Weather in St. Marie, MT
St. Marie, Thursday, 29 October, 21:54
Mostly clear. Feels like 28°. High 39°, low 26°.
Monthly outlook for St. Marie, MT: average high 45.8°, average low 34.1°. That is 1.8° above the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 10 November (52°), the coolest 29 October (26.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 45.6° | 44.7° | +0.5° |
| 8 November – 17 November | 46.2° | 38.8° | +4.1° |
| 18 November – 27 November | at normal | 33.6° | — |
October records over 66 years
0
St. Marie, Friday, 30 October
Overcast. High 43°, low 29°.
0.35
St. Marie, Saturday, 31 October
Rain. High 45°, low 37°.
0.06St. Marie, Sunday, 1 November
Light rain. High 47°, low 39°.
0.49St. Marie, Monday, 2 November
Rain. High 41°, low 34°.
0
St. Marie, Tuesday, 3 November
Clear. High 48°, low 29°.
0
St. Marie, Wednesday, 4 November
Partly cloudy. High 47°, low 32°.
0St. Marie, Thursday, 5 November
Partly cloudy. High 46°, low 34°.
0
St. Marie, Friday, 6 November
Mostly clear. High 48°, low 35°.
0St. Marie, Saturday, 7 November
Clear. High 50°, low 37°.
0St. Marie, Sunday, 8 November
Clear. High 52°, low 38°.
0St. Marie, Monday, 9 November
Clear. High 49°, low 36°.
0St. Marie, Tuesday, 10 November
Overcast. High 52°, low 37°.
0.24St. Marie, Wednesday, 11 November
Rain. High 48°, low 38°.
0St. Marie, Thursday, 12 November
Partly cloudy. High 39°, low 33°.
0.03
St. Marie, Friday, 13 November
Light snow. High 38°, low 30°.
0.03St. Marie, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02St. Marie, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02St. Marie, Monday, 16 November
Climate normal for this date — 60-year average.
0.02St. Marie, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02St. Marie, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02St. Marie, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02St. Marie, Friday, 20 November
Climate normal for this date — 60-year average.
0.02St. Marie, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02St. Marie, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02St. Marie, Monday, 23 November
Climate normal for this date — 60-year average.
0.02St. Marie, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.03St. Marie, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.02St. Marie, Thursday, 26 November
Climate normal for this date — 60-year average.
0.01St. Marie, Friday, 27 November
Climate normal for this date — 60-year average.
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. Marie, MT 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. Marie, MT 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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