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 JUL 20, 2026
Clear 57°F
Feels Like:	57°F
Dewpoint:	55°F
Rel. Hum.:	93%
Visibility:	7 miles
Wind:	Calm
Pressure:	30.05 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 2025 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Sunny. Patchy smoke. Highs in the upper 70s. South winds around 5 mph.

TONIGHT
Patchy smoke in the evening. Mostly cloudy. Not as cool with lows in the mid 60s. South winds 5 to 10 mph.

TUESDAY
Mostly cloudy. A chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

TUESDAY NIGHT
Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the evening. Humid with lows in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

WEDNESDAY
Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the lower 50s.

THURSDAY
Sunny. Highs in the lower 70s.

THURSDAY NIGHT
Mostly clear. Lows in the mid 50s.

FRIDAY
Sunny. Highs in the upper 70s.

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

SATURDAY
Mostly sunny. Highs in the upper 70s.

SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s.

SUNDAY
Mostly sunny. Highs in the lower 80s.

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 7/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
20 JUL 2026

2 AM

56°

56°

Partly Cloudy

0%

0% Thunder
( 0% severe)

ENE 1

86%

52°

Low 53°

5 AM

54°

54°

Partly Cloudy

CALM

86%

50°

High 77°

8 AM

59°

60°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

80%

53°

Partly Cloudy

11 AM

69°

69°

Clear

SSW 3

59%

54°

2 PM

75°

75°

Partly Cloudy

1%

0% Thunder
( 3% severe)

SSW 6

48%

54°

5 PM

77°

79°

Partly Cloudy

SSW 6

48%

56°

8 PM

71°

71°

Mostly Cloudy

1%

0% Thunder
( 5% severe)

SSE 5

68%

60°

11 PM

67°

67°

Mostly Cloudy

SSE 8

78%

60°

Tuesday
21 JUL 2026

2 AM

66°

66°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 5% severe)

S 8

87%

62°

Low 65°

5 AM

66°

66°

Mostly Cloudy

S 8

90%

63°

High 78°

8 AM

68°

68°

Mostly Cloudy

40%
RAIN
.25–.5 in

0% Thunder
( 18% severe)

SSW 8

90%

65°

Mostly Cloudy

Rain Likely

11 AM

74°

74°

Mostly Cloudy

SW 12

76%

66°

2 PM

75°

75°

Mostly Cloudy

70%
RAIN
***

0% Thunder
( 53% severe)

SW 13

74%

66°

5 PM

74°

74°

Partly Cloudy

SW 13

79%

67°

8 PM

70°

70°

Mostly Cloudy

81%
RAIN
***

0% Thunder
( 32% severe)

WSW 12

84%

65°

11 PM

68°

68°

Mostly Cloudy

WSW 12

93%

66°


JOHNSTOWN, PA extended weather forecast
Wednesday 22 JUL 2026	Thursday 23 JUL 2026	Friday 24 JUL 2026	Saturday 25 JUL 2026	Sunday 26 JUL 2026
Low 61°	Low 51°	Low 55°	Low 59°	Low 62°
High 69°	High 72°	High 78°	High 80°	High 79°

Overcast 57% Rain	Clear 17% Rain	Clear 11% Rain	Clear 19% Rain	Partly Cloudy 34% Rain

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