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Mount Pleasant, PA 15666 Weather

It is 41°F and clear in Mount Pleasant, PA 15666, observed at 1:35 AM EDT. Today: Partly Sunny, high 63°F, low 37°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Mount Pleasant, PA 15666 current weather

41°F

Clear

H 63° / L 37°Feels like 41°

20° cooler than yesterday at this time

Observed at Arnold Palmer Regional Airport (10.5 mi away), 10/31/2026, 1:35 AM EDT

Hourly forecast

NWS, updated 10/30/2026, 10:21 PM PT

  1. Now42°
  2. 3 AM41°
  3. 4 AM40°
  4. 5 AM40°
  5. 6 AM38°
  6. 7 AM38°
  7. 8 AM38°
  8. 9 AM40°
  9. 10 AM47°
  10. 11 AM52°
  11. 12 PM56°
  12. 1 PM60°
  13. 2 PM61°
  14. 3 PM61°
  15. 4 PM62°
  16. 5 PM62°
  17. 6 PM60°
  18. 7 PM56°
  19. 8 PM51°
  20. 9 PM50°
  21. 10 PM49°
  22. 11 PM48°
  23. 12 AM47°Sun
  24. 1 AM47°
  25. 1 AM46°
  26. 2 AM46°
  27. 3 AM47°
  28. 4 AM45°
  29. 5 AM47°
  30. 6 AM47°
  31. 7 AM47°
  32. 8 AM50°
  33. 9 AM54°
  34. 10 AM57°
  35. 11 AM61°
  36. 12 PM64°
  37. 1 PM66°
  38. 2 PM66°
  39. 3 PM67°
  40. 4 PM66°
  41. 5 PM65°
  42. 6 PM61°
  43. 7 PM55°
  44. 8 PM54°
  45. 9 PM52°
  46. 10 PM51°
  47. 11 PM51°
  48. 12 AM50°Mon

7-day forecast

Tap a day for details

  • Today10/31Low 37°High 63°

    Saturday: Partly sunny, with a high near 63. Northeast wind around 3 mph.

    Overnight: Partly cloudy, with a low around 37. Wind around 0 mph.

    Partly Sunny
  • Sun11/1Low 46°High 67°

    Sunday: Mostly cloudy, with a high near 67. Southeast wind around 5 mph.

    Sunday Night: Partly cloudy, with a low around 46. Southeast wind around 5 mph.

    Mostly Cloudy
  • Mon11/2Low 47°High 67°

    Monday: Mostly sunny, with a high near 67.

    Monday Night: Partly cloudy, with a low around 47.

    Mostly Sunny
  • Tue11/310% chance of precipitationLow 53°High 72°

    Tuesday: Mostly sunny, with a high near 72.

    Tuesday Night: Mostly cloudy, with a low around 53.

    Mostly Sunny
  • Wed11/454% chance of precipitationLow 56°High 71°

    Wednesday: A chance of rain showers after 7am. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Chance Rain Showers
  • Thu11/561% chance of precipitationLow 52°High 69°

    Thursday: Rain showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    Thursday Night: A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Rain Showers Likely
  • Fri11/650% chance of precipitationLow High 66°

    Friday: A chance of rain showers. Mostly cloudy, with a high near 66.

    Chance Rain Showers

Forecast for 40.153, -79.519 from the NWS PBZ office, updated 10/30/2026, 10:21 PM PT · Official forecast on weather.gov

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. Now42°Mostly Clear0%0 mph
  2. 3 AM41°Partly Cloudy0%0 mph
  3. 4 AM40°Partly Cloudy0%0 mph
  4. 5 AM40°Mostly Cloudy0%0 mph
  5. 6 AM38°Partly Sunny0%1 mph
  6. 7 AM38°Partly Sunny0%1 mph

Hourly details

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

Observed today

Since midnight, vs yesterday and normal

Today's high so far is 15° below the normal of 57° and 20° cooler than yesterday's high.

High so far
43°
15° below normal
Low so far
41°
Normal low 35°
Precipitation
0.00 in
Since midnight
Yesterday
High 63° · Low 43° · Precip 0.00 in
Normal for today
High 57° · Low 35°

Observed at Arnold Palmer Regional Airport (KLBE) since midnight local time, through 1:35 AM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Mt Pleasant.

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Mount Pleasant, PA 15666 right now?
The latest observation from Arnold Palmer Regional Airport was 41°F and clear, reported at 10/31/2026, 1:35 AM EDT.
What is the high temperature today in Mount Pleasant, PA 15666?
The National Weather Service forecast for saturday calls for a high near 63°F. Partly Sunny.
Will it rain in Mount Pleasant, PA 15666 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 Mount Pleasant, PA 15666 today?
Sunrise is about 7:46 AM EDT and sunset is about 6:16 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Mount Pleasant, PA 15666?
At Mt Pleasant, the 1991 to 2020 normal high in October is 64°F and the normal low is 40°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 (Mon Valley Area)
40GoodPM2.5
AQI forecast tomorrow (Mon Valley Area)
45GoodPM2.5

UV index guide · Air quality

Drought

By county

Westmoreland County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:46 AM
Sunset
6:16 PM
Daylight
10 hr 30 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
7:18 AM
Last light (civil dusk)
6:44 PM
Moonrise
11:12 PM
Moonset
1:49 PM

Normal October weather

Climate

Normal October high 64°, low 40°, precipitation 3.18 in for the month. 1991 to 2020 normals at Mt Pleasant, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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