Weather in Westby, MT
Westby, Friday, 23 October, 21:33
Overcast. Feels like 37°. High 70°, low 45°.
Monthly outlook for Westby, MT: average high 53.1°, average low 38.1°. That is 4.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 7 November (69.7°), the coolest 26 October (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 49.3° | 47.2° | +1.2° |
| 2 November – 11 November | 59.4° | 39.9° | +10.8° |
| 12 November – 21 November | at normal | 35.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — McElroy (3 mi).
0.01
Westby, Saturday, 24 October
Light rain. High 47°, low 35°.
0
Westby, Sunday, 25 October
Clear. High 41°, low 29°.
0
Westby, Monday, 26 October
Mostly clear. High 45°, low 27°.
0.07
Westby, Tuesday, 27 October
Snow. High 35°, low 32°.
0Westby, Wednesday, 28 October
Overcast. High 52°, low 32°.
0Westby, Thursday, 29 October
Overcast. High 48°, low 30°.
0Westby, Friday, 30 October
Overcast. High 52°, low 39°.
0Westby, Saturday, 31 October
Overcast. High 52°, low 40°.
0Westby, Sunday, 1 November
Overcast. High 52°, low 37°.
0
Westby, Monday, 2 November
Partly cloudy. High 50°, low 38°.
0Westby, Tuesday, 3 November
Overcast. High 52°, low 39°.
0Westby, Wednesday, 4 November
Overcast. High 56°, low 41°.
0Westby, Thursday, 5 November
Partly cloudy. High 67°, low 45°.
0Westby, Friday, 6 November
Overcast. High 62°, low 51°.
0Westby, Saturday, 7 November
Overcast. High 70°, low 50°.
0.04Westby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.03Westby, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Westby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Westby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Westby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Westby, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Westby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Westby, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Westby, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Westby, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Westby, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Westby, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Westby, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Westby, 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 Westby, 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 Westby, 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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