JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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JOHNSTOWN, PA
Current Weather

4:54 AM EDT SEP 7, 2026
Clear
55°F
Feels Like: 54°F
Dewpoint: 52°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: NE at 6 mph
Pressure: 30.17 inches
Last 72 hours

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JOHNSTOWN, PA 15915
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the mid 70s. East winds around 5 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s. East winds around 5 mph.
TUESDAY
Mostly sunny. Highs in the upper 70s. South winds around 5 mph, becoming southwest around 5 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Lows around 60. South winds around 5 mph.
WEDNESDAY
Mostly sunny. Very warm with highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 25 mph.
WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.
THURSDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the mid 70s. Chance of rain 80 percent.
THURSDAY NIGHT
Mostly cloudy. Showers with a chance of thunderstorms in the evening. Cooler with lows in the mid 50s. Chance of rain 80 percent.
FRIDAY
Mostly sunny. Highs in the lower 70s.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
SATURDAY
Mostly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy. Lows around 60.
SUNDAY
Mostly sunny. Highs in the upper 70s.

Visible Weather Satellite
JOHNSTOWN, PA 15915
Infrared Weather Satellite
JOHNSTOWN, PA 15915
NEXRAD Weather Radar
JOHNSTOWN, PA 15915

JOHNSTOWN, PA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  9/ 6/2026
Monday
7 SEP 2026
JOHNSTOWN, PA 15915 weather forecast Day 1, 0 hours 2 AM 56° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   6 86% 52°
Low 53° JOHNSTOWN, PA 15915 weather forecast Day 1, 3 hours 5 AM 54° 53° Clear ENE   5 90% 51°
High 73° JOHNSTOWN, PA 15915 weather forecast Day 1, 6 hours 8 AM 55° 54° Clear 0%

0% Thunder
( 0% severe)
E   5 90% 52°

Partly Cloudy



JOHNSTOWN, PA 15915 weather forecast Day 1, 9 hours 11 AM 67° 67° Clear ENE   3 59% 52°
JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 2 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 47% 50°
JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 5 PM 72° 72° Partly Cloudy   CALM 48% 51°
JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 8 PM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   5 65% 51°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 11 PM 58° 58° Partly Cloudy ESE   5 75% 50°
Tuesday
8 SEP 2026
JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 2 AM 56° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   5 77% 49°
Low 54° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 5 AM 55° 54° Partly Cloudy S   5 80% 49°
High 77° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 8 AM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 80% 51°

Mostly Cloudy



JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 11 AM 70° 70° Partly Cloudy SW   3 61% 56°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 2 PM 75° 75° Mostly Cloudy 0%

0% Thunder
( 2% severe)
W   6 52% 56°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 5 PM 76° 78° Mostly Cloudy WSW   5 50% 56°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 8 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 70% 57°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 11 PM 63° 63° Partly Cloudy SSE   6 78% 56°

JOHNSTOWN, PA extended weather forecast

BAD DAY
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Low 56° Low 62° Low 65° Low 59° Low 59°
High 78° High 81° High 73° High 75° High 77°
JOHNSTOWN, PA 15915 weather forecast Day 3 JOHNSTOWN, PA 15915 weather forecast Day 4 JOHNSTOWN, PA 15915 weather forecast Day 5 JOHNSTOWN, PA 15915 weather forecast Day 6 JOHNSTOWN, PA 15915 weather forecast Day 7
Clear
8% Rain
Partly Cloudy
23% Rain
Overcast
83% Rain
Mostly Cloudy
58% Rain
Partly Cloudy
32% Rain
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