JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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15915 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JOHNSTOWN, PA Current Weather
5:54 PM EDT AUG 13, 2026
Few Clouds 73°F
Feels Like:	73°F
Dewpoint:	64°F
Rel. Hum.:	73%
Visibility:	10 miles
Wind:	W at 6 mph
Pressure:	30.04 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

TONIGHT
Mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northwest winds 5 to 10 mph this evening, becoming light and variable.

FRIDAY
Mostly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 20 percent.

FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60. Northeast winds around 5 mph.

SATURDAY
Mostly sunny. Highs in the upper 70s. East winds around 5 mph.

SATURDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly cloudy with showers likely after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 60 percent.

SUNDAY
Showers likely in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the upper 70s. Chance of rain 90 percent.

SUNDAY NIGHT
Mostly cloudy. Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Chance of rain 90 percent.

MONDAY
Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the mid 70s. Chance of rain 50 percent.

MONDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 50 percent.

TUESDAY
Mostly sunny. Highs in the upper 70s.

TUESDAY NIGHT
Mostly clear. Lows around 60.

WEDNESDAY
Mostly sunny. Highs in the upper 70s.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows 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 8/13/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
13 AUG 2026

2 PM

74°

74°

Mostly Cloudy

2%

0% Thunder
( 19% severe)

WNW 10

71%

64°

High 77°

5 PM

76°

78°

Mostly Cloudy

WNW 9

64%

63°

Mostly Cloudy

8 PM

71°

71°

Mostly Cloudy

9%

0% Thunder
( 3% severe)

NW 5

76%

63°

11 PM

66°

66°

Mostly Cloudy

CALM

90%

63°

Friday
14 AUG 2026

2 AM

65°

65°

Mostly Cloudy

7%

0% Thunder
( 1% severe)

CALM

90%

62°

Low 63°

5 AM

64°

66°

Mostly Cloudy

CALM

90%

61°

High 76°

8 AM

65°

65°

Mostly Cloudy

25%
RAIN
.5–1 in

0% Thunder
( 7% severe)

SSE 2

90%

62°

Mostly Cloudy

Chance of Rain

11 AM

71°

71°

Mostly Cloudy

S 1

76%

63°

2 PM

73°

73°

Mostly Cloudy

17%
RAIN
.1–.25 in

0% Thunder
( 22% severe)

SW 5

71%

63°

5 PM

74°

74°

Mostly Cloudy

WNW 5

69%

63°

8 PM

69°

69°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 10% severe)

NNE 5

78%

62°

11 PM

66°

66°

Mostly Cloudy

ENE 5

87%

62°

Saturday
15 AUG 2026

2 AM

64°

65°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

E 5

90%

61°

Low 61°

5 AM

62°

62°

Partly Cloudy

E 6

90%

59°

High 77°

8 AM

62°

62°

Partly Cloudy

5%

0% Thunder
( 3% severe)

E 6

90%

59°

Partly Cloudy

11 AM

70°

70°

Partly Cloudy

ESE 7

71%

60°

2 PM

74°

74°

Partly Cloudy

6%

0% Thunder
( 9% severe)

ESE 5

62%

60°

5 PM

76°

78°

Partly Cloudy

SE 3

58%

60°

8 PM

70°

70°

Partly Cloudy

ESE 6

73%

61°


JOHNSTOWN, PA extended weather forecast
Sunday 16 AUG 2026	Monday 17 AUG 2026	Tuesday 18 AUG 2026	Wednesday 19 AUG 2026	Thursday 20 AUG 2026
Low 66°	Low 67°	Low 59°	Low 60°	Low 62°
High 83°	High 76°	High 78°	High 78°	High 77°

Overcast 74% Rain	Overcast 60% Rain	Partly Cloudy 25% Rain	Partly Cloudy 39% Rain	Overcast 58% Rain

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