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

JOHNSTOWN, PA
Current Weather
3:54 PM EDT AUG 7, 2026
Broken Clouds
79°F
Feels Like: 81°F
Dewpoint: 68°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: WNW at 7 mph
Pressure:
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


Regional Weather Maps

(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
THIS AFTERNOON
Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
TONIGHT
Mostly cloudy. Thunderstorms likely with a chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 70 percent.
SATURDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Scattered showers in the evening. Humid with lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 50 percent.
SUNDAY
Partly sunny in the morning, then clearing. Humid with highs around 80. West winds 5 to 10 mph.
SUNDAY NIGHT
Mostly clear. Lows in the lower 60s.
MONDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 50 percent.
MONDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 50 percent.
TUESDAY
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. Chance of rain 70 percent.
TUESDAY NIGHT
Showers likely with a chance of thunderstorms. Humid with lows in the lower 60s. Chance of rain 70 percent.
WEDNESDAY
Showers likely. A chance of thunderstorms in the afternoon. Humid with highs in the mid 70s. Chance of rain 70 percent.
WEDNESDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 70 percent.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. 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 AM CDT  8/ 7/2026
Friday
7 AUG 2026		 JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 2 PM 76° 77° Mostly Cloudy 67%
RAIN
***		 0% Thunder
( 61% severe)		 WSW   7 76% 68°
High 77° JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 5 PM 75° 75° Partly Cloudy W   6 76% 67°
Mostly Cloudy

Rain Likely

 JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 8 PM 71° 71° Partly Cloudy 47%
RAIN
>2 in		 0% Thunder
( 29% severe)		 SW   6 87% 67°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 11 PM 68° 68° Mostly Cloudy SSW   6 97% 67°
Saturday
8 AUG 2026		 JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 2 AM 67° 67° Partly Cloudy 47%
RAIN
***		 0% Thunder
( 14% severe)		 WSW   6 100% 67°
Low 65° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 5 AM 67° 67° Partly Cloudy SW   7 97% 66°
High 78° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 8 AM 67° 67° Mostly Cloudy 27%
RAIN
.01–.1 in		 0% Thunder
( 23% severe)		 SW   9 97% 66°

Mostly Cloudy

Chance of Rain

 JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 11 AM 72° 72° Partly Cloudy SW   10 87% 68°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 2 PM 75° 75° Mostly Cloudy 19%
RAIN
.01–.1 in		 0% Thunder
( 40% severe)		 WSW   12 76% 67°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 5 PM 77° 79° Partly Cloudy WSW   12 69% 66°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 8 PM 72° 72° Partly Cloudy 40%
RAIN
***		 0% Thunder
( 20% severe)		 WSW   9 84% 67°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 11 PM 69° 69° Partly Cloudy WSW   8 93% 67°
Sunday
9 AUG 2026		 JOHNSTOWN, PA 15915 weather forecast Day 3, 0 hours 2 AM 68° 68° Mostly Cloudy 7%

 0% Thunder
( 9% severe)		 WSW   8 97% 67°
Low 65° JOHNSTOWN, PA 15915 weather forecast Day 3, 3 hours 5 AM 67° 67° Mostly Cloudy WSW   7 100% 67°
High 78° JOHNSTOWN, PA 15915 weather forecast Day 3, 6 hours 8 AM 67° 67° Mostly Cloudy 7%

 0% Thunder
( 7% severe)		 W   8 97% 66°

Decreasing Clouds



 JOHNSTOWN, PA 15915 weather forecast Day 3, 9 hours 11 AM 71° 71° Partly Cloudy W   8 81% 65°
JOHNSTOWN, PA 15915 weather forecast Day 3, 15 hours 2 PM 76° 78° Partly Cloudy 2%

 0% Thunder
( 13% severe)		 W   9 64% 63°
JOHNSTOWN, PA 15915 weather forecast Day 3, 18 hours 5 PM 78° 80° Clear W   8 58% 62°
JOHNSTOWN, PA 15915 weather forecast Day 3, 21 hours 8 PM 72° 72° Partly Cloudy     W   5 73% 63°

JOHNSTOWN, PA extended weather forecast
Monday
10 AUG 2026		 Tuesday
11 AUG 2026		 Wednesday
12 AUG 2026		 Thursday
13 AUG 2026		 Friday
14 AUG 2026
Low 65° Low 64° Low 63° Low 59° Low 57°
High 82° High 75° High 75° High 73° High 72°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
66% Rain		 Overcast
64% Rain		 Overcast
57% Rain		 Overcast
66% Rain		 Partly Cloudy
34% Rain
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