JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
5:54 PM EDT JUN 30, 2025
Broken Clouds Light Rain 79°F
Feels Like:	82°F
Dewpoint:	72°F
Rel. Hum.:	79%
Visibility:	10 miles
Wind:	S at 9 mph
Pressure:
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 2025 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Thunderstorms with showers likely this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce gusty winds and heavy rainfall this evening. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 80 percent.

TUESDAY
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 90 percent.

TUESDAY NIGHT
Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. West winds 5 to 10 mph. Chance of rain 90 percent.

WEDNESDAY
Mostly sunny. Highs around 80. Northwest winds 5 to 10 mph.

WEDNESDAY NIGHT
Mostly clear. Lows around 60. West winds around 5 mph.

THURSDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent.

THURSDAY NIGHT
Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent.

INDEPENDENCE DAY
Sunny. Highs around 80.

FRIDAY NIGHT
Mostly clear. Lows around 60.

SATURDAY
Mostly sunny. Hot with highs in the mid 80s.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.

SUNDAY
Mostly sunny. Humid, hot with highs in the mid 80s.

SUNDAY NIGHT
Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. 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 6/30/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
30 JUN 2025

2 PM

80°

82°

Mostly Cloudy

82%
RAIN
***

0% Thunder
( 71% severe)

SSW 6

65%

67°

High 81°

5 PM

77°

79°

Mostly Cloudy

S 7

74%

68°

Mostly Cloudy

Rain Likely

8 PM

73°

73°

Mostly Cloudy

59%
RAIN
***

0% Thunder
( 35% severe)

S 7

81%

67°

11 PM

71°

71°

Mostly Cloudy

SSW 8

87%

67°

Tuesday
1 JUL 2025

2 AM

70°

70°

Mostly Cloudy

30%
RAIN
.01–.1 in

0% Thunder
( 19% severe)

SSW 9

90%

67°

Low 69°

5 AM

69°

69°

Mostly Cloudy

SW 9

93%

67°

High 79°

8 AM

70°

70°

Mostly Cloudy

38%
RAIN
1–2 in

0% Thunder
( 24% severe)

WSW 9

90%

67°

Mostly Cloudy

Rain Likely

11 AM

73°

73°

Mostly Cloudy

WSW 9

84%

68°

2 PM

76°

77°

Partly Cloudy

64%
RAIN
***

0% Thunder
( 49% severe)

W 10

74%

67°

5 PM

76°

78°

Mostly Cloudy

W 10

71%

66°

8 PM

71°

71°

Mostly Cloudy

12%
RAIN
.25–.5 in

0% Thunder
( 20% severe)

W 7

81%

65°

11 PM

68°

68°

Mostly Cloudy

WSW 6

84%

63°

Wednesday
2 JUL 2025

2 AM

66°

66°

Mostly Cloudy

2%

0% Thunder
( 7% severe)

W 6

87%

62°

Low 64°

5 AM

65°

65°

Mostly Cloudy

W 6

90%

62°

High 80°

8 AM

67°

67°

Partly Cloudy

0%

0% Thunder
( 7% severe)

WNW 6

87%

63°

Partly Cloudy

11 AM

73°

73°

Partly Cloudy

WNW 7

71%

63°

2 PM

77°

79°

Partly Cloudy

3%

0% Thunder
( 23% severe)

WNW 8

56%

60°

5 PM

77°

79°

Partly Cloudy

WNW 8

56%

60°

8 PM

72°

72°

Partly Cloudy

WNW 6

68%

61°


JOHNSTOWN, PA extended weather forecast
Thursday 3 JUL 2025	Friday 4 JUL 2025	Saturday 5 JUL 2025	Sunday 6 JUL 2025	Monday 7 JUL 2025
Low 63°	Low 64°	Low 66°	Low 67°	Low 68°
High 80°	High 83°	High 86°	High 86°	High 83°

Partly Cloudy 28% Rain	Partly Cloudy 26% Rain	Partly Cloudy 33% Rain	Partly Cloudy 42% Rain	Mostly Cloudy 59% Rain

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