Weather in St. Mary's, CO
St. Mary's, Monday, 9 November, 10:53
Clear. Feels like 49°. High 53°, low 19°.
0
St. Mary's, Tuesday, 10 November
Overcast. High 45°, low 20°.
0St. Mary's, Wednesday, 11 November
Overcast. High 43°, low 24°.
0St. Mary's, Thursday, 12 November
Clear. High 46°, low 26°.
0St. Mary's, Friday, 13 November
Overcast. High 49°, low 29°.
0.02
St. Mary's, Saturday, 14 November
Light snow. High 43°, low 26°.
0
St. Mary's, Sunday, 15 November
Mostly clear. High 41°, low 22°.
0St. Mary's, Monday, 16 November
Overcast. High 40°, low 24°.
0.13St. Mary's, Tuesday, 17 November
Snow. High 33°, low 22°.
0.58St. Mary's, Wednesday, 18 November
Snow. High 28°, low 16°.
0.2St. Mary's, Thursday, 19 November
Snow. High 19°, low 5°.
0.01St. Mary's, Friday, 20 November
Light snow. High 25°, low 2°.
0.09St. Mary's, Saturday, 21 November
Light snow. High 16°, low -4°.
0St. Mary's, Sunday, 22 November
Clear. High 14°, low -6°.
0St. Mary's, Monday, 23 November
Overcast. High 22°, low -1°.
0St. Mary's, Tuesday, 24 November
Overcast. High 24°, low 5°.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for St. Mary's, CO are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in St. Mary's, CO since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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