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 AM EDT AUG 23, 2026
Overcast 61°F
Feels Like:	62°F
Dewpoint:	57°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	WSW at 3 mph
Pressure:	29.91 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 2026 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Patchy fog. Near steady temperature in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

SUNDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

MONDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

MONDAY NIGHT
Mostly clear. Lows in the lower 50s. West winds 10 to 15 mph.

TUESDAY
Mostly sunny. Highs in the lower 70s.

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

WEDNESDAY
Mostly sunny. Highs in the mid 70s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the lower 60s.

THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 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 50 percent.

FRIDAY
Partly sunny. A chance of showers in the afternoon. Humid with highs in the mid 70s. Chance of rain 40 percent.

FRIDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows around 60. Chance of rain 40 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 PM CDT 8/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
23 AUG 2026

2 AM

62°

61°

Mostly Cloudy

32%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

SW 9

97%

61°

Low 58°

5 AM

61°

59°

Mostly Cloudy

W 12

100%

61°

High 68°

8 AM

59°

57°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 12% severe)

W 12

100%

59°

Mostly Cloudy

Chance of Rain

11 AM

62°

60°

Mostly Cloudy

W 13

87%

58°

2 PM

64°

63°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 17% severe)

W 15

75%

56°

5 PM

64°

63°

Partly Cloudy

W 14

70%

54°

8 PM

60°

59°

Partly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 10% severe)

W 9

78%

53°

11 PM

57°

55°

Partly Cloudy

SW 8

90%

54°

Monday
24 AUG 2026

2 AM

56°

54°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 5% severe)

SW 8

93%

54°

Low 54°

5 AM

56°

54°

Mostly Cloudy

WSW 9

96%

55°

High 66°

8 AM

55°

52°

Mostly Cloudy

1%

0% Thunder
( 3% severe)

W 9

96%

54°

Mostly Cloudy

11 AM

59°

57°

Mostly Cloudy

W 12

80%

53°

2 PM

62°

60°

Partly Cloudy

2%

0% Thunder
( 6% severe)

W 15

70%

52°

5 PM

63°

61°

Partly Cloudy

W 15

65%

51°

8 PM

59°

57°

Clear

1%

0% Thunder
( 2% severe)

W 9

72%

50°

11 PM

56°

54°

Partly Cloudy

W 7

83%

51°


JOHNSTOWN, PA extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 53°	Low 54°	Low 56°	Low 62°	Low 59°
High 68°	High 73°	High 78°	High 75°	High 74°

Partly Cloudy 25% Rain	Partly Cloudy 18% Rain	Partly Cloudy 20% Rain	Overcast 54% Rain	Overcast 47% Rain

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