ST MARYS, PA 15857 Weather Forecast & Current Conditions

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DUBOIS, PA
Current Weather

11:53 AM EDT MAY 15, 2026
Clear
57°F
Feels Like: 56°F
Dewpoint: 39°F
Rel. Hum.: 51%
Visibility: 10 miles
Wind: NW at 6 mph
Pressure: 30.01 inches
Last 72 hours

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ST MARYS, PA 15857
Weather Forecast

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TODAY
Mostly cloudy this morning, then becoming partly sunny. Not as cool with highs in the mid 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
TONIGHT
Mostly cloudy in the evening, then clearing. Lows in the mid 40s. West winds around 5 mph, becoming south after midnight.
SATURDAY
Sunny in the morning, then partly sunny with a chance of showers in the afternoon. Warmer with highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 40 percent.
SATURDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Not as cool with lows in the upper 50s. West winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 60 percent.
SUNDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 70s. West winds around 5 mph. Chance of rain 40 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.
MONDAY
Sunny, hot with highs in the upper 80s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
TUESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Chance of rain 50 percent.
TUESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
WEDNESDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Cooler with lows in the lower 50s. Chance of rain 70 percent.
THURSDAY
Mostly sunny. Highs in the upper 60s.

Visible Weather Satellite
ST MARYS, PA 15857
Infrared Weather Satellite
ST MARYS, PA 15857
NEXRAD Weather Radar
ST MARYS, PA 15857

DUBOIS, PA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/14/2026
Friday
15 MAY 2026
ST MARYS, PA 15857 weather forecast Day 1, 0 hours 2 AM 44° 39° Mostly Cloudy 2%

0% Thunder
( 1% severe)
NW   9 82% 39°
Low 42° ST MARYS, PA 15857 weather forecast Day 1, 3 hours 5 AM 43° 38° Mostly Cloudy NW   9 86% 39°
High 66° ST MARYS, PA 15857 weather forecast Day 1, 6 hours 8 AM 46° 42° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   8 79% 40°

Partly Cloudy



ST MARYS, PA 15857 weather forecast Day 1, 9 hours 11 AM 56° 54° Partly Cloudy NW   8 55% 40°
ST MARYS, PA 15857 weather forecast Day 1, 12 hours 2 PM 63° 62° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   9 43% 40°
ST MARYS, PA 15857 weather forecast Day 1, 15 hours 5 PM 65° 65° Mostly Cloudy WNW   9 40% 40°
ST MARYS, PA 15857 weather forecast Day 1, 18 hours 8 PM 59° 60° Mostly Cloudy 1%

0% Thunder
( 1% severe)
W   3 51% 41°
ST MARYS, PA 15857 weather forecast Day 1, 21 hours 11 PM 49° 49° Partly Cloudy   CALM 68% 39°
Saturday
16 MAY 2026
ST MARYS, PA 15857 weather forecast Day 2, 0 hours 2 AM 46° 45° Clear 1%

0% Thunder
( 1% severe)
S   3 73% 38°
Low 45° ST MARYS, PA 15857 weather forecast Day 2, 3 hours 5 AM 45° 43° Clear S   5 73% 37°
High 77° ST MARYS, PA 15857 weather forecast Day 2, 6 hours 8 AM 52° 50° Partly Cloudy 2%

0% Thunder
( 1% severe)
SSW   6 61% 39°

Mostly Cloudy

Chance of Rain

ST MARYS, PA 15857 weather forecast Day 2, 9 hours 11 AM 68° 68° Partly Cloudy SSW   10 40% 43°
ST MARYS, PA 15857 weather forecast Day 2, 12 hours 2 PM 74° 74° Mostly Cloudy 23%
RAIN
<.01 in
0% Thunder
( 13% severe)
SSW   13 38% 47°
ST MARYS, PA 15857 weather forecast Day 2, 15 hours 5 PM 74° 74° Mostly Cloudy SW   13 44% 51°
ST MARYS, PA 15857 weather forecast Day 2, 18 hours 8 PM 68° 68° Mostly Cloudy 44%
RAIN
.5–1 in
0% Thunder
( 21% severe)
SW   9 61% 54°
ST MARYS, PA 15857 weather forecast Day 2, 21 hours 11 PM 62° 61° Mostly Cloudy WSW   8 78% 55°

DUBOIS, PA extended weather forecast

Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Low 59° Low 59° Low 60° Low 62° Low 49°
High 76° High 85° High 87° High 73° High 65°
ST MARYS, PA 15857 weather forecast Day 3 ST MARYS, PA 15857 weather forecast Day 4 ST MARYS, PA 15857 weather forecast Day 5 ST MARYS, PA 15857 weather forecast Day 6 ST MARYS, PA 15857 weather forecast Day 7
Overcast
68% Rain
Partly Cloudy
45% Rain
Partly Cloudy
67% Rain
Overcast
86% Rain
Overcast
43% Rain
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