Weather forecast for tomorrowPetersburg, MI
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSW 219°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:52 am EDT
- Sunset: 6:47 pm EDT
- details ▼
Tomorrow, in Petersburg, uninterrupted sunshine is anticipated.
A stark contrast will be evident between the daytime peak temperature of a pleasant 68°F and the nighttime low of a cold 39.2°F.
The higher temperature of 68°F is more typical of September than October.
Sunrise will be at 7:52 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 55min.
A stark contrast will be evident between the daytime peak temperature of a pleasant 68°F and the nighttime low of a cold 39.2°F.
The higher temperature of 68°F is more typical of September than October.
Sunrise will be at 7:52 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am - 9 am 5%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 204°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSW 211°
- Humidity: 79%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSW 214°
- Humidity: 85%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphWSW 237°
- Humidity: 89%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:52 am
- 8 am
- 36°F
- Feels like:36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSW 228°
- Humidity: 94%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphSW 219°
- Humidity: 72%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 219°
- Humidity: 51%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 204°
- Humidity: 39%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSW 219°
- Humidity: 35%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 219°
- Humidity: 42%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:47 pm
- 8 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSSW 214°
- Humidity: 65%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 0mphWSW 255°
- Humidity: 76%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will be between the lowest temperature of 35.6°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more in line with September's typical high of 72.9°F than the average for October. The lowest temperature is more consistent with November's average minimum of 34.7°F than the usual minimum of 45.7°F in October.
The temperature will be between the lowest temperature of 35.6°F and the highest temperature of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more in line with September's typical high of 72.9°F than the average for October. The lowest temperature is more consistent with November's average minimum of 34.7°F than the usual minimum of 45.7°F in October.
Updated: Oct 18, 2026 @ 19:13:21 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
Frequently asked questions
On Monday, expect sunny weather with a crisp, clear sky.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
The highest temperature will be relatively higher than the average maximum of 60.3°F in October. The lowest temperature will be also moderately lower than the average low of 45.7°F.
The highest temperature will be relatively higher than the average maximum of 60.3°F in October. The lowest temperature will be also moderately lower than the average low of 45.7°F.
On Monday, in Petersburg, sunrise will be at 7:52 am and sunset at 6:47 pm (EDT).
In Petersburg, the length of the day tomorrow will be 10h and 55min.





