Weather forecast for tomorrowSaint Clair, MI

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphSSW 212°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:47 am EDT
  • Sunset: 6:42 pm EDT
  • ▼
Tomorrow, in Saint Clair, sunny skies are in store, with excellent visibility.
Temperatures are anticipated to range from a maximum of a breezy 62.6°F to a minimum of a wintry 39.2°F.
Sunrise will be at 7:47 am and sunset at 6:42 pm; tomorrow's daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

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

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSW 227°
  • Humidity: 70%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSW 230°
  • Humidity: 73%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSW 222°
  • Humidity: 75%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSW 221°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:47 am
  • 8 am
  • 39°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSW 216°
  • Humidity: 79%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSW 216°
  • Humidity: 59%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSW 214°
  • Humidity: 44%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 207°
  • Humidity: 37%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 205°
  • Humidity: 37%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 201°
  • Humidity: 44%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:42 pm
  • 8 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 200°
  • Humidity: 60%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 206°
  • Humidity: 68%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Updated: Oct 17, 2026 @ 17:54:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, the forecast calls for abundant sunshine.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be significantly higher than the average maximum of 32°F in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.

On Sunday, in Saint Clair, sunrise will be at 7:47 am and sunset at 6:42 pm (EDT).

In Saint Clair, the length of the day tomorrow will be 10h and 56min.