Weather forecast for 10 daysSaint Clair, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphN 350°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:19 am EDT
- Sunset: 6:20 pm EDT
- details ▼
On Sunday, October 18, sunny skies are also in store, with excellent visibility.
Temperatures will oscillate between an enjoyable 60.8°F at their highest and an icy 35.6°F at their lowest.
Tomorrow's top temperature will adhere to the average October high temperature of 60.8°F.
Sunrise will be at 7:19 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 1min.
Temperatures will oscillate between an enjoyable 60.8°F at their highest and an icy 35.6°F at their lowest.
Tomorrow's top temperature will adhere to the average October high temperature of 60.8°F.
Sunrise will be at 7:19 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Minimum temperature: 61°C.
Minimum temperature: 61°C.
Chance of precipitation
Highest chance: Monday 26.10. 21%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNNW 343°
- Humidity: 72%
- UV index: 0
- Sunrise: 7:18 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphN 350°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:19 am EDT
- Sunset: 6:20 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 46°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 11°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphN 6°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:21 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 15°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphN 351°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:23 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNNE 13°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:13 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 37°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphNE 54°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:11 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 4mphN 350°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:10 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 5mphNNW 337°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:28 am EDT
- Sunset: 6:08 pm EDT
- details ▼
In the days ahead, primarily sunny and occasionally overcast weather is anticipated.
Rainfall is not expected in Saint Clair in the upcoming days.
In the upcoming days, the highest temperature will range between 60.8°F and 68°F, while the lowest night temperatures will vary significantly, as the overnight lows will vary from 32°F to 46.4°F.
With a maximum temperature of 68°F, Monday, Tuesday and next Monday will be the warmest days; with a maximum temperature of 60.8°F, Sunday and next Saturday will be the coldest days.
Rainfall is not expected in Saint Clair in the upcoming days.
In the upcoming days, the highest temperature will range between 60.8°F and 68°F, while the lowest night temperatures will vary significantly, as the overnight lows will vary from 32°F to 46.4°F.
With a maximum temperature of 68°F, Monday, Tuesday and next Monday will be the warmest days; with a maximum temperature of 60.8°F, Sunday and next Saturday will be the coldest days.
Updated: Oct 18, 2026 @ 02:19:02 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
Tomorrow, sunny and dry conditions are anticipated.
Tomorrow, the highest temperature in Saint Clair will be 60.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 60.8°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 60.8°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Sunday, in Saint Clair, sunrise will be at 7:19 am and sunset at 6:20 pm (EDT).
Tomorrow, the daylight will last for 11h and 1min.
