Saint Peters, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    81°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Wednesday 5/8
    Day
    81°
    60% Chance of Storms
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Cloudy with showers likely with a chance of thunderstorms this morning then mostly sunny this afternoon. Some thunderstorms may produce gusty winds this morning. Highs in the mid 80s. Southwest winds 5 to 10 mph becoming west 10 to 15 mph with gusts up to 25 mph this afternoon. Chance of rain 60 percent.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West winds 10 to 15 mph becoming northwest around 5 mph after midnight.
  • Forecast day icon
    Thursday
    80% Chance Rain Showers
    68°
    Forecast night icon
    Night
    70% Chance Rain Showers
    48°
    Thursday 5/9
    Day
    68°
    80% Chance Rain Showers
    Forecast day icon
    Night
    48°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of showers in the morning then showers in the afternoon. Not as warm with highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.
    Night Details
    Showers mainly in the evening. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    54°
    Forecast night icon
    Night
    50% Chance Rain Showers
    42°
    Friday 5/10
    Day
    54°
    50% Chance Rain Showers
    Forecast day icon
    Night
    42°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A 50 percent chance of showers. Cooler with highs in the upper 50s. Northeast winds 10 to 15 mph becoming north in the afternoon.
    Night Details
    Mostly cloudy with a chance of showers in the evening then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    60°
    Forecast night icon
    Night
    40% Chance Rain Showers
    46°
    Saturday 5/11
    Day
    60°
    30% Chance Rain Showers
    Forecast day icon
    Night
    46°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    40% Chance Rain Showers
    59°
    Forecast night icon
    Night
    40% Chance Rain Showers
    43°
    Sunday 5/12
    Day
    59°
    40% Chance Rain Showers
    Forecast day icon
    Night
    43°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers in the evening then mostly clear after midnight. Lows in the mid 40s. Chance of rain 40 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Monday 5/13
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows around 50.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    68°
    Forecast night icon
    Night
    Mostly Cloudy
    54°
    Tuesday 5/14
    Day
    68°
    30% Chance Rain Showers
    Forecast day icon
    Night
    54°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. Low temperature around 54F. Dew point will be around 56F with an average humidity of 90%. Winds will be 2 mph from the S.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    50% Chance of Rain
    56°
    Wednesday 5/15
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 55F with an average humidity of 71%. Winds will be 4 mph from the SE.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 56F. Dew point will be around 55F with an average humidity of 86%. Winds will be 3 mph from the E.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Thursday 5/16
    Day
    71°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 71F. Dew point will be around 56F with an average humidity of 71%. Winds will be 4 mph from the SE.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 57F with an average humidity of 89%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    55°
    Friday 5/17
    Day
    71°
    40% Chance of Rain
    Forecast day icon
    Night
    55°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 71F. Dew point will be around 57F with an average humidity of 73%. Winds will be 3 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 55F. Dew point will be around 56F with an average humidity of 87%. Winds will be 2 mph from the E.