National Weather Service forecast

St. Marys, Iowa Weather

47°Overnight: Cloudy
Wind WNW 15 mph
7-DayHourlyRadar

St. Marys 7-Day Forecast

  1. Overnight
    47°F
    Cloudy
    14% chance of precipitation

    Cloudy, with a low around 47. West northwest wind around 15 mph, with gusts as high as 21 mph.

  2. Wednesday
    53°F
    Mostly Cloudy
    12% chance of precipitation

    Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. West wind around 17 mph, with gusts as high as 24 mph.

  3. Wednesday Night
    44°F
    Mostly Cloudy then Chance Rain Showers
    27% chance of precipitation

    A chance of rain showers after 4am. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. West wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

  4. Thursday
    53°F
    Chance Rain Showers then Cloudy
    30% chance of precipitation

    A chance of rain showers before 11am. Cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Northwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

  5. Thursday Night
    41°F
    Mostly Cloudy
    9% chance of precipitation

    Mostly cloudy, with a low around 41. North northwest wind 7 to 10 mph.

  6. Friday
    50°F
    Partly Sunny
    6% chance of precipitation

    Partly sunny, with a high near 50.

  7. Friday Night
    31°F
    Partly Cloudy

    Partly cloudy, with a low around 31.

  8. Saturday
    53°F
    Mostly Sunny

    Mostly sunny, with a high near 53.

  9. Saturday Night
    37°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 37.

  10. Sunday
    59°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 59.

  11. Sunday Night
    39°F
    Clear

    Clear, with a low around 39.

  12. Monday
    65°F
    Sunny

    Sunny, with a high near 65.

  13. Monday Night
    42°F
    Clear

    Clear, with a low around 42.

  14. Tuesday
    64°F
    Sunny

    Sunny, with a high near 64.

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

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About St. Marys

Population (2020 Census)
108
Coordinates
41.308, -93.734
Elevation
1,007 ft
NWS forecast office
DMX
Time zone
America/Chicago
Sunrise today
6:49 AM CST
Sunset today
5:07 PM CST
Daylight today
10 h 17 min

St. Marys Weather Questions

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

Overnight: Cloudy, with a low around 47. West northwest wind around 15 mph, with gusts as high as 21 mph. Wednesday: Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. West wind around 17 mph, with gusts as high as 24 mph.

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

The best chance of precipitation is Thursday at 30%. Periods with a 30% chance or more: Thursday (30%).

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

The warmest day is Monday, with a high near 65°F. The coldest night is Friday Night, with a low near 31°F.

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

Sunrise is at 6:49 AM CST and sunset is at 5:07 PM CST, for 10 h 17 min of daylight.

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