Weather in St. Marie, MT
St. Marie, Monday, 19 October, 04:44
Clear. Feels like 31°. High 65°, low 37°.
Monthly outlook for St. Marie, MT: average high 51.8°, average low 35°. That is 1.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 23 October (69.7°), the coolest 27 October (23.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 52.4° | 51.7° | +0.4° |
| 29 October – 7 November | 50.7° | 44.7° | +3.3° |
| 8 November – 17 November | at normal | 38.8° | — |
October records over 66 years
0
St. Marie, Tuesday, 20 October
Overcast. High 62°, low 36°.
0
St. Marie, Wednesday, 21 October
Mostly clear. High 60°, low 37°.
0
St. Marie, Thursday, 22 October
Clear. High 68°, low 46°.
0
St. Marie, Friday, 23 October
Light rain. High 70°, low 50°.
0.35
St. Marie, Saturday, 24 October
Snow. High 51°, low 36°.
0St. Marie, Sunday, 25 October
Overcast. High 41°, low 29°.
0.02St. Marie, Monday, 26 October
Light snow. High 32°, low 25°.
0St. Marie, Tuesday, 27 October
Clear. High 32°, low 23°.
0St. Marie, Wednesday, 28 October
Clear. High 44°, low 25°.
0St. Marie, Thursday, 29 October
Mostly clear. High 49°, low 31°.
0St. Marie, Friday, 30 October
Overcast. High 57°, low 41°.
0St. Marie, Saturday, 31 October
Clear. High 55°, low 42°.
0St. Marie, Sunday, 1 November
Overcast. High 57°, low 40°.
0
St. Marie, Monday, 2 November
Partly cloudy. High 42°, low 32°.
0St. Marie, Tuesday, 3 November
Partly cloudy. High 43°, low 28°.
0.03St. Marie, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02St. Marie, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02St. Marie, Friday, 6 November
Climate normal for this date — 60-year average.
0.02St. Marie, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04St. Marie, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04St. Marie, Monday, 9 November
Climate normal for this date — 60-year average.
0.03St. Marie, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02St. Marie, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03St. Marie, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02St. Marie, Friday, 13 November
Climate normal for this date — 60-year average.
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.
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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