JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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JOHNSTOWN, PA
Current Weather

1:54 AM EDT AUG 29, 2026
57°F
Feels Like: 57°F
Dewpoint: 46°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: Calm
Pressure: 30.24 inches
Last 72 hours

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JOHNSTOWN, PA 15915
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph.
SATURDAY
Sunny. Highs in the upper 70s. Southeast winds around 5 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s. South winds around 5 mph.
SUNDAY
Partly sunny. Highs around 80. Southwest winds 5 to 10 mph.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
MONDAY
Mostly cloudy. Humid with highs around 80.
MONDAY NIGHT
Mostly cloudy. Humid with lows in the upper 60s.
TUESDAY
Partly sunny. Humid. Very warm with highs in the mid 80s.
TUESDAY NIGHT
Mostly cloudy. Humid with lows in the upper 60s.
WEDNESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid. Very warm with highs in the lower 80s. Chance of rain 40 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 50 percent.
THURSDAY
Partly sunny with a chance of showers. Humid with highs around 80. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Humid with lows in the lower 60s. Chance of rain 50 percent.

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  8/28/2026
Saturday
29 AUG 2026
JOHNSTOWN, PA 15915 weather forecast Day 1, 0 hours 2 AM 56° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
ENE   5 86% 52°
Low 53° JOHNSTOWN, PA 15915 weather forecast Day 1, 3 hours 5 AM 54° 54° Clear ESE   3 86% 50°
High 76° JOHNSTOWN, PA 15915 weather forecast Day 1, 6 hours 8 AM 56° 55° Clear 0%

0% Thunder
( 0% severe)
SE   5 83% 51°

Clear



JOHNSTOWN, PA 15915 weather forecast Day 1, 9 hours 11 AM 68° 68° Clear SE   6 59% 53°
JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 2 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   6 51% 54°
JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 5 PM 75° 75° Clear SSW   5 50% 55°
JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 8 PM 67° 67° Mostly Cloudy 0%

0% Thunder
( 1% severe)
SE   6 70% 57°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 11 PM 64° 64° Partly Cloudy SSE   7 78% 57°
Sunday
30 AUG 2026
JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 2 AM 63° 63° Partly Cloudy 4%

0% Thunder
( 1% severe)
S   7 84% 58°
Low 62° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 5 AM 62° 62° Mostly Cloudy S   7 90% 59°
High 79° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 8 AM 64° 64° Mostly Cloudy 1%

0% Thunder
( 3% severe)
SSW   7 87% 60°

Mostly Cloudy



JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 11 AM 73° 73° Partly Cloudy WSW   8 71% 63°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 2 PM 77° 79° Mostly Cloudy 2%

0% Thunder
( 12% severe)
W   10 56% 60°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 5 PM 78° 79° Mostly Cloudy W   8 54% 60°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 8 PM 71° 71° Mostly Cloudy 4%

0% Thunder
( 10% severe)
SW   3 71% 61°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 11 PM 68° 68° Mostly Cloudy SSW   5 78% 61°

JOHNSTOWN, PA extended weather forecast

BAD DAY
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Low 62° Low 65° Low 67° Low 69° Low 69°
High 82° High 81° High 85° High 86° High 79°
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
Partly Cloudy
18% Rain
Overcast
24% Rain
Mostly Cloudy
36% Rain
Partly Cloudy
34% Rain
Partly Cloudy
44% Rain
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