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 16, 2026
Overcast 61°F
Feels Like:	60°F
Dewpoint:	57°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	WSW at 7 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 2025 Hurricanes	JOHNSTOWN, PA 15915 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening. Not as cool with lows in the upper 50s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

SUNDAY
Mostly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 20 percent.

SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s. South winds around 5 mph.

MONDAY
Mostly sunny. Hot with highs in the upper 80s. Southwest winds 5 to 10 mph.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph.

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

TUESDAY NIGHT
Partly cloudy. Lows in the upper 60s.

WEDNESDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Very warm with highs in the lower 80s. Chance of rain near 100 percent.

WEDNESDAY NIGHT
Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the lower 50s. Chance of rain near 100 percent.

THURSDAY
Partly sunny. Much 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 in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 60s.

FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows around 50.

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 5/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
16 MAY 2026

2 PM

74°

74°

Partly Cloudy

40%
RAIN
<.01 in

0% Thunder
( 20% severe)

SW 13

43%

50°

High 75°

5 PM

73°

73°

Mostly Cloudy

WSW 15

49%

53°

Mostly Cloudy

Chance of Rain

8 PM

67°

67°

Mostly Cloudy

31%
RAIN
.1–.25 in

0% Thunder
( 10% severe)

WSW 13

65%

55°

11 PM

63°

62°

Mostly Cloudy

WSW 10

81%

57°

Sunday
17 MAY 2026

2 AM

61°

60°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 7% severe)

WSW 10

87%

57°

Low 59°

5 AM

60°

59°

Mostly Cloudy

WSW 8

90%

57°

High 79°

8 AM

63°

63°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 15% severe)

WSW 8

84%

58°

Partly Cloudy

11 AM

69°

69°

Partly Cloudy

W 8

70%

59°

2 PM

76°

78°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 37% severe)

W 7

56%

59°

5 PM

79°

80°

Partly Cloudy

W 6

47%

57°

8 PM

73°

73°

Partly Cloudy

3%

0% Thunder
( 15% severe)

SW 2

62%

59°

11 PM

65°

65°

Partly Cloudy

S 5

75%

57°

Monday
18 MAY 2026

2 AM

62°

62°

Partly Cloudy

1%

0% Thunder
( 5% severe)

SSE 6

78%

55°

Low 62°

5 AM

62°

62°

Partly Cloudy

S 6

78%

55°

High 87°

8 AM

69°

69°

Partly Cloudy

1%

0% Thunder
( 4% severe)

S 7

66%

57°

Partly Cloudy

11 AM

80°

81°

Clear

SW 8

49%

59°

2 PM

85°

84°

Clear

14%
RAIN
<.01 in

0% Thunder
( 33% severe)

SW 9

40%

58°

5 PM

87°

86°

Partly Cloudy

WSW 9

38%

58°

8 PM

79°

80°

Partly Cloudy

S 6

52%

60°


JOHNSTOWN, PA extended weather forecast
Tuesday 19 MAY 2026	Wednesday 20 MAY 2026	Thursday 21 MAY 2026	Friday 22 MAY 2026	Saturday 23 MAY 2026
Low 62°	Low 63°	Low 53°	Low 48°	Low 48°
High 83°	High 76°	High 61°	High 61°	High 65°

Partly Cloudy 38% Rain	Overcast 82% Rain	Overcast 78% Rain	Overcast 50% Rain	Mostly Cloudy 30% Rain

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