Weather in McClain, MT
McClain, Wednesday, 7 October, 17:44
Clear. Feels like 74°. High 75°, low 40°.
Monthly outlook for McClain, MT: average high 54.6°, average low 35.3°. That is 2.2° below the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 8 October (77.4°), the coolest 16 October (22.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 54.5° | 59.3° | -2.7° |
| 17 October – 26 October | 54.9° | 56° | -0.6° |
| 27 October – 5 November | at normal | 49.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stevensville (13 mi).
0
McClain, Thursday, 8 October
Overcast. High 77°, low 39°.
0.04
McClain, Friday, 9 October
Light rain. High 72°, low 41°.
0.16McClain, Saturday, 10 October
Rain. High 49°, low 38°.
0.1
McClain, Sunday, 11 October
Light snow. High 36°, low 33°.
0.02McClain, Monday, 12 October
Light snow. High 46°, low 31°.
0.03McClain, Tuesday, 13 October
Light rain. High 57°, low 34°.
0.28McClain, Wednesday, 14 October
Snow. High 43°, low 37°.
0.19McClain, Thursday, 15 October
Snow. High 42°, low 28°.
0McClain, Friday, 16 October
Clear. High 45°, low 23°.
0McClain, Saturday, 17 October
Overcast. High 46°, low 26°.
0McClain, Sunday, 18 October
Overcast. High 51°, low 35°.
0McClain, Monday, 19 October
Overcast. High 56°, low 35°.
0McClain, Tuesday, 20 October
Overcast. High 58°, low 43°.
0McClain, Wednesday, 21 October
Overcast. High 61°, low 42°.
0McClain, Thursday, 22 October
Clear. High 57°, low 41°.
0.06
McClain, Friday, 23 October
Climate normal for this date — 60-year average.
0.07
McClain, Saturday, 24 October
Climate normal for this date — 60-year average.
0.07McClain, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07McClain, Monday, 26 October
Climate normal for this date — 60-year average.
0.06McClain, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08McClain, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07McClain, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04McClain, Friday, 30 October
Climate normal for this date — 60-year average.
0.07McClain, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07McClain, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09McClain, Monday, 2 November
Climate normal for this date — 60-year average.
0.04McClain, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07McClain, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08McClain, 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 McClain, 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 McClain, 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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