Weather forecast for 10 daysPetersburg, TX

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 195°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 7:54 am CDT
  • Sunset: 7:08 pm CDT
  • ▼
On Sunday, in Petersburg, sunshine is forecasted under mostly clear skies.
Predicted temperature values will span from an enjoyable 66.2°F down to a chilly 44.6°F.
Today, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise was at 7:54 am and sunset will be at 7:08 pm; the daylight will last for 11h and 15min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Thursday 79°C.
Coldest day: today 66°C.

Chance of precipitation

Highest chance: Sunday 25.10. 34%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 195°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 7:54 am CDT
  • Sunset: 7:08 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphS 184°
  • Humidity: 52%
  • UV index: 6
  • Sunrise: 7:54 am CDT
  • Sunset: 7:07 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 13mphS 171°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 7:55 am CDT
  • Sunset: 7:06 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 12mphSSW 205°
  • Humidity: 68%
  • UV index: 6
  • Sunrise: 7:56 am CDT
  • Sunset: 7:05 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 13mphSSW 194°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:57 am CDT
  • Sunset: 7:04 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 17mphS 174°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:58 am CDT
  • Sunset: 7:03 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 55°F
PM Showers
PM Showers
  • Precip. probability: 31%
  • Precipitation: 0.16"
  • Wind: 15mphS 176°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:58 am CDT
  • Sunset: 7:02 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 55°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.08"
  • Wind: 13mphSSE 158°
  • Humidity: 74%
  • UV index: 4
  • Sunrise: 7:59 am CDT
  • Sunset: 7:01 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphS 173°
  • Humidity: 73%
  • UV index: 4
  • Sunrise: 8:00 am CDT
  • Sunset: 6:59 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 68°F
  • 57°F
AM Showers
AM Showers
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Wind: 14mphS 189°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 8:01 am CDT
  • Sunset: 6:58 pm CDT
  • ▼
cloudy, dry and sunny and rain-soaked weather is predicted.
Rain is anticipated on Saturday, next Sunday and Tuesday.
Noticeable swings in temperature are expected in the coming days. The maximum temperature will vary between 66.2°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 44.6°F and 57.2°F.
With a maximum temperature of 78.8°F, Wednesday and Thursday will be the warmest days in Petersburg; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 14:21:40 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a sun-drenched sky is anticipated.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 44.6°F.
Today, the maximum temperature will be moderately lower than the average highest temperature in October. The lowest temperature today will be also moderately lower than the average low temperature.

On Sunday, in Petersburg, sunrise was at 7:54 am and sunset will be at 7:08 pm (CDT).

Today, the daylight will last for 11h and 15min.