Weather in St. Marie, MT
St. Marie, Tuesday, 27 October, 06:50
Light snow. Feels like 23°. High 34°, low 30°.
Monthly outlook for St. Marie, MT: average high 46.9°, average low 35.6°. That is 1.8° above the climate normal for October. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 8 November (53.2°), the coolest 29 October (26.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 45.2° | 45.8° | -0.3° |
| 6 November – 15 November | 49.6° | 39.7° | +5.5° |
| 16 November – 25 November | at normal | 35.2° | — |
October records over 66 years
0
St. Marie, Wednesday, 28 October
Clear. High 44°, low 29°.
0
St. Marie, Thursday, 29 October
Partly cloudy. High 41°, low 27°.
0
St. Marie, Friday, 30 October
Overcast. High 41°, low 27°.
0
St. Marie, Saturday, 31 October
Light rain. High 47°, low 33°.
0St. Marie, Sunday, 1 November
Light rain. High 49°, low 43°.
0.96St. Marie, Monday, 2 November
Rain. High 49°, low 40°.
0St. Marie, Tuesday, 3 November
Overcast. High 51°, low 41°.
0
St. Marie, Wednesday, 4 November
Mostly clear. High 51°, low 40°.
0St. Marie, Thursday, 5 November
Partly cloudy. High 46°, low 36°.
0St. Marie, Friday, 6 November
Overcast. High 48°, low 36°.
0St. Marie, Saturday, 7 November
Clear. High 50°, low 37°.
0St. Marie, Sunday, 8 November
Clear. High 53°, low 35°.
0St. Marie, Monday, 9 November
Clear. High 52°, low 40°.
0St. Marie, Tuesday, 10 November
Overcast. High 47°, low 38°.
0St. Marie, Wednesday, 11 November
Overcast. High 48°, low 37°.
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.
0.03St. 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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