National Weather Service forecast

St. Clair, Pennsylvania Weather

49°Overnight: Mostly Clear
Wind S 1 mph
7-DayHourlyRadar

St. Clair 7-Day Forecast

  1. Overnight
    49°F
    Mostly Clear

    Mostly clear, with a low around 49. South wind around 1 mph.

  2. Wednesday
    76°F
    Patchy Fog then Mostly Sunny
    1% chance of precipitation

    Patchy fog before 9am. Mostly sunny, with a high near 76. South wind 0 to 8 mph.

  3. Wednesday Night
    60°F
    Light Rain
    90% chance of precipitation

    Rain after 9pm. Cloudy, with a low around 60. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  4. Thursday
    75°F
    Chance Light Rain
    53% chance of precipitation

    A chance of rain before 1pm. Mostly cloudy, with a high near 75. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

  5. Thursday Night
    48°F
    Mostly Cloudy
    4% chance of precipitation

    Mostly cloudy, with a low around 48. West wind 0 to 3 mph.

  6. Friday
    68°F
    Partly Sunny
    11% chance of precipitation

    Partly sunny, with a high near 68.

  7. Friday Night
    43°F
    Partly Cloudy
    10% chance of precipitation

    Partly cloudy, with a low around 43.

  8. Saturday
    58°F
    Slight Chance Light Rain
    23% chance of precipitation

    A slight chance of rain after 7am. Partly sunny, with a high near 58.

  9. Saturday Night
    36°F
    Slight Chance Light Rain then Mostly Cloudy
    23% chance of precipitation

    A slight chance of rain before 7pm. Mostly cloudy, with a low around 36.

  10. Sunday
    58°F
    Partly Sunny
    12% chance of precipitation

    Partly sunny, with a high near 58.

  11. Sunday Night
    34°F
    Partly Cloudy
    6% chance of precipitation

    Partly cloudy, with a low around 34.

  12. Monday
    58°F
    Mostly Sunny
    10% chance of precipitation

    Mostly sunny, with a high near 58.

  13. Monday Night
    34°F
    Mostly Clear
    6% chance of precipitation

    Mostly clear, with a low around 34.

  14. Tuesday
    62°F
    Mostly Sunny
    3% chance of precipitation

    Mostly sunny, with a high near 62.

Issued by the National Weather Service (CTP office), updated .

St. Clair Hourly Forecast

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About St. Clair

Population (2020 Census)
48
Coordinates
40.478, -78.228
Elevation
942 ft
NWS forecast office
CTP
Time zone
America/New York
Sunrise today
6:46 AM EST
Sunset today
5:06 PM EST
Daylight today
10 h 21 min

St. Clair Weather Questions

What is the weather forecast for St. Clair, Pennsylvania?

Overnight: Mostly clear, with a low around 49. South wind around 1 mph. Wednesday: Patchy fog before 9am. Mostly sunny, with a high near 76. South wind 0 to 8 mph.

Will it rain or snow in St. Clair this week?

The best chance of precipitation is Wednesday Night at 90%. Periods with a 30% chance or more: Wednesday Night (90%), Thursday (53%).

How warm and how cold will it get in St. Clair this week?

The warmest day is Wednesday, with a high near 76°F. The coldest night is Sunday Night, with a low near 34°F.

What time are sunrise and sunset in St. Clair today?

Sunrise is at 6:46 AM EST and sunset is at 5:06 PM EST, for 10 h 21 min of daylight.

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