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 PM EDT AUG 16, 2026
Overcast 68°F
Feels Like:	68°F
Dewpoint:	68°F
Rel. Hum.:	100%
Visibility:	9 miles
Wind:	W at 9 mph
Pressure:	29.95 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 2026 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Cloudy. Showers likely with a chance of thunderstorms late this evening, then a chance of showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 60s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

MONDAY NIGHT
Partly cloudy. Cooler with lows in the upper 50s. Northwest winds 5 to 10 mph.

TUESDAY
Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.

TUESDAY NIGHT
Mostly clear. Lows in the upper 50s. West winds 5 to 10 mph.

WEDNESDAY
Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.

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

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.

FRIDAY
Mostly sunny. Highs in the lower 70s.

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

SATURDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

SATURDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 30 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 AM CDT 8/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
16 AUG 2026

2 PM

72°

72°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 54% severe)

W 10

93%

70°

High 75°

5 PM

74°

74°

Mostly Cloudy

WSW 10

87%

70°

Mostly Cloudy

Rain

8 PM

70°

70°

Mostly Cloudy

88%
RAIN
***

0% Thunder
( 30% severe)

WSW 9

93%

68°

11 PM

69°

69°

Mostly Cloudy

WSW 9

97%

68°

Monday
17 AUG 2026

2 AM

69°

69°

Mostly Cloudy

60%
RAIN
.1–.25 in

0% Thunder
( 12% severe)

W 9

100%

69°

Low 67°

5 AM

69°

69°

Mostly Cloudy

W 9

100%

69°

High 76°

8 AM

68°

68°

Mostly Cloudy

33%
RAIN
.01–.1 in

0% Thunder
( 16% severe)

W 9

100%

68°

Mostly Cloudy

Chance of Rain

11 AM

71°

71°

Mostly Cloudy

WNW 10

93%

69°

2 PM

73°

73°

Mostly Cloudy

39%
RAIN
1–2 in

0% Thunder
( 22% severe)

WNW 13

84%

68°

5 PM

74°

74°

Mostly Cloudy

NW 12

74%

65°

8 PM

69°

69°

Mostly Cloudy

2%

0% Thunder
( 4% severe)

NW 8

81%

63°

11 PM

64°

64°

Partly Cloudy

NNW 7

93%

62°

Tuesday
18 AUG 2026

2 AM

62°

62°

Partly Cloudy

1%

0% Thunder
( 1% severe)

NW 5

97%

61°

Low 59°

5 AM

61°

61°

Mostly Cloudy

NW 5

97%

60°

High 74°

8 AM

61°

61°

Mostly Cloudy

0%

0% Thunder
( 1% severe)

NW 6

97%

60°

Decreasing Clouds

11 AM

68°

68°

Partly Cloudy

NW 8

73%

59°

2 PM

72°

72°

Partly Cloudy

0%

0% Thunder
( 3% severe)

WNW 9

59%

57°

5 PM

73°

73°

Clear

WNW 9

57%

57°

8 PM

67°

67°

Clear

WNW 6

68%

56°


JOHNSTOWN, PA extended weather forecast
Wednesday 19 AUG 2026	Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026
Low 62°	Low 63°	Low 59°	Low 59°	Low 61°
High 78°	High 75°	High 71°	High 73°	High 77°

Mostly Cloudy 44% Rain	Overcast 71% Rain	Overcast 66% Rain	Overcast 64% Rain	Mostly Cloudy 49% Rain

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