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 PM EDT AUG 10, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	63°F
Rel. Hum.:	78%
Visibility:	10 miles
Wind:	WSW at 9 mph
Pressure:	30.04 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

TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. West winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

TUESDAY
Mostly cloudy with 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 25 mph. Chance of rain 50 percent.

TUESDAY 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. West winds 5 to 10 mph. Chance of rain 70 percent.

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. 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. Lows in the lower 60s. Southwest winds around 5 mph. Chance of rain 50 percent.

THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. Chance of rain 40 percent.

THURSDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.

FRIDAY
A chance of showers in the morning. Partly sunny. Highs in the mid 70s. Chance of rain 40 percent.

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

SATURDAY
Mostly sunny. Highs in the mid 70s.

SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 40 percent.

SUNDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.

SUNDAY NIGHT
A chance of thunderstorms in the evening. Showers likely. Lows in the lower 60s. Chance of rain 70 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 8/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
10 AUG 2026

2 PM

75°

75°

Mostly Cloudy

75%
RAIN
***

0% Thunder
( 39% severe)

W 12

79%

68°

High 76°

5 PM

75°

75°

Mostly Cloudy

WSW 12

76%

67°

Mostly Cloudy

Rain Likely

8 PM

71°

71°

Mostly Cloudy

24%
RAIN
.01–.1 in

0% Thunder
( 23% severe)

WSW 10

84%

66°

11 PM

69°

69°

Mostly Cloudy

W 9

93%

67°

Tuesday
11 AUG 2026

2 AM

68°

68°

Mostly Cloudy

30%
RAIN
***

0% Thunder
( 21% severe)

WSW 9

97%

67°

Low 66°

5 AM

68°

68°

Mostly Cloudy

SW 9

97%

67°

High 75°

8 AM

67°

67°

Mostly Cloudy

41%
RAIN
.25–.5 in

0% Thunder
( 14% severe)

W 9

97%

66°

Mostly Cloudy

Chance of Rain

11 AM

70°

70°

Mostly Cloudy

W 10

90%

67°

2 PM

73°

73°

Mostly Cloudy

46%
RAIN
***

0% Thunder
( 39% severe)

W 12

81%

67°

5 PM

73°

73°

Mostly Cloudy

W 10

81%

67°

8 PM

69°

69°

Mostly Cloudy

69%
RAIN
***

0% Thunder
( 30% severe)

W 8

87%

65°

11 PM

66°

66°

Mostly Cloudy

W 7

97%

65°

Wednesday
12 AUG 2026

2 AM

65°

65°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 7% severe)

W 6

100%

65°

Low 63°

5 AM

65°

65°

Mostly Cloudy

W 6

97%

64°

High 76°

8 AM

64°

64°

Mostly Cloudy

15%
RAIN
.1–.25 in

0% Thunder
( 9% severe)

W 6

97%

63°

Mostly Cloudy

Chance of Rain

11 AM

69°

69°

Mostly Cloudy

W 6

84%

64°

2 PM

73°

73°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 19% severe)

W 8

76%

65°

5 PM

74°

74°

Partly Cloudy

W 8

74%

65°

8 PM

69°

69°

Partly Cloudy

W 7

84%

64°


JOHNSTOWN, PA extended weather forecast
Thursday 13 AUG 2026	Friday 14 AUG 2026	Saturday 15 AUG 2026	Sunday 16 AUG 2026	Monday 17 AUG 2026
Low 64°	Low 64°	Low 59°	Low 64°	Low 64°
High 80°	High 77°	High 77°	High 77°	High 79°

Partly Cloudy 33% Rain	Mostly Cloudy 32% Rain	Partly Cloudy 13% Rain	Mostly Cloudy 54% Rain	Mostly Cloudy 54% Rain

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