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Johnstown Weather Warning NWS WEATHER ALERT FOR THE JOHNSTOWN, PA AREA - Issued: 351 AM EDT Thu Sep 17 2026 Johnstown Weather Warning

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Johnstown, PA Weather - Hour by Hour Forecast

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Johnstown, PA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 70°F21°C, dew point 67°F19°C, humidity 90%. Wind direction is SW at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.3 in1026 mb.
Rest of Tonight - Showers likely with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 60s. Southwest winds around.. Full Forecast
Thursday - Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs.. Full Forecast

Johnstown Hourly Weather

24 Hour Forecast Scroll
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Johnstown, PA Hourly Weather - Cloudy - 4:00 AM Johnstown, PA Hourly Weather - Cloudy - 5:00 AM Johnstown, PA Hourly Weather - Cloudy - 6:00 AM Johnstown, PA Hourly Weather - Cloudy - 7:00 AM Johnstown, PA Hourly Weather - Cloudy - 8:00 AM Johnstown, PA Hourly Weather - Cloudy - 9:00 AM Johnstown, PA Hourly Weather - Cloudy - 10:00 AM Johnstown, PA Hourly Weather - Cloudy - 11:00 AM Johnstown, PA Hourly Weather - Cloudy - 12:00 PM Johnstown, PA Hourly Weather - Cloudy - 1:00 PM Johnstown, PA Hourly Weather - Cloudy - 2:00 PM Johnstown, PA Hourly Weather - Cloudy - 3:00 PM Johnstown, PA Hourly Weather - Cloudy - 4:00 PM Johnstown, PA Hourly Weather - Cloudy - 5:00 PM Johnstown, PA Hourly Weather - Cloudy - 6:00 PM Johnstown, PA Hourly Weather - Cloudy - 7:00 PM Johnstown, PA Hourly Weather - Cloudy - 8:00 PM Johnstown, PA Hourly Weather - Cloudy - 9:00 PM Johnstown, PA Hourly Weather - Cloudy - 10:00 PM Johnstown, PA Hourly Weather - Cloudy - 11:00 PM Johnstown, PA Hourly Weather - Cloudy - 12:00 AM Johnstown, PA Hourly Weather - Cloudy - 1:00 AM Johnstown, PA Hourly Weather - Cloudy - 2:00 AM Johnstown, PA Hourly Weather - Cloudy - 3:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
70°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 70°F21°C 72°F22°C 73°F23°C 74°F23°C 74°F23°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain -
53% 53% 53% 53% 53% 38% 38% 38% 38% 38% 38% 52% 52% 52% 52% 52% 52% 28% 28% 28% 28% 28% 28% 18%
67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 64°F18°C
90% 90% 90% 93% 93% 93% 87% 87% 84% 82% 79% 79% 84% 84% 87% 87% 90% 93% 93% 97% 97% 97% 97% 97%
SW SW SW SW SW SW SSW SSW SSW W W W W W W WNW WNW WNW NW NW NW NW NW NW
4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 10 mph 10 mph 10 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph
6 mi10 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 6 mi10 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KJST model statistics.

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Prob Precip % = Probability of Precipitation.

Johnstown 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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