JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
9:54 PM EDT MAY 13, 2026
Overcast 48°F
Feels Like:	44°F
Dewpoint:	45°F
Rel. Hum.:	89%
Visibility:	10 miles
Wind:	WNW at 10 mph
Pressure:	29.84 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 2025 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a slight chance of showers after midnight. Cooler with lows in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

THURSDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Cooler with highs around 50. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

THURSDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

FRIDAY
Mostly sunny. Not as cool with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 40s. West winds 5 to 10 mph, becoming southwest after midnight.

SATURDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Warmer with highs in the upper 70s. Chance of rain 40 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Not as cool with lows in the upper 50s. Chance of rain 50 percent.

SUNDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 30 percent.

MONDAY
Mostly sunny. Hot with highs in the mid 80s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

TUESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 30 percent.

TUESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. 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 AM CDT 5/13/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
13 MAY 2026

2 PM

59°

56°

Mostly Cloudy

95%
RAIN
***

0% Thunder
( 54% severe)

SW 15

64%

47°

High 60°

5 PM

59°

56°

Mostly Cloudy

WSW 14

67%

48°

Mostly Cloudy

Rain

8 PM

53°

50°

Mostly Cloudy

28%
RAIN
.01–.1 in

0% Thunder
( 7% severe)

WNW 10

77%

46°

11 PM

48°

44°

Mostly Cloudy

NW 9

83%

43°

Thursday
14 MAY 2026

2 AM

45°

40°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 4% severe)

WNW 9

82%

40°

Low 42°

5 AM

43°

37°

Mostly Cloudy

WNW 10

86%

39°

High 50°

8 AM

43°

36°

Mostly Cloudy

42%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

WNW 13

86%

39°

Mostly Cloudy

Rain Likely

11 AM

45°

39°

Mostly Cloudy

WNW 14

79%

39°

2 PM

47°

41°

Mostly Cloudy

52%
RAIN
.01–.1 in

0% Thunder
( 10% severe)

WNW 15

74%

39°

5 PM

47°

41°

Mostly Cloudy

WNW 15

74%

39°

8 PM

47°

41°

Mostly Cloudy

37%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

WNW 13

74%

39°

11 PM

45°

39°

Mostly Cloudy

WNW 12

82%

40°

Friday
15 MAY 2026

2 AM

44°

38°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 2% severe)

WNW 12

82%

39°

Low 42°

5 AM

43°

37°

Mostly Cloudy

WNW 12

86%

39°

High 63°

8 AM

45°

39°

Partly Cloudy

0%

0% Thunder
( 1% severe)

WNW 12

82%

40°

Mostly Cloudy

11 AM

51°

47°

Mostly Cloudy

WNW 12

68%

41°

2 PM

59°

57°

Partly Cloudy

0%

0% Thunder
( 3% severe)

WNW 12

51%

41°

5 PM

63°

62°

Mostly Cloudy

W 10

44%

41°

8 PM

58°

57°

Partly Cloudy

W 6

55%

42°


JOHNSTOWN, PA extended weather forecast
Saturday 16 MAY 2026	Sunday 17 MAY 2026	Monday 18 MAY 2026	Tuesday 19 MAY 2026	Wednesday 20 MAY 2026
Low 50°	Low 59°	Low 62°	Low 61°	Low 58°
High 71°	High 75°	High 81°	High 77°	High 69°

Overcast 39% Rain	Overcast 74% Rain	Partly Cloudy 53% Rain	Partly Cloudy 55% Rain	Overcast 59% Rain

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