Weather forecast for tomorrowLyman, WY

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNW 313°
  • Humidity: 37%
  • UV index: 4
  • Sunrise: 7:36 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
On Sunday, in Lyman, a partly cloudy outlook will keep the sky interesting throughout the day.
A substantial temperature fluctuation from a breezy 62.6°F at its peak to an icy 33.8°F at its lowest point is anticipated.
It will feel warmer than usual, as the temperature reflects September's normal high of 68.5°F, not October's.
Sunrise will be at 7:36 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 1%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSW 217°
  • Humidity: 57%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSW 232°
  • Humidity: 62%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    32°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSW 217°
  • Humidity: 57%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    30°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSW 215°
  • Humidity: 58%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:36 am
  • 8 am
  • 34°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 229°
  • Humidity: 57%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 182°
  • Humidity: 44%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 347°
  • Humidity: 32%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 325°
  • Humidity: 27%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNW 321°
  • Humidity: 26%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 54°
  • Humidity: 32%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 251°
  • Humidity: 46%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSW 234°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of sunny and gloomy weather is forecasted.
The temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature tomorrow will resemble September's average maximum of 68.5°F more than October's average. The lowest temperature is resembling October's typical minimum of 34.5°F.
Updated: Oct 17, 2026 @ 22:52:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, some passing clouds may drift through, but the sun will shine at times.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 33.8°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 52°F in October. The lowest temperature will be in line with the average low of 34.5°F.

On Sunday, in Lyman, sunrise will be at 7:36 am and sunset at 6:35 pm (MDT).

Tomorrow in Lyman, the daylight will last for 10h and 59min.