Weather forecast for 10 daysSaint Peters, PA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 14°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
On Sunday, October 18, bright and sunny weather is expected.
The temperature will fluctuate from a high of a breezy 60.8°F to a low of an icy 35.6°F.
Today's maximum temperature is expected to reflect the standard October high of 63°F.
Sunrise will be at 7:17 am and sunset at 6:19 pm; the daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Coldest day: Saturday 59°C.

Chance of precipitation

Highest chance: Sunday 25.10. 7%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNE 14°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphNNE 13°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphN 8°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphNNE 21°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphN 351°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphNNE 13°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNE 35°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphNNW 340°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphNNW 327°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:07 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphN 353°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:26 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
Forecasts for the ten-day outlook show that primarily dry and sunny and occasionally cloudy weather is expected.
Rainfall is not predicted in Saint Peters in the upcoming period.
In the upcoming period, the maximum temperature will range between 59°F and 69.8°F, while the lowest temperature will be between 33.8°F and 44.6°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; Saturday will be the coldest day, with the highest temperature of 59°F.
Updated: Oct 18, 2026 @ 11:13:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine is expected with little to no cloud cover.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be uncommonly lower than the average low of 46.9°F.

On Sunday, in Saint Peters, sunrise will be at 7:17 am and sunset at 6:19 pm (EDT).

Today, the daylight will last for 11h and 2min.