Weather in Greenough, MT
Greenough, Thursday, 22 October, 23:36
Partly cloudy. Feels like 49°. High 66°, low 37°.
Monthly outlook for Greenough, MT: average high 44.1°, average low 24.8°. That is 2.3° below the climate normal for October. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 22 October (65.6°), the coolest 2 November (16.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 44.1° | 49.8° | -3.2° |
| 1 November – 10 November | 44° | 44.3° | -0.2° |
| 11 November – 20 November | at normal | 40.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (7 mi).
0.5
Greenough, Friday, 23 October
Rain. High 49°, low 34°.
0
Greenough, Saturday, 24 October
Clear. High 50°, low 27°.
0
Greenough, Sunday, 25 October
Mostly clear. High 50°, low 27°.
0
Greenough, Monday, 26 October
Overcast. High 50°, low 27°.
0.5
Greenough, Tuesday, 27 October
Snow. High 34°, low 30°.
0.02Greenough, Wednesday, 28 October
Snow. High 36°, low 25°.
0
Greenough, Thursday, 29 October
Partly cloudy. High 35°, low 18°.
0Greenough, Friday, 30 October
Overcast. High 37°, low 20°.
0.02Greenough, Saturday, 31 October
Light snow. High 35°, low 22°.
0.06Greenough, Sunday, 1 November
Light snow. High 38°, low 20°.
0Greenough, Monday, 2 November
Overcast. High 39°, low 17°.
0Greenough, Tuesday, 3 November
Overcast. High 41°, low 19°.
0Greenough, Wednesday, 4 November
Overcast. High 46°, low 22°.
0Greenough, Thursday, 5 November
Partly cloudy. High 49°, low 25°.
0Greenough, Friday, 6 November
Mostly clear. High 52°, low 28°.
0.09
Greenough, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Greenough, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Greenough, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Greenough, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Greenough, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Greenough, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Greenough, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Greenough, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Greenough, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Greenough, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Greenough, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Greenough, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Greenough, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Greenough, Friday, 20 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 Greenough, 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 Greenough, 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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