Weather forecast for tomorrow
Saturday, Jun 21.
6:04 am
9:10 pm
EDT
9:10 pm
EDT
Mostly Sunny
91°F / 73°F
- Wind: 14mph SSW
- Humidity: 59%
- Precip. probability: 7%
- Precipitation: 0"
- UV index: 9
Tomorrow, mainly sunny skies with just a few high clouds are also anticipated.
The temperature is forecasted to vary between a humid 91.4°F and a temperate 73.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a very hot 102.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
It will be hotter, as the maximum temperature reflects July's norm of 79.7°F instead of June's.
Sunrise will be at 6:04 am and sunset at 9:10 pm; tomorrow's daylight will last for 15h and 7min.
The temperature is forecasted to vary between a humid 91.4°F and a temperate 73.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a very hot 102.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
It will be hotter, as the maximum temperature reflects July's norm of 79.7°F instead of June's.
Sunrise will be at 6:04 am and sunset at 9:10 pm; tomorrow's daylight will last for 15h and 7min.
Frequently asked questions
What is the weather forecast for Lewistown for tomorrow?
On Saturday, blue skies and warm sunshine will define the conditions.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 91.4°F, while the lowest temperature will be 73.4°F. The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 102.2°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 77.7°F in June. The lowest temperature tomorrow will be also notably higher than the average low of 60.4°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 77.7°F in June. The lowest temperature tomorrow will be also notably higher than the average low of 60.4°F.
When are sunrise and sunset tomorrow in Lewistown?
On Saturday, in Lewistown, sunrise will be at 6:04 am and sunset at 9:10 pm (EDT).
How long will the day be tomorrow?
In Lewistown, the length of the day tomorrow will be 15h and 7min.
Hourly weather forecast
12 am
- 72°F
- Feels like:
73°F
Mostly Clear
- Wind: 6mph SSW
- Pressure: 30"Hg
- Humidity: 73%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 72°F
- Feels like:
72°F
Clear
- Wind: 6mph SSW
- Pressure: 30"Hg
- Humidity: 77%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 70°F
- Feels like:
70°F
Clear
- Wind: 6mph S
- Pressure: 30"Hg
- Humidity: 83%
- Precip. probability: 7%
- Precipitation: 0"
- Visibility: 10mi
6 am
- 66°F
- Feels like:
68°F
Clear
- Wind: 7mph SSW
- Pressure: 30.03"Hg
- Humidity: 93%
- Precip. probability: 7%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 6:04 am
8 am
- 72°F
- Feels like:
73°F
Partly Cloudy
- Wind: 8mph SSW
- Pressure: 30.03"Hg
- Humidity: 81%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 79°F
- Feels like:
82°F
Partly Cloudy
- Wind: 11mph SSW
- Pressure: 30.03"Hg
- Humidity: 65%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 82°F
- Feels like:
84°F
Partly Cloudy
- Wind: 12mph SSW
- Pressure: 30"Hg
- Humidity: 53%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 88°F
- Feels like:
95°F
Mostly Sunny
- Wind: 14mph SSW
- Pressure: 29.97"Hg
- Humidity: 61%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 90°F
- Feels like:
95°F
Sunny
- Wind: 14mph SSW
- Pressure: 29.94"Hg
- Humidity: 50%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 90°F
- Feels like:
93°F
Sunny
- Wind: 14mph SSW
- Pressure: 29.94"Hg
- Humidity: 44%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 86°F
- Feels like:
90°F
Sunny
- Wind: 12mph SSW
- Pressure: 29.94"Hg
- Humidity: 52%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 9:10 pm
10 pm
- 81°F
- Feels like:
86°F
Clear
- Wind: 11mph SSW
- Pressure: 29.97"Hg
- Humidity: 68%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, on Saturday, a combination of cloudy and dry and sunny weather is predicted.
The temperature will vary between the lowest temperature of 66.2°F and the highest temperature of 89.6°F. The hottest part of the day will be from 3 pm to 6 pm.
The expected temperature aligns more with July's average high than with June's 77.7°F. Tomorrow, expect the temperature to be also more close to the typical minimum for July than for June.
The temperature will vary between the lowest temperature of 66.2°F and the highest temperature of 89.6°F. The hottest part of the day will be from 3 pm to 6 pm.
The expected temperature aligns more with July's average high than with June's 77.7°F. Tomorrow, expect the temperature to be also more close to the typical minimum for July than for June.
Updated: Jun 20, 2025 @ 12:24:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate