Weather in Spear, MT
Spear, Wednesday, 7 October, 19:42
Mostly clear. Feels like 62°. High 80°, low 46°.
Monthly outlook for Spear, MT: average high 58.5°, average low 37.8°. That is 0.8° below the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 9 October (85.8°), the coolest 16 October (20.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 58.5° | 60.5° | -1.1° |
| 17 October – 26 October | 58.5° | 58° | +0.3° |
| 27 October – 5 November | at normal | 51.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Forty Mile Colony (6 mi).
0
Spear, Thursday, 8 October
Clear. High 82°, low 45°.
0
Spear, Friday, 9 October
Overcast. High 86°, low 47°.
0
Spear, Saturday, 10 October
Light rain. High 67°, low 48°.
0.39
Spear, Sunday, 11 October
Snow. High 41°, low 34°.
0.64Spear, Monday, 12 October
Snow. High 33°, low 27°.
0Spear, Tuesday, 13 October
Clear. High 55°, low 24°.
0.07Spear, Wednesday, 14 October
Light rain. High 63°, low 45°.
0.79Spear, Thursday, 15 October
Snow. High 37°, low 32°.
0
Spear, Friday, 16 October
Partly cloudy. High 40°, low 21°.
0Spear, Saturday, 17 October
Clear. High 48°, low 26°.
0Spear, Sunday, 18 October
Clear. High 63°, low 41°.
0
Spear, Monday, 19 October
Mostly clear. High 54°, low 43°.
0Spear, Tuesday, 20 October
Clear. High 64°, low 40°.
0.01Spear, Wednesday, 21 October
Light rain. High 71°, low 49°.
0.04Spear, Thursday, 22 October
Snow. High 50°, low 38°.
0.05Spear, Friday, 23 October
Climate normal for this date — 60-year average.
0.05Spear, Saturday, 24 October
Climate normal for this date — 60-year average.
0.03Spear, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07Spear, Monday, 26 October
Climate normal for this date — 60-year average.
0.05Spear, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Spear, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09Spear, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Spear, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Spear, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Spear, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Spear, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Spear, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Spear, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Spear, Thursday, 5 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 Spear, 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 Spear, 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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