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

JOHNSTOWN, PA
Current Weather
12:54 AM EST DEC 28, 2025
Fog
34°F
Feels Like: 28°F
Dewpoint: 32°F
Rel. Hum.: 92%
Visibility: 1/2 miles
Wind: SE at 7 mph
Pressure: 30.05 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
2025 Hurricanes

JOHNSTOWN, PA 15915
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy. Near steady temperature around 30. Southeast winds 5 to 10 mph.
SUNDAY
Rain showers likely in the morning, then rain showers in the afternoon. Not as cool with highs in the mid 40s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.
SUNDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then rain after midnight. Unseasonably mild. Lows in the lower 40s. South winds 5 to 10 mph with gusts up to 25 mph, increasing to southwest 15 to 20 mph with gusts up to 35 mph after midnight. Chance of rain 90 percent.
MONDAY
Rain and snow showers likely in the morning, then a chance of snow showers in the afternoon. Little or no snow accumulation. Windy with highs around 50. Temperature falling into the mid 20s in the afternoon. West winds 20 to 30 mph. Gusts up to 50 mph, increasing to 60 mph in the afternoon. Chance of precipitation 70 percent. Wind chill values as low as 6 above in the afternoon.
MONDAY NIGHT
Snow showers likely. Light snow accumulation possible. Very windy and much cooler with lows around 20. West winds 25 to 35 mph with gusts up to 65 mph. Chance of snow 70 percent. Wind chill values as low as 2 below.
TUESDAY
Mostly cloudy. A chance of snow showers in the morning. Windy and much colder with highs in the lower 20s. Chance of snow 50 percent. Wind chill values as low as 5 below.
TUESDAY NIGHT
Mostly cloudy. Lows around 20. Wind chill values as low as zero.
WEDNESDAY
Mostly cloudy. A chance of snow showers in the afternoon. Highs in the upper 20s. Chance of snow 50 percent. Wind chill values as low as zero.
WEDNESDAY NIGHT
Snow showers likely, mainly in the evening. Lows around 20. Chance of snow 70 percent. Wind chill values as low as 5 above.
NEW YEARS DAY
Mostly cloudy with a 50 percent chance of snow showers. Highs in the mid 20s. Wind chill values as low as 5 above.
THURSDAY NIGHT
Mostly cloudy. Lows around 10 above. Wind chill values as low as zero.
FRIDAY
Partly sunny. Highs in the lower 20s. Wind chill values as low as 5 below.
FRIDAY NIGHT
Partly cloudy. Lows around 15. Wind chill values as low as zero.

  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  6:00 PM CST 12/27/2025
Sunday
28 DEC 2025		 JOHNSTOWN, PA 15915 weather forecast Day 1, 0 hours 1 AM 30° 22° Mostly Cloudy 2%

 0% Thunder
( 0% severe)		 SSE   8 84% 26°
Low 29° JOHNSTOWN, PA 15915 weather forecast Day 1, 3 hours 4 AM 31° 24° Mostly Cloudy S   8 81% 26°
High 53° JOHNSTOWN, PA 15915 weather forecast Day 1, 6 hours 7 AM 32° 25° Mostly Cloudy 61%
RAIN
***		 0% Thunder
( 6% severe)		 S   8 85% 28°

Mostly Cloudy

Rain Likely

 JOHNSTOWN, PA 15915 weather forecast Day 1, 9 hours 10 AM 36° 30° Mostly Cloudy S   8 85% 32°
JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 1 PM 40° 34° Mostly Cloudy 58%
RAIN
.25–.5 in		 0% Thunder
( 4% severe)		 SSE   9 85% 36°
JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 4 PM 42° 36° Mostly Cloudy S   10 82% 37°
JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 7 PM 44° 38° Mostly Cloudy 27%
RAIN
.01–.1 in		 0% Thunder
( 1% severe)		 S   10 82% 39°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 10 PM 47° 42° Mostly Cloudy SSW   12 86% 43°
Monday
29 DEC 2025		 JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 1 AM 53° 49° Mostly Cloudy 76%
RAIN
1–2 in		 0% Thunder
( 3% severe)		 SSW   14 83% 48°
Low 28° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 4 AM 53° 48° Mostly Cloudy SW   16 83% 48°
High 46° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 7 AM 47° 40° Mostly Cloudy 33%
RAIN/SNOW
.5–1.25 in		 0% Thunder
( 3% severe)		 W   20 83% 42°

Mostly Cloudy

Chance of Rain & Snow


Windy		 JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 10 AM 36° 25° Mostly Cloudy W   22 75% 29°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 1 PM 28° 14° Mostly Cloudy 27%
SNOW
.1–1 in		 0% Thunder
( 1% severe)		 W   23 70% 20°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 4 PM 25° 9° Mostly Cloudy W   25 59% 14°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 7 PM 22° 5° Mostly Cloudy 43%
SNOW
.1–1 in		 0% Thunder
( 2% severe)		 W   26 61% 12°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 10 PM 21° 4° Mostly Cloudy W   26 68% 13°

JOHNSTOWN, PA extended weather forecast
Tuesday
30 DEC 2025		 Wednesday
31 DEC 2025		 Thursday
1 JAN 2026		 Friday
2 JAN 2026		 Saturday
3 JAN 2026
Low 16° Low 18° Low 14° Low 15° Low 16°
High 23° High 28° High 20° High 24° High 24°
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
47% Snow		 Overcast
40% Snow		 Overcast
51% Snow		 Overcast
40% Snow		 Mostly Cloudy
15% Snow
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