Weather forecast for 10 daysPetersburg, MI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSW 214°
- Humidity: 42%
- UV index: 4
- Sunrise: 7:50 am EDT
- Sunset: 6:48 pm EDT
- details ▼
Today, in Petersburg, expect bright skies and plenty of sunshine.
A substantial temperature fluctuation from a breezy 62.6°F at its peak to a cold 35.6°F at its lowest point is anticipated.
The maximum temperature today is expected to reflect October's average high of 60.3°F.
Sunrise was at 7:50 am and sunset will be at 6:48 pm; the daylight will last for 10h and 58min.
A substantial temperature fluctuation from a breezy 62.6°F at its peak to a cold 35.6°F at its lowest point is anticipated.
The maximum temperature today is expected to reflect October's average high of 60.3°F.
Sunrise was at 7:50 am and sunset will be at 6:48 pm; the daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest day: Thursday 70°C.
Coldest day: today 63°C.
Coldest day: today 63°C.
Chance of precipitation
Highest chance: Tuesday 13%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSW 214°
- Humidity: 42%
- UV index: 4
- Sunrise: 7:50 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSW 223°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:52 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 39°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 6mphNE 45°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:53 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 39°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphNE 47°
- Humidity: 69%
- UV index: 4
- Sunrise: 7:54 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphN 6°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:55 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 66°F
- 37°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphENE 65°
- Humidity: 73%
- UV index: 4
- Sunrise: 7:56 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 64°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphE 101°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:57 am EDT
- Sunset: 6:40 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphSSW 206°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:59 am EDT
- Sunset: 6:38 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNNW 345°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:00 am EDT
- Sunset: 6:37 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNE 51°
- Humidity: 61%
- UV index: 3
- Sunrise: 8:01 am EDT
- Sunset: 6:35 pm EDT
- details ▼
Forecasts for the ten-day outlook show that a combination of sunny and cloud-filled weather is anticipated.
Rainfall is not predicted in Petersburg in the upcoming period.
In the coming days, the maximum temperature will range between 62.6°F and 69.8°F, while the low temperature range extends from 35.6°F to 46.4°F.
Thursday will be the warmest day, with a maximum temperature of 69.8°F; today is the coldest day, with a maximum temperature of 62.6°F.
Rainfall is not predicted in Petersburg in the upcoming period.
In the coming days, the maximum temperature will range between 62.6°F and 69.8°F, while the low temperature range extends from 35.6°F to 46.4°F.
Thursday will be the warmest day, with a maximum temperature of 69.8°F; today is the coldest day, with a maximum temperature of 62.6°F.
Updated: Oct 18, 2026 @ 15:17:09 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
Today, in Petersburg, sunny conditions are expected to continue.
Today, the highest temperature will be 62.6°F, while the lowest temperature will be 35.6°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 45.7°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 45.7°F.
On Sunday, in Petersburg, sunrise was at 7:50 am and sunset will be at 6:48 pm (EDT).
In Petersburg, today, there will be 10h and 58min of daylight.
