JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
4:54 AM EDT SEP 4, 2026
64°F
Feels Like:	65°F
Dewpoint:	63°F
Rel. Hum.:	97%
Visibility:	10 miles
Wind:	WNW at 5 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 2026 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy. Showers likely with a chance of thunderstorms this afternoon. Highs in the upper 70s. West winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

TONIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph. Chance of rain 70 percent.

SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Humid with highs in the mid 70s. Northwest winds around 5 mph. Chance of rain 50 percent.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

SUNDAY
Sunny. Highs in the lower 70s. Northeast winds around 5 mph.

SUNDAY NIGHT
Mostly clear. Lows in the lower 50s.

LABOR DAY
Sunny. Highs in the mid 70s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 50s.

TUESDAY
Mostly sunny. Highs in the mid 70s.

TUESDAY NIGHT
Mostly cloudy. Lows around 60.

WEDNESDAY
Partly sunny. Highs in the upper 70s.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 50 percent.

THURSDAY
Partly sunny with a chance of showers. Humid with highs in the upper 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 PM CDT 9/ 3/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
4 SEP 2026

2 AM

69°

69°

Mostly Cloudy

34%
RAIN
***

0% Thunder
( 13% severe)

SW 6

93%

67°

Low 66°

5 AM

68°

68°

Mostly Cloudy

W 7

97%

67°

High 77°

8 AM

67°

67°

Mostly Cloudy

28%
RAIN
.1–.25 in

0% Thunder
( 10% severe)

W 8

100%

67°

Mostly Cloudy

Rain Likely

11 AM

72°

72°

Mostly Cloudy

WNW 9

90%

69°

2 PM

76°

77°

Mostly Cloudy

66%
RAIN
***

0% Thunder
( 38% severe)

WNW 12

79%

69°

5 PM

75°

75°

Mostly Cloudy

W 10

79%

68°

8 PM

69°

69°

Mostly Cloudy

36%
RAIN
.5–1 in

0% Thunder
( 11% severe)

W 8

93%

67°

11 PM

68°

68°

Mostly Cloudy

WNW 6

97%

67°

Saturday
5 SEP 2026

2 AM

67°

67°

Mostly Cloudy

33%
RAIN
>2 in

0% Thunder
( 11% severe)

WNW 5

100%

67°

Low 63°

5 AM

66°

66°

Mostly Cloudy

WNW 5

100%

66°

High 74°

8 AM

65°

65°

Mostly Cloudy

21%
RAIN
.1–.25 in

0% Thunder
( 14% severe)

W 5

97%

64°

Mostly Cloudy

Chance of Rain

11 AM

69°

69°

Mostly Cloudy

NW 6

84%

64°

2 PM

72°

72°

Mostly Cloudy

29%
RAIN
.1–.25 in

0% Thunder
( 28% severe)

NNW 8

71%

62°

5 PM

72°

72°

Partly Cloudy

N 8

66%

60°

8 PM

66°

66°

Mostly Cloudy

2%

0% Thunder
( 7% severe)

NNE 6

75%

58°

11 PM

62°

62°

Partly Cloudy

NE 6

84%

57°


JOHNSTOWN, PA extended weather forecast
Sunday 6 SEP 2026	Monday 7 SEP 2026	Tuesday 8 SEP 2026	Wednesday 9 SEP 2026	Thursday 10 SEP 2026
Low 57°	Low 56°	Low 57°	Low 61°	Low 64°
High 73°	High 74°	High 77°	High 80°	High 73°

Partly Cloudy 14% Rain	Clear 10% Rain	Clear 13% Rain	Partly Cloudy 22% Rain	Partly Cloudy 46% Rain

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