Weather in Shirley, MT
Shirley, Sunday, 18 October, 12:11
Partly cloudy. Feels like 58°. High 61°, low 40°.
Monthly outlook for Shirley, MT: average high 55.5°, average low 37.8°. That is 0.3° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 22 October (76°), the coolest 31 October (20.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 63° | 57.3° | +3.2° |
| 28 October – 6 November | 43° | 50.7° | -4.3° |
| 7 November – 16 November | at normal | 45.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kinsey (4 mi).
0
Shirley, Monday, 19 October
Clear. High 68°, low 40°.
0
Shirley, Tuesday, 20 October
Mostly clear. High 67°, low 42°.
0Shirley, Wednesday, 21 October
Clear. High 66°, low 41°.
0Shirley, Thursday, 22 October
Clear. High 76°, low 51°.
0.18
Shirley, Friday, 23 October
Light rain. High 72°, low 48°.
0.01Shirley, Saturday, 24 October
Light rain. High 48°, low 40°.
0
Shirley, Sunday, 25 October
Overcast. High 58°, low 39°.
0Shirley, Monday, 26 October
Clear. High 57°, low 39°.
0.08Shirley, Tuesday, 27 October
Light rain. High 58°, low 45°.
0.28Shirley, Wednesday, 28 October
Rain. High 47°, low 40°.
0Shirley, Thursday, 29 October
Overcast. High 44°, low 35°.
0.23
Shirley, Friday, 30 October
Snow. High 34°, low 26°.
0Shirley, Saturday, 31 October
Partly cloudy. High 40°, low 21°.
0Shirley, Sunday, 1 November
Overcast. High 42°, low 26°.
0Shirley, Monday, 2 November
Overcast. High 52°, low 33°.
0.02Shirley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Shirley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Shirley, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
0.02Shirley, 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.
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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