JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
12:54 PM EDT SEP 19, 2026
Overcast 64°F
Feels Like:	64°F
Dewpoint:	55°F
Rel. Hum.:	73%
Visibility:	10 miles
Wind:	S at 9 mph
Pressure:	30.15 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

TODAY
Partly sunny. A slight chance of showers this morning. Highs around 70. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

TONIGHT
Mostly cloudy. Showers likely after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

SUNDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

SUNDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 50s. Northwest winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50 percent.

MONDAY
Mostly cloudy. Highs in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

MONDAY NIGHT
Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 40s. Chance of rain 70 percent.

TUESDAY
Showers likely. Highs in the mid 50s. Chance of rain 70 percent.

TUESDAY NIGHT
Showers likely. Lows in the mid 40s. Chance of rain 60 percent.

WEDNESDAY
Cloudy. Showers likely, mainly in the morning. Highs in the mid 50s. Chance of rain 60 percent.

WEDNESDAY NIGHT
Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 40s. Chance of rain 60 percent.

THURSDAY
Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 50s. Chance of rain 60 percent.

THURSDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 50 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s.

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 9/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
19 SEP 2026

2 PM

67°

67°

Mostly Cloudy

6%

0% Thunder
( 5% severe)

SSE 9

63%

54°

High 69°

5 PM

68°

68°

Mostly Cloudy

SE 9

63%

55°

Mostly Cloudy

Chance of Rain

8 PM

63°

62°

Mostly Cloudy

28%
RAIN
<.01 in

0% Thunder
( 10% severe)

SE 10

72%

54°

11 PM

63°

62°

Mostly Cloudy

SSE 12

81%

57°

Sunday
20 SEP 2026

2 AM

62°

61°

Mostly Cloudy

76%
RAIN
***

0% Thunder
( 19% severe)

SSE 10

90%

59°

Low 61°

5 AM

62°

61°

Mostly Cloudy

S 9

93%

60°

High 71°

8 AM

63°

63°

Mostly Cloudy

74%
RAIN
***

0% Thunder
( 19% severe)

SSW 8

93%

61°

Mostly Cloudy

Rain Likely

11 AM

66°

66°

Mostly Cloudy

SW 9

93%

64°

2 PM

69°

69°

Mostly Cloudy

83%
RAIN
***

0% Thunder
( 36% severe)

WSW 10

90%

66°

5 PM

69°

69°

Mostly Cloudy

W 9

87%

65°

8 PM

65°

65°

Mostly Cloudy

32%
RAIN
1–2 in

0% Thunder
( 16% severe)

NW 7

93%

63°

11 PM

62°

61°

Mostly Cloudy

NNE 9

97%

61°

Monday
21 SEP 2026

2 AM

59°

57°

Mostly Cloudy

33%
RAIN
***

0% Thunder
( 3% severe)

NE 9

93%

57°

Low 53°

5 AM

55°

52°

Mostly Cloudy

ENE 9

93%

53°

High 61°

8 AM

53°

50°

Mostly Cloudy

29%
RAIN
***

0% Thunder
( 5% severe)

ENE 9

86%

49°

Mostly Cloudy

Chance of Rain

11 AM

56°

54°

Mostly Cloudy

E 9

77%

49°

2 PM

60°

59°

Mostly Cloudy

33%
RAIN
.5–1 in

0% Thunder
( 7% severe)

E 9

67%

49°

5 PM

61°

60°

Mostly Cloudy

E 9

65%

49°

8 PM

56°

53°

Mostly Cloudy

E 10

77%

49°


JOHNSTOWN, PA extended weather forecast
Tuesday 22 SEP 2026	Wednesday 23 SEP 2026	Thursday 24 SEP 2026	Friday 25 SEP 2026	Saturday 26 SEP 2026
Low 54°	Low 47°	Low 48°	Low 48°	Low 49°
High 58°	High 56°	High 61°	High 64°	High 67°

Overcast 86% Rain	Overcast 61% Rain	Overcast 54% Rain	Overcast 40% Rain	Partly Cloudy 31% Rain

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