Weather in Big Sky, MT
Big Sky, Saturday, 24 October, 01:24
Overcast. Feels like 23°. High 40°, low 19°.
Monthly outlook for Big Sky, MT: average high 47.9°, average low 28.9°. That is 4.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 7 November (63.6°), the coolest 27 October (16.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 42.7° | 41.5° | +0.7° |
| 3 November – 12 November | 56.6° | 37.8° | +10.4° |
| 13 November – 22 November | at normal | 33.8° | — |
October records over 66 years
0
Big Sky, Sunday, 25 October
Clear. High 46°, low 25°.
0.11
Big Sky, Monday, 26 October
Snow. High 45°, low 24°.
0.31Big Sky, Tuesday, 27 October
Snow. High 34°, low 16°.
0Big Sky, Wednesday, 28 October
Clear. High 41°, low 17°.
0.07Big Sky, Thursday, 29 October
Snow. High 39°, low 26°.
0.02Big Sky, Friday, 30 October
Snow. High 44°, low 31°.
0
Big Sky, Saturday, 31 October
Mostly clear. High 42°, low 27°.
0Big Sky, Sunday, 1 November
Clear. High 45°, low 27°.
0Big Sky, Monday, 2 November
Clear. High 50°, low 30°.
0Big Sky, Tuesday, 3 November
Mostly clear. High 54°, low 31°.
0Big Sky, Wednesday, 4 November
Clear. High 55°, low 36°.
0Big Sky, Thursday, 5 November
Overcast. High 53°, low 35°.
0Big Sky, Friday, 6 November
Overcast. High 55°, low 38°.
0Big Sky, Saturday, 7 November
Overcast. High 64°, low 41°.
0Big Sky, Sunday, 8 November
Clear. High 59°, low 41°.
0.07
Big Sky, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Big Sky, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Big Sky, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08
Big Sky, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Big Sky, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Big Sky, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Big Sky, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Big Sky, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Big Sky, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Big Sky, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Big Sky, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Big Sky, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Big Sky, Saturday, 21 November
Climate normal for this date — 60-year average.
0.07Big Sky, Sunday, 22 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 Big Sky, 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 Big Sky, 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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