JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
10:54 AM EDT SEP 16, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	63°F
Rel. Hum.:	71%
Visibility:	10 miles
Wind:	WSW at 6 mph
Pressure:	30.41 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 sunny. A slight chance of showers and thunderstorms this afternoon. Warmer with highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 20 percent.

TONIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 50 percent.

THURSDAY
Showers likely. A chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 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. Northwest winds 5 to 10 mph. Chance of rain 70 percent.

FRIDAY
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. North winds 5 to 10 mph.

FRIDAY NIGHT
Partly cloudy. Cooler with lows in the lower 50s.

SATURDAY
Partly sunny. Highs around 70.

SATURDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Chance of rain 70 percent.

SUNDAY
Showers. Highs in the lower 70s. Chance of rain 90 percent.

SUNDAY NIGHT
Showers, mainly in the evening. Lows in the upper 50s. Chance of rain 80 percent.

MONDAY
Mostly cloudy with a chance of showers. Highs around 70. Chance of rain 50 percent.

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

TUESDAY
Mostly cloudy with a chance of showers. Highs around 70. Chance of rain 40 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 9/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 SEP 2026

2 AM

59°

58°

Partly Cloudy

1%

0% Thunder
( 0% severe)

S 7

80%

53°

Low 58°

5 AM

60°

60°

Partly Cloudy

S 6

81%

54°

High 81°

8 AM

62°

62°

Partly Cloudy

4%

0% Thunder
( 4% severe)

S 5

84%

57°

Partly Cloudy

Chance of Rain

11 AM

73°

73°

Partly Cloudy

WSW 5

68%

62°

2 PM

79°

81°

Partly Cloudy

33%
RAIN
<.01 in

0% Thunder
( 33% severe)

W 6

62%

65°

5 PM

80°

82°

Partly Cloudy

W 6

62%

66°

8 PM

71°

71°

Partly Cloudy

32%
RAIN
<.01 in

0% Thunder
( 30% severe)

WNW 2

84%

66°

11 PM

68°

68°

Mostly Cloudy

S 1

93%

66°

Thursday
17 SEP 2026

2 AM

67°

67°

Mostly Cloudy

22%
RAIN
.01–.1 in

0% Thunder
( 15% severe)

SSW 3

97%

66°

Low 65°

5 AM

67°

67°

Mostly Cloudy

SSW 5

93%

65°

High 78°

8 AM

67°

67°

Mostly Cloudy

39%
RAIN
.1–.25 in

0% Thunder
( 19% severe)

SSW 6

97%

66°

Mostly Cloudy

Rain Likely

11 AM

73°

73°

Mostly Cloudy

WSW 8

87%

69°

2 PM

75°

75°

Mostly Cloudy

67%
RAIN
1–2 in

0% Thunder
( 30% severe)

W 10

82%

69°

5 PM

76°

77°

Mostly Cloudy

W 9

76%

68°

8 PM

70°

70°

Mostly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

W 7

93%

68°

11 PM

69°

69°

Mostly Cloudy

WNW 6

97%

68°


JOHNSTOWN, PA extended weather forecast
Friday 18 SEP 2026	Saturday 19 SEP 2026	Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026
Low 64°	Low 56°	Low 61°	Low 62°	Low 61°
High 75°	High 70°	High 74°	High 73°	High 70°

Mostly Cloudy 54% Rain	Mostly Cloudy 24% Rain	Overcast 85% Rain	Overcast 75% Rain	Overcast 80% Rain

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