JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
1:54 PM EST DEC 13, 2025
Overcast 28°F
Feels Like:	17°F
Dewpoint:	25°F
Rel. Hum.:	88%
Visibility:	10 miles
Wind:	WSW at 13 mph, gusts to 24
Pressure:	29.89 inches
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 2025 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Snow showers. Snow accumulation around an inch. Highs around 30. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 90 percent.

TONIGHT
Snow showers, mainly in the evening. Total snow accumulation of 3 to 5 inches. Lows around 10 above. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow near 100 percent. Wind chill values as low as 2 below after midnight.

SUNDAY
Mostly cloudy with a 50 percent chance of snow showers. Additional snow accumulation up to 1 inch possible. Much colder with highs around 15. West winds 15 to 20 mph with gusts up to 35 mph. Wind chill values as low as 8 below.

SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of snow showers. Little or no snow accumulation. Near steady temperature around 12. Northwest winds 15 to 20 mph with gusts up to 40 mph. Wind chill values as low as 7 below.

MONDAY
Mostly cloudy. Highs around 20. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 3 below.

MONDAY NIGHT
Partly cloudy. Lows around 10 above. Wind chill values as low as zero.

TUESDAY
Mostly sunny. Not as cool with highs around 30. Wind chill values as low as 5 below in the morning.

TUESDAY NIGHT
Mostly cloudy. Not as cool with lows in the lower 20s. Temperature rising into the lower 30s after midnight.

WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 20s.

THURSDAY
Mostly cloudy. A chance of rain showers in the morning, then rain showers likely in the afternoon. Highs in the mid 40s. Chance of rain 70 percent.

THURSDAY NIGHT
Rain showers in the evening, then a chance of rain and snow showers after midnight. Lows in the mid 20s. Chance of precipitation 80 percent.

FRIDAY
Partly sunny. Cooler with highs in the lower 30s.

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 AM CST 12/13/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
13 DEC 2025

1 PM

27°

16°

Mostly Cloudy

80%
SNOW
>20 in

0% Thunder
( 2% severe)

W 14

84%

23°

High 28°

4 PM

27°

16°

Mostly Cloudy

W 13

84%

23°

Mostly Cloudy

Snow Likely

7 PM

26°

17°

Mostly Cloudy

89%
SNOW
***

0% Thunder
( 2% severe)

W 9

80%

21°

10 PM

23°

13°

Mostly Cloudy

WNW 9

83%

19°

Sunday
14 DEC 2025

1 AM

19°

7°

Mostly Cloudy

33%
SNOW
1–2.5 in

0% Thunder
( 2% severe)

WNW 10

82%

15°

Low 9°

4 AM

16°

3°

Mostly Cloudy

WNW 12

78%

11°

High 13°

7 AM

12°

-3°

Mostly Cloudy

6%

0% Thunder
( 3% severe)

WNW 14

77%

7°

Mostly Cloudy

Chance of Snow

10 AM

9°

-8°

Mostly Cloudy

WNW 15

73%

3°

1 PM

10°

-8°

Mostly Cloudy

22%
SNOW
.1–1 in

0% Thunder
( 2% severe)

WNW 17

66%

2°

4 PM

11°

-6°

Mostly Cloudy

W 17

66%

3°

7 PM

11°

-6°

Mostly Cloudy

14%
SNOW
.1–1 in

0% Thunder
( 0% severe)

WNW 17

73%

5°

10 PM

12°

-4°

Mostly Cloudy

WNW 15

73%

6°

Monday
15 DEC 2025

1 AM

13°

-2°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

WNW 14

73%

7°

Low 9°

4 AM

13°

-2°

Mostly Cloudy

W 14

77%

8°

High 18°

7 AM

13°

-2°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

W 13

73%

7°

Mostly Cloudy

10 AM

12°

-3°

Mostly Cloudy

W 13

77%

7°

1 PM

15°

1°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

W 13

70%

8°

4 PM

17°

4°

Mostly Cloudy

WSW 12

60%

7°

7 PM

17°

4°

Mostly Cloudy

WSW 12

57%

6°


JOHNSTOWN, PA extended weather forecast
Tuesday 16 DEC 2025	Wednesday 17 DEC 2025	Thursday 18 DEC 2025	Friday 19 DEC 2025	Saturday 20 DEC 2025
Low 16°	Low 29°	Low 35°	Low 33°	Low 30°
High 29°	High 41°	High 45°	High 41°	High 42°

Partly Cloudy 9% Snow	Overcast 20% Rain/Ice	Overcast 63% Rain	Mostly Cloudy 62% Rain	Overcast 33% Ice

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