Weather in Big Sandy, MT
Big Sandy, Friday, 23 October, 06:28
Overcast. Feels like 58°. High 59°, low 31°.
Monthly outlook for Big Sandy, MT: average high 46.8°, average low 30.2°. That is 1.9° below the climate normal for October. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 23 October (59.4°), the coolest 29 October (20°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 44.7° | 51.8° | -3.9° |
| 2 November – 11 November | 50.1° | 45.7° | +2.5° |
| 12 November – 21 November | at normal | 42.3° | — |
October records over 66 years
0
Big Sandy, Saturday, 24 October
Clear. High 49°, low 23°.
0
Big Sandy, Sunday, 25 October
Mostly clear. High 46°, low 28°.
0Big Sandy, Monday, 26 October
Overcast. High 51°, low 27°.
0Big Sandy, Tuesday, 27 October
Overcast. High 46°, low 31°.
0Big Sandy, Wednesday, 28 October
Overcast. High 46°, low 33°.
0Big Sandy, Thursday, 29 October
Clear. High 32°, low 20°.
0Big Sandy, Friday, 30 October
Clear. High 39°, low 21°.
0Big Sandy, Saturday, 31 October
Clear. High 38°, low 25°.
0Big Sandy, Sunday, 1 November
Clear. High 41°, low 27°.
0Big Sandy, Monday, 2 November
Clear. High 43°, low 28°.
0Big Sandy, Tuesday, 3 November
Clear. High 49°, low 32°.
0Big Sandy, Wednesday, 4 November
Clear. High 51°, low 35°.
0Big Sandy, Thursday, 5 November
Overcast. High 53°, low 38°.
0Big Sandy, Friday, 6 November
Overcast. High 55°, low 44°.
0Big Sandy, Saturday, 7 November
Clear. High 50°, low 38°.
0.05
Big Sandy, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Big Sandy, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Saturday, 21 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 Sandy, 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 Sandy, 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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