JOHNSTOWN, PA 15915 Weather Forecast & Current Conditions

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JOHNSTOWN, PA
Current Weather

12:54 PM EDT MAY 13, 2026
Broken Clouds
57°F
Feels Like: 55°F
Dewpoint: 46°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: SSW at 10 mph
Pressure: 29.82 inches
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JOHNSTOWN, PA 15915
Weather Forecast

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Snow Depth pages
TODAY
A chance of showers this morning, then showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.
TONIGHT
Showers with a chance of thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Lows in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 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. Showers likely, mainly in the evening. Lows in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.
FRIDAY
Partly sunny. Not as cool with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.
SATURDAY
Partly sunny. A chance of showers in the afternoon. Warmer with highs in the upper 70s. Chance of rain 40 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers in the evening. Not as cool with lows in the upper 50s. Chance of rain 40 percent.
SUNDAY
Mostly sunny. Hot with highs in the mid 80s.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s.
MONDAY
Mostly sunny. Hot with highs in the upper 80s.
MONDAY NIGHT
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.

Visible Weather Satellite
JOHNSTOWN, PA 15915
Infrared Weather Satellite
JOHNSTOWN, PA 15915
NEXRAD Weather Radar
JOHNSTOWN, PA 15915

JOHNSTOWN, PA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  5/13/2026
Wednesday
13 MAY 2026
JOHNSTOWN, PA 15915 weather forecast Day 1, 12 hours 2 PM 59° 56° Mostly Cloudy 95%
RAIN
***
0% Thunder
( 54% severe)
SW   15 64% 47°
High 60° JOHNSTOWN, PA 15915 weather forecast Day 1, 15 hours 5 PM 59° 56° Mostly Cloudy WSW   14 67% 48°
Mostly Cloudy

Rain

JOHNSTOWN, PA 15915 weather forecast Day 1, 18 hours 8 PM 53° 50° Mostly Cloudy 28%
RAIN
.01–.1 in
0% Thunder
( 7% severe)
WNW   10 77% 46°
JOHNSTOWN, PA 15915 weather forecast Day 1, 21 hours 11 PM 48° 44° Mostly Cloudy NW   9 83% 43°
Thursday
14 MAY 2026
JOHNSTOWN, PA 15915 weather forecast Day 2, 0 hours 2 AM 45° 40° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 4% severe)
WNW   9 82% 40°
Low 42° JOHNSTOWN, PA 15915 weather forecast Day 2, 3 hours 5 AM 43° 37° Mostly Cloudy WNW   10 86% 39°
High 50° JOHNSTOWN, PA 15915 weather forecast Day 2, 6 hours 8 AM 43° 36° Mostly Cloudy 42%
RAIN
.01–.1 in
0% Thunder
( 6% severe)
WNW   13 86% 39°

Mostly Cloudy

Rain Likely

JOHNSTOWN, PA 15915 weather forecast Day 2, 9 hours 11 AM 45° 39° Mostly Cloudy WNW   14 79% 39°
JOHNSTOWN, PA 15915 weather forecast Day 2, 12 hours 2 PM 47° 41° Mostly Cloudy 52%
RAIN
.01–.1 in
0% Thunder
( 10% severe)
WNW   15 74% 39°
JOHNSTOWN, PA 15915 weather forecast Day 2, 15 hours 5 PM 47° 41° Mostly Cloudy WNW   15 74% 39°
JOHNSTOWN, PA 15915 weather forecast Day 2, 18 hours 8 PM 47° 41° Mostly Cloudy 37%
RAIN
.01–.1 in
0% Thunder
( 3% severe)
WNW   13 74% 39°
JOHNSTOWN, PA 15915 weather forecast Day 2, 21 hours 11 PM 45° 39° Mostly Cloudy WNW   12 82% 40°
Friday
15 MAY 2026
JOHNSTOWN, PA 15915 weather forecast Day 3, 0 hours 2 AM 44° 38° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 2% severe)
WNW   12 82% 39°
Low 42° JOHNSTOWN, PA 15915 weather forecast Day 3, 3 hours 5 AM 43° 37° Mostly Cloudy WNW   12 86% 39°
High 63° JOHNSTOWN, PA 15915 weather forecast Day 3, 6 hours 8 AM 45° 39° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   12 82% 40°

Mostly Cloudy



JOHNSTOWN, PA 15915 weather forecast Day 3, 9 hours 11 AM 51° 47° Mostly Cloudy WNW   12 68% 41°
JOHNSTOWN, PA 15915 weather forecast Day 3, 15 hours 2 PM 59° 57° Partly Cloudy 0%

0% Thunder
( 3% severe)
WNW   12 51% 41°
JOHNSTOWN, PA 15915 weather forecast Day 3, 18 hours 5 PM 63° 62° Mostly Cloudy W   10 44% 41°
JOHNSTOWN, PA 15915 weather forecast Day 3, 21 hours 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°
JOHNSTOWN, PA 15915 weather forecast Day 4 JOHNSTOWN, PA 15915 weather forecast Day 5 JOHNSTOWN, PA 15915 weather forecast Day 6 JOHNSTOWN, PA 15915 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
39% Rain
Overcast
74% Rain
Partly Cloudy
53% Rain
Partly Cloudy
55% Rain
Overcast
59% Rain
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