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 MAY 19, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	57°F
Rel. Hum.:	57%
Visibility:	10 miles
Wind:	SSW at 7 mph
Pressure:	30.17 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

REST OF TONIGHT
Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph.

TUESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

WEDNESDAY
Showers. Not as warm with highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

WEDNESDAY NIGHT
Mostly cloudy. Showers likely in the evening. Much cooler. Less humid with lows in the mid 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

THURSDAY
Partly sunny. Cooler with highs in the mid 60s.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

FRIDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.

FRIDAY NIGHT
Showers. Lows in the upper 40s. Chance of rain 90 percent.

SATURDAY
Showers. A chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 90 percent.

SATURDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 90 percent.

SUNDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 70 percent.

SUNDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 70 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 5/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
19 MAY 2026

2 AM

67°

67°

Mostly Cloudy

6%

0% Thunder
( 10% severe)

SSW 8

73%

58°

Low 65°

5 AM

66°

66°

Partly Cloudy

SSW 8

73%

57°

High 85°

8 AM

71°

71°

Partly Cloudy

8%

0% Thunder
( 10% severe)

SW 9

66%

59°

Partly Cloudy

11 AM

79°

80°

Partly Cloudy

WSW 14

52%

60°

2 PM

83°

83°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 33% severe)

WSW 15

44%

59°

5 PM

85°

84°

Partly Cloudy

WSW 14

39%

57°

8 PM

79°

80°

Partly Cloudy

5%

0% Thunder
( 10% severe)

SW 10

49%

58°

11 PM

73°

73°

Partly Cloudy

SSW 9

57%

57°

Wednesday
20 MAY 2026

2 AM

69°

69°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 11% severe)

SW 9

68%

58°

Low 66°

5 AM

68°

68°

Partly Cloudy

WSW 10

73%

59°

High 75°

8 AM

70°

70°

Mostly Cloudy

77%
RAIN
>2 in

0% Thunder
( 19% severe)

W 13

73%

61°

Mostly Cloudy

Rain Likely

11 AM

72°

72°

Mostly Cloudy

W 13

71%

62°

2 PM

70°

70°

Mostly Cloudy

63%
RAIN
>2 in

0% Thunder
( 29% severe)

WNW 13

76%

62°

5 PM

66°

66°

Mostly Cloudy

NW 12

73%

57°

8 PM

62°

61°

Mostly Cloudy

9%

0% Thunder
( 6% severe)

NW 10

70%

52°

11 PM

56°

54°

Mostly Cloudy

NNW 8

72%

47°


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 64°	Low 47°	Low 46°	Low 46°	Low 51°
High 73°	High 60°	High 60°	High 62°	High 65°

Overcast 63% Rain	Overcast 46% Rain	Overcast 66% Rain	Overcast 82% Rain	Overcast 77% Rain

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