Weather in St. Marie, MT
St. Marie, Tuesday, 27 October, 16:38
Overcast. Feels like 31°. High 40°, low 32°.
Monthly outlook for St. Marie, MT: average high 49°, average low 37.2°. That is 3° above the climate normal for October. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 7 November (58.7°), the coolest 30 October (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 46.2° | 45.8° | +0.2° |
| 6 November – 15 November | 53.6° | 39.7° | +7.7° |
| 16 November – 25 November | at normal | 35.2° | — |
October records over 66 years
0.02
St. Marie, Wednesday, 28 October
Light rain. High 47°, low 32°.
0.09
St. Marie, Thursday, 29 October
Snow. High 42°, low 29°.
0St. Marie, Friday, 30 October
Overcast. High 41°, low 27°.
0St. Marie, Saturday, 31 October
Overcast. High 49°, low 34°.
0.22St. Marie, Sunday, 1 November
Light rain. High 48°, low 39°.
0.21St. Marie, Monday, 2 November
Snow. High 42°, low 36°.
0St. Marie, Tuesday, 3 November
Overcast. High 47°, low 36°.
0
St. Marie, Wednesday, 4 November
Clear. High 53°, low 37°.
0
St. Marie, Thursday, 5 November
Mostly clear. High 53°, low 40°.
0St. Marie, Friday, 6 November
Overcast. High 55°, low 41°.
0St. Marie, Saturday, 7 November
Overcast. High 59°, low 42°.
0St. Marie, Sunday, 8 November
Light rain. High 57°, low 48°.
0.17St. Marie, Monday, 9 November
Light rain. High 47°, low 45°.
0St. Marie, Tuesday, 10 November
Overcast. High 56°, low 40°.
0St. Marie, Wednesday, 11 November
Overcast. High 47°, low 36°.
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.
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.
0.03
St. Marie, Wednesday, 25 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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