See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
27°
Clear
Feels Like: 28°
Min: 11°
Max: 27°
The next few hours will be clear, with today reaching 27°C and dropping to 18°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:07
Sunrise
19:22
Sunset
Moon
Waxing Crescent
11:55
Moonrise
20:56
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Mount Lebanon.
Resources
UV Index
Humidity
Weather in Mount Lebanon today, September 15, 2026
Mount Lebanon starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 45% and 85% and the peak around 23:00. A lighter breeze peaks around 16:00 near 3.9 km/h.
Expect a more open afternoon, with limited cloud around 0% by 16:00. Residual damp risk should be lower than earlier. Horizontal visibility holds close to 16.1 km. Daylight runs from 07:07 to 19:22, lasting 12 hours 15 minutes of sunlight today.
Taken together, settled sunshine in Mount Lebanon on September 15, 2026 makes outdoor timing easier, with highs near 27°C.
Frequently asked questions about weather in Mount Lebanon
How warm does it get in Mount Lebanon?
The warmest month in Mount Lebanon is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Mount Lebanon?
The coldest month in Mount Lebanon is January, with average low temperatures of -4°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Mount Lebanon?
The wettest month in Mount Lebanon is May, with an average of 154mm of precipitation.
What is the driest time of year in Mount Lebanon?
The driest month in Mount Lebanon is November, with an average of 77mm of precipitation.
Explore more weather forecasts
- Bethel Park, Pennsylvania
- New York City, New York
- Upper Saint Clair, Pennsylvania
- Los Angeles, California
- Whitehall, Pennsylvania
- Brooklyn, New York
- Baldwin, Pennsylvania
- Chicago, Illinois
- South Park Township, Pennsylvania
- Houston, Texas
- Pittsburgh, Pennsylvania
- Queens, New York
- Jefferson Hills, Pennsylvania
- Phoenix, Arizona
- Munhall, Pennsylvania
- Philadelphia, Pennsylvania
