JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions
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  15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

JOHNSTOWN, PA
Current Weather
9:54 AM EDT AUG 1, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 61°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: S at 5 mph
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  15915 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

JOHNSTOWN, PA 15915
Weather Forecast

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

  15915 WEATHER SATELLITE LOOPS
Visible Weather Satellite
JOHNSTOWN, PA 15915
Infrared Weather Satellite
JOHNSTOWN, PA 15915
  15915 WEATHER RADAR LOOP
NEXRAD Weather Radar
JOHNSTOWN, PA 15915
 MOS COMPUTER WEATHER FORECAST

JOHNSTOWN, PA 3 hourly weather forecast
weather forecast created  7:00 PM CDT  7/31/2026
Saturday
1 AUG 2026		 JOHNSTOWN, PA 15915 weather forecast Day 1, 0 hours 2 AM 63° 64° Mostly Cloudy 1%

 0% Thunder
( 1% severe)		 SSE   5 75% 55°
Low 62° JOHNSTOWN, PA 15915 weather forecast Day 1, 3 hours 5 AM 63° 63° Mostly Cloudy SSE   6 78% 56°
High 79° JOHNSTOWN, PA 15915 weather forecast Day 1, 6 hours 8 AM 65° 65° Mostly Cloudy 3%

 0% Thunder
( 1% severe)		 SSE   7 78% 58°

Mostly Cloudy



 JOHNSTOWN, PA 15915 weather forecast Day 1, 9 hours 11 AM 73° 73° Mostly Cloudy S   8 62% 59°
JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 2 PM 77° 79° Mostly Cloudy 9%

 0% Thunder
( 10% severe)		 SSE   10 54% 59°
JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 5 PM 77° 79° Mostly Cloudy S   9 54% 59°
JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 8 PM 73° 73° Overcast 16%
RAIN
<.01 in		 0% Thunder
( 14% severe)		 SSE   9 59% 58°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 11 PM 72° 72° Mostly Cloudy SSE   10 64% 59°
Sunday
2 AUG 2026		 JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 2 AM 70° 70° Mostly Cloudy 56%
RAIN
***		 0% Thunder
( 19% severe)		 SSE   10 78% 63°
Low 66° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 5 AM 68° 68° Mostly Cloudy SSE   12 87% 64°
High 73° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 8 AM 66° 66° Mostly Cloudy 72%
RAIN
***		 0% Thunder
( 20% severe)		 SSE   12 93% 64°

Mostly Cloudy

Rain Likely

 JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 11 AM 68° 68° Mostly Cloudy SSE   12 90% 65°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 2 PM 70° 70° Mostly Cloudy 73%
RAIN
***		 0% Thunder
( 35% severe)		 SSE   13 81% 64°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 5 PM 71° 71° Mostly Cloudy SSE   12 81% 65°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 8 PM 70° 70° Mostly Cloudy 56%
RAIN
.25–.5 in		 0% Thunder
( 30% severe)		 SE   10 81% 64°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 11 PM 68° 68° Mostly Cloudy SSE   9 93% 66°

JOHNSTOWN, PA extended weather forecast
Monday
3 AUG 2026		 Tuesday
4 AUG 2026		 Wednesday
5 AUG 2026		 Thursday
6 AUG 2026		 Friday
7 AUG 2026
Low 65° Low 65° Low 65° Low 67° Low 67°
High 75° High 79° High 81° High 80° High 83°
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
Overcast
97% Rain		 Overcast
42% Rain		 Overcast
51% Rain		 Overcast
63% Rain		 Partly Cloudy
45% Rain
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