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St. Marys, PA 15857 Weather

It is 45°F and clear in St. Marys, PA 15857, observed at 6:40 PM EDT. Tonight: Mostly Cloudy then Patchy Fog, low 30°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

St. Marys, PA 15857 current weather

45°F

Clear

H -- / L 30°Feels like 40°

  • No rain expected in the next 12 hours

Observed at Bradford Regional Airport (24.3 mi away), 10/30/2026, 6:40 PM EDT

Hourly forecast

NWS, updated 10/30/2026, 11:26 AM PT

  1. Now48°
  2. 8 PM45°
  3. 9 PM42°
  4. 10 PM41°
  5. 11 PM40°
  6. 12 AM39°Sat
  7. 1 AM37°
  8. 2 AM37°
  9. 3 AM36°
  10. 4 AM34°
  11. 5 AM32°
  12. 6 AM32°
  13. 7 AM31°
  14. 8 AM30°
  15. 9 AM33°
  16. 10 AM41°
  17. 11 AM48°
  18. 12 PM52°
  19. 1 PM56°
  20. 2 PM57°
  21. 3 PM58°
  22. 4 PM59°
  23. 5 PM57°
  24. 6 PM55°
  25. 7 PM51°
  26. 8 PM45°
  27. 9 PM43°
  28. 10 PM41°
  29. 11 PM40°
  30. 12 AM39°Sun
  31. 1 AM38°
  32. 1 AM37°
  33. 2 AM36°
  34. 3 AM36°
  35. 4 AM36°
  36. 5 AM34°
  37. 6 AM35°
  38. 7 AM36°
  39. 8 AM38°
  40. 9 AM44°
  41. 10 AM51°
  42. 11 AM56°
  43. 12 PM59°
  44. 1 PM60°
  45. 2 PM62°
  46. 3 PM62°
  47. 4 PM61°
  48. 5 PM58°

7-day forecast

Tap a day for details

  • Today10/30Low 30°High

    Tonight: Patchy fog after 4am. Mostly cloudy, with a low around 30. Northwest wind 1 to 8 mph.

    Mostly Cloudy then Patchy Fog
  • Sat10/31Low 34°High 59°

    Saturday: Patchy fog before 9am. Mostly sunny, with a high near 59. Northwest wind 0 to 3 mph.

    Saturday Night: Mostly cloudy, with a low around 34. East wind around 1 mph.

    Patchy Fog then Mostly Sunny
  • Sun11/1Low 38°High 62°

    Sunday: Mostly cloudy, with a high near 62. Southeast wind 1 to 5 mph.

    Sunday Night: Mostly cloudy, with a low around 38. South wind around 2 mph.

    Mostly Cloudy
  • Mon11/212% chance of precipitationLow 42°High 65°

    Monday: Mostly sunny, with a high near 65.

    Monday Night: Partly cloudy, with a low around 42.

    Mostly Sunny
  • Tue11/312% chance of precipitationLow 48°High 66°

    Tuesday: Partly sunny, with a high near 66.

    Tuesday Night: Mostly cloudy, with a low around 48.

    Partly Sunny
  • Wed11/444% chance of precipitationLow 53°High 67°

    Wednesday: A chance of rain showers after 7am. Partly sunny, with a high near 67. Chance of precipitation is 30%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Chance Rain Showers
  • Thu11/560% chance of precipitationLow 50°High 66°

    Thursday: Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    Thursday Night: Rain showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Rain Showers Likely
  • Fri11/660% chance of precipitationLow High 62°

    Friday: Rain showers likely. Mostly cloudy, with a high near 62.

    Rain Showers Likely

Forecast for 41.456, -78.530 from the NWS CTP office, updated 10/30/2026, 11:26 AM PT · Official forecast on weather.gov

Hazardous weather outlookIssued 10/30/2026, 3:32 AM EDT

This Hazardous Weather Outlook is for central Pennsylvania.

Day one

Today and tonight.

The probability for widespread hazardous weather is low.

Days two through seven

Saturday through Thursday.

The probability for widespread hazardous weather is low.

Spotter information statement

Spotter activation is not expected at this time.

Forecaster's discussionIssued 10/30/2026, 2:10 PM EDT

What has changed

* Special Weather Statement issued today for elevated risk of wildfire spread

Key messages

1) Heightened wildfire spread risk this afternoon

2) Lengthy run of dry and mild weather continues into early November before coming to an end by late next week

Discussion

KEY MESSAGE 1: Heightened wildfire spread risk this afternoon

Coordinated special weather statement with PA DCNR and WFOs BGM/PHI was issued this morning for elevated wildfire spread risk. While minRH values remain somewhat marginal, gusty NW winds 20-30 mph and excessively dry conditions over the past 2 weeks are driving the heightened wildfire threat for the remainder of the afternoon. ------------------------------------------------------------

KEY MESSAGE 2: Lengthy run of dry and mild weather continues into early November before coming to an end by late next week

Another very pleasant and comfortable weekend to close out October (Halloween) and start November (ending daylight saving time).

The latest model guidance continues to grow in agreement with the progression of a CONUS-crossing upper trough eventually reaching the eastern U.S. by the second half of next week. Highest odds for rain are currently placed around Thursday 11/5. There also continues to be some indications that rich Gulf moisture will be pulled northward along a well defined north south oriented frontal zone accompanying the full latitude upper trough which could result in moderate to heavy rainfall.

Aviation

VFR flying prevails for the next several days. Gusty winds from 290-320 degrees subside into tonight. Low confidence on fog restrictions late tonight/early Saturday and left out of 30/18Z TAF set.

Outlook:

Sat-Wed: A.M. valley fog; otherwise VFR. Increasing chance of rain from mid to late week.

Watches, warnings and advisories

None.

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now48°Partly Cloudy0%8 mph
  2. 8 PM45°Partly Cloudy0%5 mph
  3. 9 PM42°Partly Cloudy0%5 mph
  4. 10 PM41°Partly Cloudy0%3 mph
  5. 11 PM40°Mostly Cloudy0%3 mph
  6. 12 AM39°Mostly Cloudy0%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in St. Marys, PA 15857 right now?
The latest observation from Bradford Regional Airport was 45°F and clear, reported at 10/30/2026, 6:40 PM EDT.
Will it rain in St. Marys, PA 15857 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in St. Marys, PA 15857 today?
Sunrise is about 7:43 AM EDT and sunset is about 6:11 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in St. Marys, PA 15857?
At Glen Hazel 2 NE Dam, the 1991 to 2020 normal high in October is 59°F and the normal low is 37°F.

Nearby hazards

Pennsylvania hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (State College)
30GoodPM2.5
AQI forecast tomorrow (State College)
25GoodPM2.5

UV index guide · Air quality

Drought

By county

Elk County, week of 10/27/2026

1% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:43 AM
Sunset
6:11 PM
Daylight
10 hr 28 min
Moon
Waning Gibbous 76% lit
First light (civil dawn)
7:15 AM
Last light (civil dusk)
6:40 PM
Moonrise
9:46 PM
Moonset
1 PM

Normal October weather

Climate

Normal October high 59°, low 37°, precipitation 3.87 in for the month. 1991 to 2020 normals at Glen Hazel 2 NE Dam, 8 mi away.

Other places nearby

Data sources

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About this data

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