Williamstown, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    80°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Thursday 5/2
    Day
    80°
    Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. West winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph becoming northeast after midnight.
  • Forecast day icon
    Friday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Friday 5/3
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s. East winds 10 to 15 mph.
    Night Details
    Mostly cloudy. Lows around 50. Southeast winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    59°
    Forecast night icon
    Night
    80% Chance Rain Showers
    48°
    Saturday 5/4
    Day
    59°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    80% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Much cooler with highs in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Showers likely in the evening then showers after midnight. Lows in the lower 50s. Chance of rain 80 percent.
  • Forecast day icon
    Sunday
    80% Chance Rain Showers
    61°
    Forecast night icon
    Night
    50% Chance of Storms
    56°
    Sunday 5/5
    Day
    61°
    80% Chance Rain Showers
    Forecast day icon
    Night
    56°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers mainly in the morning. Highs in the mid 60s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    73°
    Forecast night icon
    Night
    Mostly Cloudy
    58°
    Monday 5/6
    Day
    73°
    Partly Sunny
    Forecast day icon
    Night
    58°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Warmer with highs in the mid 70s.
    Night Details
    Mostly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    74°
    Forecast night icon
    Night
    40% Chance Rain Showers
    61°
    Tuesday 5/7
    Day
    74°
    40% Chance Rain Showers
    Forecast day icon
    Night
    61°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    79°
    Forecast night icon
    Night
    60% Chance of Rain
    61°
    Wednesday 5/8
    Day
    79°
    50% Chance Rain Showers
    Forecast day icon
    Night
    61°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 63F with an average humidity of 88%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    82°
    Forecast night icon
    Night
    40% Chance of Rain
    61°
    Thursday 5/9
    Day
    82°
    50% Chance of Storms
    Forecast day icon
    Night
    61°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 50% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 64F with an average humidity of 73%. Winds will be 8 mph from the W.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 61F with an average humidity of 78%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Friday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Friday 5/10
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 74F. Dew point will be around 59F with an average humidity of 71%. Winds will be 7 mph from the W.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 54F. Dew point will be around 53F with an average humidity of 76%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    50°
    Saturday 5/11
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 50F with an average humidity of 68%. Winds will be 7 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 50F. Dew point will be around 47F with an average humidity of 75%. Winds will be 2 mph from the NW.