Johnstown, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    50% Chance of Storms
    70°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Monday 5/6
    Day
    70°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Areas of fog this morning. A slight chance of showers this morning then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the lower 70s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Patchy fog after midnight. Lows in the upper 50s. North winds around 5 mph becoming southeast after midnight. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    70% Chance Rain Showers
    72°
    Forecast night icon
    Night
    Thunderstorms
    63°
    Tuesday 5/7
    Day
    72°
    70% Chance Rain Showers
    Forecast day icon
    Night
    63°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Patchy fog in the morning. A chance of showers in the morning then showers likely in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
    Night Details
    Showers with a chance of thunderstorms. Lows in the lower 60s. South winds 5 to 10 mph becoming southwest after midnight. Chance of rain 90 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    74°
    Forecast night icon
    Night
    50% Chance Rain Showers
    58°
    Wednesday 5/8
    Day
    74°
    50% Chance Rain Showers
    Forecast day icon
    Night
    58°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. A chance of showers in the morning. Highs in the mid 70s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Thunderstorms
    62°
    Forecast night icon
    Night
    Thunderstorms
    55°
    Thursday 5/9
    Day
    62°
    Thunderstorms
    Forecast day icon
    Night
    55°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Highs in the upper 60s. Chance of rain 90 percent.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Lows around 50. Chance of rain 90 percent.
  • Forecast day icon
    Friday
    60% Chance Rain Showers
    55°
    Forecast night icon
    Night
    60% Chance Rain Showers
    45°
    Friday 5/10
    Day
    55°
    60% Chance Rain Showers
    Forecast day icon
    Night
    45°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers likely. Cooler with highs in the upper 50s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. Showers likely mainly in the evening. Lows in the lower 40s. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    54°
    Forecast night icon
    Night
    50% Chance Rain Showers
    45°
    Saturday 5/11
    Day
    54°
    50% Chance Rain Showers
    Forecast day icon
    Night
    45°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.
    Night Details
    Partly cloudy with a 50 percent chance of showers. Lows in the mid 40s.
  • Forecast day icon
    Sunday
    50% Chance Rain Showers
    53°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Sunday 5/12
    Day
    53°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 48F. Dew point will be around 41F with an average humidity of 72%. Winds will be 6 mph from the S.
  • Forecast day icon
    Monday
    40% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    51°
    Monday 5/13
    Day
    60°
    40% Chance of Rain
    Forecast day icon
    Night
    51°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 60F. Dew point will be around 47F with an average humidity of 71%. Winds will be 7 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 46F with an average humidity of 75%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Tuesday 5/14
    Day
    60°
    50% Chance of Rain
    Forecast day icon
    Night
    48°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 60F. Dew point will be around 47F with an average humidity of 72%. Winds will be 7 mph from the W.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 42F with an average humidity of 70%. Winds will be 4 mph from the W.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Wednesday 5/15
    Day
    62°
    40% Chance of Rain
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 62F. Dew point will be around 44F with an average humidity of 63%. Winds will be 7 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 51F. Dew point will be around 44F with an average humidity of 69%. Winds will be 3 mph from the W.