Weather forecast for tomorrowSinclair, WY

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSW 217°
  • Humidity: 41%
  • UV index: 4
  • Sunrise: 7:24 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
On Sunday, October 18, sunny intervals will be long-lasting, with few disruptions.
A high of a comfortable 62.6°F during the day contrasts markedly with a low of a wintry 35.6°F at night.
It will feel warmer than usual, as the temperature reflects September's normal high of 70.2°F, not October's.
Sunrise will be at 7:24 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 3 am - 6 am 2%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSW 216°
  • Humidity: 50%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSW 215°
  • Humidity: 52%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 213°
  • Humidity: 59%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSW 215°
  • Humidity: 65%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 39°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 206°
  • Humidity: 67%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 203°
  • Humidity: 46%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSW 222°
  • Humidity: 32%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSW 224°
  • Humidity: 28%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 230°
  • Humidity: 29%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 216°
  • Humidity: 37%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:22 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 218°
  • Humidity: 53%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 202°
  • Humidity: 60%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily mostly clear and occasionally cloud-filled weather is predicted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 60.8°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, temperatures will be more consistent with the climate of September than the usual maximum in October. The night temperature will be alike with the standard October low of 35.1°F.
Updated: Oct 17, 2026 @ 15:18:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Sinclair, clear skies with only minor cloud interruptions are in the outlook.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 35.6°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 52°F in October. The lowest temperature will be in line with the average low of 35.1°F.

On Sunday, in Sinclair, sunrise will be at 7:24 am and sunset at 6:22 pm (MDT).

In Sinclair, the length of the day tomorrow will be 10h and 58min.