expect the coldest day on Friday with a high of 78.8°F.
Updated: Oct 18, 2026 @ 05:22:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Poston, sunshine is expected with little to no cloud cover.

Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 64.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.

On Sunday, in Poston, sunrise will be at 6:45 am and sunset at 6:00 pm (MST).

Tomorrow, the daylight will last for 11h and 14min.