Upper Saint Clair, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Partly Cloudy
    54°
    Forecast night icon
    Night
    Clear
    38°
    Thursday 4/25
    Day
    54°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. High temperature around 54F. Dew point will be around 32F with an average humidity of 72%. Winds will be 2 mph from the NE.
    Night Details
    Mainly clear. Lows in the upper 30s. Northeast winds around 5 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    50% Chance Rain Showers
    45°
    Friday 4/26
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 70. Southeast winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Mild. Lows around 50. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Saturday 4/27
    Day
    71°
    50% Chance Rain Showers
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Considerable cloudiness with a 50 percent chance of showers. Highs around 70. Southeast winds 10 to 15 mph.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Mild. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    Clear
    58°
    Sunday 4/28
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Unseasonably warm with highs in the lower 80s.
    Night Details
    Mainly clear. Mild. Lows in the upper 50s.
  • Forecast day icon
    Monday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    40% Chance Rain Showers
    62°
    Monday 4/29
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    62°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Unseasonably warm with highs in the mid 80s.
    Night Details
    Mainly clear in the evening then becoming mostly cloudy. A chance of showers after midnight. Mild. Lows in the lower 60s. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    71°
    Forecast night icon
    Night
    70% Chance of Storms
    54°
    Tuesday 4/30
    Day
    71°
    70% Chance of Storms
    Forecast day icon
    Night
    54°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely. A chance of thunderstorms in the afternoon. Warm with highs in the mid 70s. Chance of rain 70 percent.
    Night Details
    Partly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Mild. Lows in the upper 50s. Chance of rain 70 percent.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    74°
    Forecast night icon
    Night
    30% Chance of Storms
    56°
    Wednesday 5/1
    Day
    74°
    30% Chance of Storms
    Forecast day icon
    Night
    56°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers and thunderstorms in the afternoon. Warm with highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening. Mild. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    53°
    Thursday 5/2
    Day
    74°
    30% Chance Rain Showers
    Forecast day icon
    Night
    53°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 30 percent chance of showers. Highs in the lower 70s.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 49F with an average humidity of 68%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Friday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Clear
    48°
    Friday 5/3
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 67F. Dew point will be around 44F with an average humidity of 54%. Winds will be 6 mph from the N.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 41F with an average humidity of 62%. Winds will be 5 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Saturday 5/4
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 39F with an average humidity of 46%. Winds will be 4 mph from the N.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 40F with an average humidity of 58%. Winds will be 3 mph from the N.