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 AM EDT SEP 1, 2026
72°F
Feels Like:	72°F
Dewpoint:	66°F
Rel. Hum.:	81%
Visibility:	10 miles
Wind:	SW at 8 mph
Pressure:	30.12 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

REST OF TONIGHT
Mostly cloudy. Near steady temperature in the upper 60s. Southwest winds 5 to 10 mph.

TUESDAY
Mostly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Hot with highs in the mid 80s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

TUESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

WEDNESDAY
A chance of showers in the morning. Mostly sunny. Hot with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 50 percent.

WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Some thunderstorms may be severe in the evening. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Humid, hot with highs in the lower 80s. Chance of rain 50 percent.

THURSDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Some thunderstorms may be severe in the evening. Humid with lows in the mid 60s. Chance of rain 50 percent.

FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. Chance of rain 50 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 50 percent.

SATURDAY
Partly sunny. Highs in the mid 70s.

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

SUNDAY
Mostly sunny. Highs in the mid 70s.

SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.

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 8/31/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
1 SEP 2026

2 AM

68°

68°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 13% severe)

SSW 7

90%

65°

Low 67°

5 AM

68°

68°

Mostly Cloudy

SW 8

90%

65°

High 83°

8 AM

69°

69°

Partly Cloudy

23%
RAIN
***

0% Thunder
( 12% severe)

WSW 8

87%

65°

Partly Cloudy

Chance of Rain

11 AM

77°

79°

Mostly Cloudy

W 12

74%

68°

2 PM

81°

84°

Partly Cloudy

8%

0% Thunder
( 18% severe)

W 13

63%

67°

5 PM

82°

84°

Partly Cloudy

W 12

58%

66°

8 PM

76°

77°

Mostly Cloudy

25%
RAIN
<.01 in

0% Thunder
( 32% severe)

W 7

74%

67°

11 PM

72°

72°

Mostly Cloudy

WSW 6

87%

68°

Wednesday
2 SEP 2026

2 AM

71°

71°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 29% severe)

SW 5

90%

68°

Low 69°

5 AM

70°

70°

Mostly Cloudy

SW 6

93%

68°

High 85°

8 AM

70°

70°

Mostly Cloudy

26%
RAIN
>2 in

0% Thunder
( 21% severe)

SSW 6

90%

67°

Partly Cloudy

Chance of Rain

11 AM

78°

80°

Partly Cloudy

W 8

79%

71°

2 PM

83°

86°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 39% severe)

WSW 10

61%

68°

5 PM

83°

86°

Partly Cloudy

WSW 9

59%

67°

8 PM

76°

77°

Partly Cloudy

40%
RAIN
>2 in

0% Thunder
( 21% severe)

SSW 7

74%

67°

11 PM

72°

72°

Partly Cloudy

SW 7

84%

67°


JOHNSTOWN, PA extended weather forecast
Thursday 3 SEP 2026	Friday 4 SEP 2026	Saturday 5 SEP 2026	Sunday 6 SEP 2026	Monday 7 SEP 2026
Low 68°	Low 68°	Low 63°	Low 56°	Low 57°
High 83°	High 78°	High 76°	High 74°	High 75°

Mostly Cloudy 73% Rain	Overcast 81% Rain	Mostly Cloudy 34% Rain	Clear 14% Rain	Partly Cloudy 27% Rain

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