ST CLAIRSVILLE, PA 16667 Weather Forecast & Current Conditions

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ALTOONA, PA
Current Weather

2:53 AM EDT JUN 9, 2026
Clear
64°F
Feels Like: 64°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: S at 7 mph
Pressure: 30.25 inches
Last 72 hours

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ST CLAIRSVILLE, PA 16667
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
TUESDAY
Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. South winds 5 to 10 mph. Chance of rain 20 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. South winds around 5 mph. Chance of rain 70 percent.
WEDNESDAY
Partly sunny. A chance of showers and thunderstorms in the morning. Very warm. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Warm with lows around 70. West winds 5 to 10 mph with gusts up to 20 mph.
THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid, hot with highs in the upper 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Humid, warm with lows around 70. Chance of rain 50 percent.
FRIDAY
Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid, hot with highs in the upper 80s. Chance of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Humid with lows in the lower 60s. Chance of rain 70 percent.
SATURDAY
Sunny. Highs in the lower 80s.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
SUNDAY
Mostly sunny. Highs in the mid 80s.
SUNDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows around 60. Chance of rain 30 percent.

Visible Weather Satellite
ST CLAIRSVILLE, PA 16667
Infrared Weather Satellite
ST CLAIRSVILLE, PA 16667
NEXRAD Weather Radar
ST CLAIRSVILLE, PA 16667

ALTOONA, PA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/ 8/2026
Tuesday
9 JUN 2026
ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 0 hours 2 AM 63° 62° Mostly Cloudy 2%

0% Thunder
( 1% severe)
S   10 62% 50°
Low 58° ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 3 hours 5 AM 59° 57° Mostly Cloudy S   9 72% 50°
High 84° ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 6 hours 8 AM 63° 63° Mostly Cloudy 4%

0% Thunder
( 3% severe)
S   8 67% 52°

Mostly Cloudy



ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 9 hours 11 AM 73° 73° Mostly Cloudy S   8 55% 56°
ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 12 hours 2 PM 81° 81° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 24% severe)
S   10 47% 59°
ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 15 hours 5 PM 81° 82° Mostly Cloudy S   10 51% 61°
ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 18 hours 8 PM 77° 79° Mostly Cloudy 41%
RAIN
.1–.25 in
0% Thunder
( 17% severe)
SSE   9 60% 62°
ST CLAIRSVILLE, PA 16667 weather forecast Day 1, 21 hours 11 PM 71° 71° Mostly Cloudy S   7 79% 64°
Wednesday
10 JUN 2026
ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 0 hours 2 AM 68° 68° Mostly Cloudy 74%
RAIN
***
0% Thunder
( 31% severe)
S   7 87% 64°
Low 64° ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 3 hours 5 AM 66° 66° Mostly Cloudy S   8 97% 65°
High 86° ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 6 hours 8 AM 69° 69° Mostly Cloudy 36%
RAIN
.01–.1 in
0% Thunder
( 28% severe)
SSW   9 90% 66°

Mostly Cloudy

Chance of Rain

ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 9 hours 11 AM 76° 77° Mostly Cloudy SW   12 76% 68°
ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 12 hours 2 PM 82° 85° Mostly Cloudy 27%
RAIN
.01–.1 in
0% Thunder
( 34% severe)
WSW   13 65% 69°
ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 15 hours 5 PM 84° 88° Partly Cloudy WSW   13 61% 69°
ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 18 hours 8 PM 81° 84° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 26% severe)
WSW   12 69% 70°
ST CLAIRSVILLE, PA 16667 weather forecast Day 2, 21 hours 11 PM 73° 73° Partly Cloudy WSW   7 90% 70°

ALTOONA, PA extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 69° Low 69° Low 63° Low 58° Low 62°
High 86° High 85° High 81° High 83° High 77°
ST CLAIRSVILLE, PA 16667 weather forecast Day 3 ST CLAIRSVILLE, PA 16667 weather forecast Day 4 ST CLAIRSVILLE, PA 16667 weather forecast Day 5 ST CLAIRSVILLE, PA 16667 weather forecast Day 6 ST CLAIRSVILLE, PA 16667 weather forecast Day 7
Overcast
54% Rain
Overcast
72% Rain
Partly Cloudy
39% Rain
Partly Cloudy
19% Rain
Overcast
64% Rain
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