JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
6:54 AM EDT JUL 17, 2026
Overcast Haze 63°F
Feels Like:	64°F
Dewpoint:	57°F
Rel. Hum.:	81%
Visibility:	1 1/4 miles
Wind:	NW at 3 mph
Pressure:	30.16 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
Mostly sunny. Smoke. Very warm with highs in the lower 80s. Light and variable winds, becoming northwest around 5 mph this afternoon.

TONIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Smoke. Lows in the mid 60s. West winds around 5 mph, becoming south after midnight. Chance of rain 20 percent.

SATURDAY
Areas of smoke in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. More humid with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

SATURDAY NIGHT
A chance of thunderstorms in the evening. Showers. Some thunderstorms may produce gusty winds in the evening. Humid with lows in the lower 60s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

SUNDAY
Partly sunny in the morning, then clearing. Highs in the upper 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

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

MONDAY
Sunny. Highs around 80.

MONDAY NIGHT
Mostly cloudy. Lows in the mid 60s.

TUESDAY
Partly sunny in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 70 percent.

TUESDAY NIGHT
A chance of thunderstorms in the evening. Showers likely. Humid with lows in the lower 60s. Chance of rain 70 percent.

WEDNESDAY
Partly sunny. Highs in the mid 70s.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.

THURSDAY
Sunny. Highs in the mid 70s.

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 7/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
17 JUL 2026

2 AM

63°

64°

Partly Cloudy

0%

0% Thunder
( 1% severe)

N 3

78%

56°

Low 60°

5 AM

61°

62°

Partly Cloudy

CALM

84%

56°

High 82°

8 AM

66°

66°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

75%

58°

Partly Cloudy

11 AM

76°

78°

Partly Cloudy

CALM

48%

55°

2 PM

81°

80°

Partly Cloudy

0%

0% Thunder
( 6% severe)

NW 5

38%

53°

5 PM

82°

81°

Partly Cloudy

WNW 5

38%

54°

8 PM

76°

78°

Partly Cloudy

3%

0% Thunder
( 6% severe)

CALM

60%

61°

11 PM

69°

69°

Mostly Cloudy

SSE 3

68%

58°

Saturday
18 JUL 2026

2 AM

68°

68°

Mostly Cloudy

40%
RAIN
.01–.1 in

0% Thunder
( 21% severe)

S 6

70%

58°

Low 66°

5 AM

68°

68°

Mostly Cloudy

S 7

76%

60°

High 78°

8 AM

69°

69°

Mostly Cloudy

86%
RAIN
***

0% Thunder
( 27% severe)

SW 8

87%

65°

Mostly Cloudy

Rain Likely

11 AM

73°

73°

Mostly Cloudy

SW 12

84%

68°

2 PM

75°

75°

Partly Cloudy

80%
RAIN
***

0% Thunder
( 52% severe)

WSW 14

82%

69°

5 PM

75°

75°

Mostly Cloudy

WSW 14

84%

70°

8 PM

72°

72°

Partly Cloudy

90%
RAIN
***

0% Thunder
( 30% severe)

WSW 13

87%

68°

11 PM

70°

70°

Mostly Cloudy

W 12

93%

68°


JOHNSTOWN, PA extended weather forecast
Sunday 19 JUL 2026	Monday 20 JUL 2026	Tuesday 21 JUL 2026	Wednesday 22 JUL 2026	Thursday 23 JUL 2026
Low 63°	Low 59°	Low 65°	Low 59°	Low 54°
High 78°	High 80°	High 79°	High 72°	High 73°

Mostly Cloudy 59% Rain	Partly Cloudy 10% Rain	Mostly Cloudy 74% Rain	Overcast 73% Rain	Mostly Cloudy 42% Rain

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