National Weather Service forecast

St. Marys, Ohio Weather

62°Overnight: Light Rain Likely
Wind S 16 mph
7-DayHourlyRadar

St. Marys 7-Day Forecast

  1. Overnight
    62°F
    Light Rain Likely
    67% chance of precipitation

    Rain likely. Cloudy, with a low around 62. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    67°F
    Light Rain
    99% chance of precipitation

    Rain. Cloudy, with a high near 67. South wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

  3. Wednesday Night
    49°F
    Chance Light Rain then Mostly Cloudy
    29% chance of precipitation

    A chance of rain before 7pm. Mostly cloudy, with a low around 49. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    61°F
    Partly Sunny
    1% chance of precipitation

    Partly sunny, with a high near 61. Southwest wind 8 to 16 mph.

  5. Thursday Night
    45°F
    Slight Chance Light Rain
    15% chance of precipitation

    A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 45. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

  6. Friday
    55°F
    Chance Light Rain
    46% chance of precipitation

    A chance of rain after 7am. Mostly cloudy, with a high near 55. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

  7. Friday Night
    36°F
    Chance Light Rain then Mostly Cloudy
    46% chance of precipitation

    A chance of rain before 7pm. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

  8. Saturday
    53°F
    Partly Sunny
    3% chance of precipitation

    Partly sunny, with a high near 53.

  9. Saturday Night
    33°F
    Partly Cloudy
    3% chance of precipitation

    Partly cloudy, with a low around 33.

  10. Sunday
    56°F
    Mostly Sunny
    3% chance of precipitation

    Mostly sunny, with a high near 56.

  11. Sunday Night
    33°F
    Mostly Clear
    4% chance of precipitation

    Mostly clear, with a low around 33.

  12. Monday
    59°F
    Sunny
    3% chance of precipitation

    Sunny, with a high near 59.

  13. Monday Night
    38°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 38.

  14. Tuesday
    63°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 63.

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

St. Marys Hourly Forecast

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About St. Marys

Population (2020 Census)
8,397
Coordinates
40.548, -84.392
Elevation
850 ft
NWS forecast office
ILN
Time zone
America/New York
Sunrise today
7:10 AM EST
Sunset today
5:31 PM EST
Daylight today
10 h 20 min

St. Marys Weather Questions

What is the weather forecast for St. Marys, Ohio?

Overnight: Rain likely. Cloudy, with a low around 62. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Rain. Cloudy, with a high near 67. South wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

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

The best chance of precipitation is Wednesday at 99%. Periods with a 30% chance or more: Overnight (67%), Wednesday (99%), Friday (46%), Friday Night (46%).

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

The warmest day is Wednesday, with a high near 67°F. The coldest night is Saturday Night, with a low near 33°F.

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

Sunrise is at 7:10 AM EST and sunset is at 5:31 PM EST, for 10 h 20 min of daylight.

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