Weather in Big Sandy, MT
Big Sandy, Monday, 19 October, 19:54
Overcast. Feels like 51°. High 66°, low 35°.
Monthly outlook for Big Sandy, MT: average high 55°, average low 36.8°. That is 1.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 22 October (68.1°), the coolest 24 October (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 53.5° | 55° | -0.8° |
| 29 October – 7 November | 57.5° | 48.1° | +5.2° |
| 8 November – 17 November | at normal | 43.5° | — |
October records over 66 years
0
Big Sandy, Tuesday, 20 October
Partly cloudy. High 61°, low 37°.
0
Big Sandy, Wednesday, 21 October
Clear. High 67°, low 34°.
0Big Sandy, Thursday, 22 October
Clear. High 68°, low 41°.
0.48
Big Sandy, Friday, 23 October
Rain. High 53°, low 40°.
0Big Sandy, Saturday, 24 October
Partly cloudy. High 45°, low 30°.
0Big Sandy, Sunday, 25 October
Overcast. High 42°, low 33°.
0Big Sandy, Monday, 26 October
Overcast. High 42°, low 30°.
0Big Sandy, Tuesday, 27 October
Clear. High 44°, low 30°.
0Big Sandy, Wednesday, 28 October
Clear. High 47°, low 31°.
0Big Sandy, Thursday, 29 October
Partly cloudy. High 54°, low 34°.
0Big Sandy, Friday, 30 October
Clear. High 52°, low 38°.
0Big Sandy, Saturday, 31 October
Overcast. High 57°, low 42°.
0Big Sandy, Sunday, 1 November
Clear. High 61°, low 42°.
0Big Sandy, Monday, 2 November
Overcast. High 63°, low 44°.
0Big Sandy, Tuesday, 3 November
Overcast. High 59°, low 47°.
0.04Big Sandy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Big Sandy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02
Big Sandy, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Big 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.
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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