Weather in Shirley, MT
Shirley, Wednesday, 21 October, 03:55
Clear. Feels like 37°. High 71°, low 38°.
Monthly outlook for Shirley, MT: average high 56.4°, average low 37.6°. That is 1.7° above the climate normal for October. Precipitation is expected on 4 days (about 2.6 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 23 October (77.7°), the coolest 5 November (25.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 58° | 55° | +1.7° |
| 31 October – 9 November | 53.7° | 49° | +2.6° |
| 10 November – 19 November | at normal | 44.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kinsey (4 mi).
0
Shirley, Thursday, 22 October
Clear. High 72°, low 46°.
0Shirley, Friday, 23 October
Clear. High 78°, low 47°.
0
Shirley, Saturday, 24 October
Mostly clear. High 49°, low 38°.
0Shirley, Sunday, 25 October
Clear. High 55°, low 33°.
0Shirley, Monday, 26 October
Clear. High 54°, low 34°.
0.02
Shirley, Tuesday, 27 October
Light rain. High 50°, low 35°.
0.05
Shirley, Wednesday, 28 October
Light snow. High 41°, low 32°.
0Shirley, Thursday, 29 October
Clear. High 51°, low 29°.
0Shirley, Friday, 30 October
Clear. High 59°, low 35°.
0Shirley, Saturday, 31 October
Clear. High 63°, low 43°.
0
Shirley, Sunday, 1 November
Overcast. High 68°, low 47°.
0Shirley, Monday, 2 November
Mostly clear. High 68°, low 50°.
1.04Shirley, Tuesday, 3 November
Rain. High 55°, low 38°.
1.37Shirley, Wednesday, 4 November
Snow. High 36°, low 30°.
0.13Shirley, Thursday, 5 November
Snow. High 31°, low 26°.
0.02Shirley, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Shirley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.02
Shirley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Shirley, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Shirley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Shirley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Shirley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Shirley, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Shirley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Shirley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Shirley, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Shirley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Shirley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Shirley, Thursday, 19 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 Shirley, 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 Shirley, 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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