Weather forecast for tomorrowUpper Saint Clair, PA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphESE 113°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:34 am EDT
- Sunset: 6:36 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, bright and sunny weather is expected.
Temperature readings will span from a daytime high of an enjoyable 60.8°F to a night low of a wintry 33.8°F.
Sunrise will be at 7:34 am and sunset at 6:36 pm; tomorrow's daylight will last for 11h and 2min.
Temperature readings will span from a daytime high of an enjoyable 60.8°F to a night low of a wintry 33.8°F.
Sunrise will be at 7:34 am and sunset at 6:36 pm; tomorrow's daylight will last for 11h and 2min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 32°C.
Coldest hour: 6 am 32°C.
Chance of precipitation
Highest chance: 6 am 7%.
Hourly weather forecast
- 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 ▼
- 2 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphNNE 23°
- Humidity: 88%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 34°F
- Feels like:34°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphNNE 20°
- Humidity: 92%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 32°F
- Feels like:32°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphESE 103°
- Humidity: 95%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:34 am
- 8 am
- 32°F
- Feels like:32°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphE 97°
- Humidity: 100%
- Pressure: 30.59"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 115°
- Humidity: 69%
- Pressure: 30.59"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphESE 115°
- Humidity: 46%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSE 129°
- Humidity: 34%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphESE 116°
- Humidity: 33%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 100°
- Humidity: 48%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:36 pm
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 72°
- Humidity: 60%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphE 96°
- Humidity: 73%
- Pressure: 30.5"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, clear skies and sunny weather are expected.
The temperature will be between a minimum of 32°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will be between a minimum of 32°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
Updated: Oct 17, 2026 @ 22:59:04 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, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 33.8°F.
On Sunday, in Upper Saint Clair, sunrise will be at 7:34 am and sunset at 6:36 pm (EDT).
In Upper Saint Clair, tomorrow, there will be 11h and 2min of daylight.
