Weather forecast for todayUpper Saint Clair, PA

Weather forecast for today

Current condition 5:38 pm EDT

• 52°F
• Feels like:
  48°F

Sunny

• Precipitation: 0"
• Wind: 8mphNNW 330°
• Humidity: 42%
• Dewpoint: 28°F
• Pressure: 30.41"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

Currently, in Upper Saint Clair, the sun is shining brightly, and temperatures are comfortable.
The temperature is a crisp 51.8°F, with the apparent temperature being assessed at a brisk 48.2°F.

Saturday Oct 17, 2026

• min.
• 30°F

Clear

• Precip. probability: 7%
• Precipitation: 0"
• Wind: 8mphN 6°
• Humidity: 72%
• UV index: 0
• Sunrise: 7:33 am EDT
• Sunset: 6:37 pm EDT
• details ▼

Through the evening hours, calm and clear weather will dominate.
The lowest anticipated temperature is a subzero 30.2°F.
Sunrise was at 7:33 am and sunset will be at 6:37 pm; the daylight will last for 11h and 4min.

Hourly overview

Hourly weather forecast

• 6 pm

• 50°F
• Feels like:
  46°F

Sunny

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 7mphNNW 342°
• Humidity: 44%
• Pressure: 30.39"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

Sunset: 6:37 pm

• 7 pm

• 46°F
• Feels like:
  45°F

Clear

• Precip. probability: 0%
• Precipitation: 0"
• Wind: 5mphNNW 336°
• Humidity: 49%
• Pressure: 30.42"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 8 pm

• 45°F
• Feels like:
  43°F

Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 4mphNNW 329°
• Humidity: 55%
• Pressure: 30.45"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 9 pm

• 43°F
• Feels like:
  41°F

Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 4mphNNW 335°
• Humidity: 63%
• Pressure: 30.47"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 10 pm

• 41°F
• Feels like:
  39°F

Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 3mphNNW 335°
• Humidity: 68%
• Pressure: 30.47"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 11 pm

• 39°F
• Feels like:
  37°F

Clear

• Precip. probability: 1%
• Precipitation: 0"
• Wind: 3mphN 351°
• Humidity: 72%
• Pressure: 30.5"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 12 am

• 37°F
• Feels like:
  37°F

Clear

• Precip. probability: 2%
• Precipitation: 0"
• Wind: 2mphN 5°
• Humidity: 78%
• Pressure: 30.5"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 1 am

• 37°F
• Feels like:
  37°F

Clear

• Precip. probability: 4%
• Precipitation: 0"
• Wind: 2mphN 1°
• Humidity: 81%
• Pressure: 30.5"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 2 am

• 36°F
• Feels like:
  36°F

Clear

• Precip. probability: 5%
• Precipitation: 0"
• Wind: 1mphNNE 22°
• Humidity: 86%
• Pressure: 30.53"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

• 3 am

• 36°F
• Feels like:
  36°F

Clear

• Precip. probability: 6%
• Precipitation: 0"
• Wind: 1mphENE 63°
• Humidity: 87%
• Pressure: 30.53"Hg
• Visibility: 10mi
• UV index: 0
• details ▼

For the remainder of Saturday, sunny conditions are likely to prevail.
The temperature will vary between a maximum of 50°F and a minimum of 39.2°F.

Updated: Oct 17, 2026 @ 21:38:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

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Upper Saint Clair, Pennsylvania, USA

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