Williamstown, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    70% Chance of Rain
    54°
    Forecast night icon
    Night
    Rain
    47°
    Saturday 5/4
    Day
    54°
    70% Chance of Rain
    Forecast day icon
    Night
    47°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely. Much cooler. Near steady temperature in the mid 50s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.
    Night Details
    Rain. Lows in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
  • Forecast day icon
    Sunday
    Rain
    57°
    Forecast night icon
    Night
    70% Chance Rain Showers
    57°
    Sunday 5/5
    Day
    57°
    Rain
    Forecast day icon
    Night
    57°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
    Night Details
    Cloudy. Showers likely mainly in the evening. Patchy fog. Near steady temperature in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    74°
    Forecast night icon
    Night
    40% Chance Rain Showers
    58°
    Monday 5/6
    Day
    74°
    40% Chance Rain Showers
    Forecast day icon
    Night
    58°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Patchy fog in the morning. A chance of showers in the afternoon. Much warmer with highs in the upper 70s. Southwest winds around 5 mph becoming west in the afternoon. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Patchy fog after midnight. Lows in the upper 50s. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    75°
    Forecast night icon
    Night
    40% Chance Rain Showers
    61°
    Tuesday 5/7
    Day
    75°
    40% Chance Rain Showers
    Forecast day icon
    Night
    61°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 60s.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Wednesday 5/8
    Day
    80°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    80% Chance of Storms
    71°
    Forecast night icon
    Night
    80% Chance of Storms
    57°
    Thursday 5/9
    Day
    71°
    80% Chance of Storms
    Forecast day icon
    Night
    57°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms. Showers mainly in the evening. Lows in the upper 50s. Chance of rain 80 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    64°
    Forecast night icon
    Night
    50% Chance of Rain
    49°
    Friday 5/10
    Day
    64°
    50% Chance Rain Showers
    Forecast day icon
    Night
    49°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the lower 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 49F. Dew point will be around 45F with an average humidity of 73%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    63°
    Forecast night icon
    Night
    40% Chance of Rain
    46°
    Saturday 5/11
    Day
    63°
    50% Chance of Rain
    Forecast day icon
    Night
    46°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 63F. Dew point will be around 46F with an average humidity of 67%. Winds will be 9 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 46F. Dew point will be around 42F with an average humidity of 73%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Sunday 5/12
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 44F with an average humidity of 61%. Winds will be 8 mph from the NW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 48F. Dew point will be around 45F with an average humidity of 74%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Monday 5/13
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 47F with an average humidity of 63%. Winds will be 5 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 47F with an average humidity of 75%. Winds will be 2 mph from the W.