JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
7:54 AM EDT SEP 13, 2026
Overcast 66°F
Feels Like:	66°F
Dewpoint:	66°F
Rel. Hum.:	100%
Visibility:	7 miles
Wind:	WSW at 5 mph
Pressure:	30.00 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
Cloudy with a chance of showers this morning, then partly sunny this afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 40 percent.

TONIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Cooler with lows in the mid 50s. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

MONDAY
Mostly sunny. Cooler. Less humid with highs in the upper 60s. Northwest winds 5 to 10 mph.

MONDAY NIGHT
Mostly clear. Lows in the upper 40s. North winds around 5 mph, becoming east after midnight.

TUESDAY
Sunny. Highs in the lower 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 50s.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. More humid. Very warm with highs in the lower 80s. Chance of rain 40 percent.

WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 60s. Chance of rain 40 percent.

THURSDAY
Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid. Very warm with highs around 80. Chance of rain 60 percent.

THURSDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the lower 60s. Chance of rain 60 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Humid with highs in the upper 70s.

FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s.

SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 70s.

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 9/12/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
13 SEP 2026

2 AM

67°

67°

Overcast

56%
RAIN
1–2 in

0% Thunder
( 16% severe)

SSW 6

97%

66°

Low 64°

5 AM

66°

66°

Mostly Cloudy

SW 6

97%

65°

High 76°

8 AM

65°

65°

Mostly Cloudy

6%

0% Thunder
( 11% severe)

WSW 6

100%

65°

Mostly Cloudy

11 AM

68°

68°

Mostly Cloudy

W 8

93%

66°

2 PM

73°

73°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 15% severe)

W 9

79%

66°

5 PM

75°

75°

Partly Cloudy

W 10

71%

65°

8 PM

68°

68°

Mostly Cloudy

56%
RAIN
.25–.5 in

0% Thunder
( 15% severe)

W 9

87%

64°

11 PM

66°

66°

Mostly Cloudy

WNW 8

93%

64°

Monday
14 SEP 2026

2 AM

63°

62°

Mostly Cloudy

20%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

NW 9

97%

62°

Low 56°

5 AM

60°

58°

Mostly Cloudy

NNW 10

93%

58°

High 66°

8 AM

56°

54°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

NNW 9

96%

55°

Partly Cloudy

11 AM

60°

59°

Partly Cloudy

NNW 9

69%

50°

2 PM

64°

63°

Clear

0%

0% Thunder
( 0% severe)

NNW 10

54%

47°

5 PM

65°

65°

Partly Cloudy

NNW 9

50%

46°

8 PM

56°

56°

Clear

0%

0% Thunder
( 0% severe)

N 3

72%

47°

11 PM

52°

52°

Partly Cloudy

E 3

83%

47°


JOHNSTOWN, PA extended weather forecast
Tuesday 15 SEP 2026	Wednesday 16 SEP 2026	Thursday 17 SEP 2026	Friday 18 SEP 2026	Saturday 19 SEP 2026
Low 49°	Low 59°	Low 64°	Low 57°	Low 55°
High 71°	High 77°	High 73°	High 71°	High 71°

Clear 8% Rain	Mostly Cloudy 41% Rain	Overcast 62% Rain	Mostly Cloudy 31% Rain	Partly Cloudy 31% Rain

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