National Weather Service forecast

St. Mary's, Colorado Weather

22°Tonight: Partly Cloudy
Wind W 10 mph

St. Mary's 7-Day Forecast

  1. Tonight
    22°F
    Partly Cloudy

    Partly cloudy, with a low around 22. West wind around 10 mph, with gusts as high as 17 mph.

  2. Wednesday
    31°F
    Chance Snow Showers
    52% chance of precipitation

    A chance of snow showers after 11am. Partly sunny. High near 31, with temperatures falling to around 23 in the afternoon. Southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

  3. Wednesday Night
    20°F
    Chance Snow Showers
    52% chance of precipitation

    A chance of snow showers before 2am. Mostly cloudy, with a low around 20. West southwest wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

  4. Thursday
    33°F
    Sunny

    Sunny, with a high near 33. Southeast wind 3 to 12 mph, with gusts as high as 18 mph.

  5. Thursday Night
    24°F
    Mostly Cloudy
    4% chance of precipitation

    Mostly cloudy, with a low around 24. Southwest wind 3 to 13 mph, with gusts as high as 21 mph.

  6. Friday
    32°F
    Chance Snow Showers
    27% chance of precipitation

    A chance of snow showers after 11am. Partly sunny, with a high near 32. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.

  7. Friday Night
    21°F
    Chance Snow Showers then Mostly Clear
    26% chance of precipitation

    A chance of snow showers before 11pm. Mostly clear, with a low around 21.

  8. Saturday
    34°F
    Sunny
    2% chance of precipitation

    Sunny, with a high near 34.

  9. Saturday Night
    23°F
    Mostly Clear

    Mostly clear, with a low around 23.

  10. Sunday
    41°F
    Sunny

    Sunny, with a high near 41.

  11. Sunday Night
    28°F
    Mostly Clear

    Mostly clear, with a low around 28.

  12. Monday
    41°F
    Sunny

    Sunny, with a high near 41.

  13. Monday Night
    28°F
    Partly Cloudy

    Partly cloudy, with a low around 28.

  14. Tuesday
    38°F
    Mostly Sunny
    2% chance of precipitation

    Mostly sunny, with a high near 38.

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

St. Mary's Hourly Forecast

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About St. Mary's

Population (2020 Census)
333
Coordinates
39.816, -105.647
Elevation
10,981 ft
NWS forecast office
BOU
Time zone
America/Denver
Sunrise today
6:33 AM MST
Sunset today
4:58 PM MST
Daylight today
10 h 25 min

St. Mary's Weather Questions

What is the weather forecast for St. Mary's, Colorado?

Tonight: Partly cloudy, with a low around 22. West wind around 10 mph, with gusts as high as 17 mph. Wednesday: A chance of snow showers after 11am. Partly sunny. High near 31, with temperatures falling to around 23 in the afternoon. Southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

Will it rain or snow in St. Mary's this week?

The best chance of precipitation is Wednesday at 52%. Periods with a 30% chance or more: Wednesday (52%), Wednesday Night (52%).

How warm and how cold will it get in St. Mary's this week?

The warmest day is Sunday, with a high near 41°F. The coldest night is Wednesday Night, with a low near 20°F.

What time are sunrise and sunset in St. Mary's today?

Sunrise is at 6:33 AM MST and sunset is at 4:58 PM MST, for 10 h 25 min of daylight.

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