Johnstown, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    76°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 5/2
    Day
    76°
    Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s. Northwest winds around 10 mph with gusts up to 20 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph becoming east after midnight.
  • Forecast day icon
    Friday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    70% Chance of Storms
    54°
    Friday 5/3
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s. Southeast winds 10 to 15 mph.
    Night Details
    Showers and thunderstorms likely. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    80% Chance of Storms
    55°
    Forecast night icon
    Night
    Rain
    52°
    Saturday 5/4
    Day
    55°
    80% Chance of Storms
    Forecast day icon
    Night
    52°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Thunderstorms likely in the morning. Showers. Much cooler with highs in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.
    Night Details
    Showers. Lows in the lower 50s. Chance of rain 90 percent.
  • Forecast day icon
    Sunday
    Thunderstorms
    67°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Sunday 5/5
    Day
    67°
    Thunderstorms
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Not as cool with highs in the upper 60s. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Monday 5/6
    Day
    71°
    50% Chance Rain Showers
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the lower 70s. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    72°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Tuesday 5/7
    Day
    72°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    70% 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 70s. Chance of rain 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    72°
    Forecast night icon
    Night
    60% Chance of Storms
    63°
    Wednesday 5/8
    Day
    72°
    70% Chance of Storms
    Forecast day icon
    Night
    63°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
    Night Details
    Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 59F with an average humidity of 78%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    75°
    Forecast night icon
    Night
    60% Chance of Rain
    60°
    Thursday 5/9
    Day
    75°
    70% Chance of Storms
    Forecast day icon
    Night
    60°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 65% chance for rain and thunderstorms. High temperature around 75F. Dew point will be around 60F with an average humidity of 71%. Winds will be 12 mph from the W.
    Night Details
    Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 60F. Dew point will be around 56F with an average humidity of 75%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Friday
    60% Chance of Rain
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Friday 5/10
    Day
    67°
    60% Chance of Rain
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 67F. Dew point will be around 54F with an average humidity of 71%. Winds will be 10 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 47F with an average humidity of 70%. Winds will be 6 mph from the W.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    59°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Saturday 5/11
    Day
    59°
    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 59F. Dew point will be around 46F with an average humidity of 68%. Winds will be 7 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 70%. Winds will be 4 mph from the W.