Johnstown, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Rain
    48°
    Saturday 5/4
    Forecast night icon
    48°
    Rain
    Hourly
    Night Details
    Rain. Near steady temperature around 50. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Sunday
    Thunderstorms
    66°
    Forecast night icon
    Night
    70% Chance of Storms
    59°
    Sunday 5/5
    Day
    66°
    Thunderstorms
    Forecast day icon
    Night
    59°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Rain in the morning then rain and thunderstorms likely in the afternoon. Not as cool with highs in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
    Night Details
    Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 50s. South winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    69°
    Forecast night icon
    Night
    50% Chance of Storms
    59°
    Monday 5/6
    Day
    69°
    50% Chance of Storms
    Forecast day icon
    Night
    59°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. West winds 5 to 10 mph. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Patchy fog after midnight. Lows in the mid 50s. West winds 5 to 10 mph becoming south after midnight. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    71°
    Forecast night icon
    Night
    70% Chance Rain Showers
    64°
    Tuesday 5/7
    Day
    71°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.
    Night Details
    Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    74°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Wednesday 5/8
    Day
    74°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows around 60. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    Thunderstorms
    69°
    Forecast night icon
    Night
    Thunderstorms
    58°
    Thursday 5/9
    Day
    69°
    Thunderstorms
    Forecast day icon
    Night
    58°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. Showers mainly in the evening. Lows in the mid 50s. Chance of rain 90 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    64°
    Forecast night icon
    Night
    60% Chance of Storms
    47°
    Friday 5/10
    Day
    64°
    60% Chance of Storms
    Forecast day icon
    Night
    47°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 40s. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    55°
    Forecast night icon
    Night
    50% Chance of Rain
    44°
    Saturday 5/11
    Day
    55°
    50% Chance Rain Showers
    Forecast day icon
    Night
    44°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 50 percent chance of showers. Highs in the upper 50s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 44F. Dew point will be around 38F with an average humidity of 70%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    60% Chance of Rain
    57°
    Forecast night icon
    Night
    40% Chance of Rain
    46°
    Sunday 5/12
    Day
    57°
    60% Chance of Rain
    Forecast day icon
    Night
    46°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 57F. Dew point will be around 40F with an average humidity of 64%. Winds will be 10 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 46F. Dew point will be around 40F with an average humidity of 71%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Monday
    50% Chance of Rain
    59°
    Forecast night icon
    Night
    50% Chance of Rain
    49°
    Monday 5/13
    Day
    59°
    50% Chance of Rain
    Forecast day icon
    Night
    49°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 59F. Dew point will be around 42F with an average humidity of 65%. Winds will be 9 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 49F. Dew point will be around 42F with an average humidity of 70%. Winds will be 6 mph from the SW.