Weather in McNamara, MT
McNamara, Saturday, 24 October, 05:30
Partly cloudy. Feels like 37°. High 49°, low 33°.
Monthly outlook for McNamara, MT: average high 47.5°, average low 31.1°. That is 0.3° above the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 6 November (54.2°), the coolest 2 November (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 46.8° | 48.5° | -1° |
| 3 November – 12 November | 48.8° | 43.4° | +3° |
| 13 November – 22 November | at normal | 39.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (5 mi).
0
McNamara, Sunday, 25 October
Overcast. High 46°, low 33°.
0.11
McNamara, Monday, 26 October
Rain. High 51°, low 31°.
0.07
McNamara, Tuesday, 27 October
Snow. High 39°, low 33°.
0.01McNamara, Wednesday, 28 October
Light snow. High 44°, low 31°.
0McNamara, Thursday, 29 October
Overcast. High 46°, low 32°.
0McNamara, Friday, 30 October
Light snow. High 47°, low 29°.
0McNamara, Saturday, 31 October
Overcast. High 50°, low 30°.
0
McNamara, Sunday, 1 November
Clear. High 46°, low 29°.
0McNamara, Monday, 2 November
Clear. High 51°, low 27°.
0
McNamara, Tuesday, 3 November
Partly cloudy. High 54°, low 30°.
0.04McNamara, Wednesday, 4 November
Light snow. High 44°, low 31°.
0.06McNamara, Thursday, 5 November
Light snow. High 45°, low 33°.
0McNamara, Friday, 6 November
Overcast. High 54°, low 30°.
0.13McNamara, Saturday, 7 November
Snow. High 45°, low 34°.
0McNamara, Sunday, 8 November
Overcast. High 51°, low 32°.
0.06
McNamara, Monday, 9 November
Climate normal for this date — 60-year average.
0.04McNamara, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06McNamara, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06McNamara, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07McNamara, Friday, 13 November
Climate normal for this date — 60-year average.
0.06McNamara, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02
McNamara, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07McNamara, Monday, 16 November
Climate normal for this date — 60-year average.
0.06McNamara, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07McNamara, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06McNamara, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06McNamara, Friday, 20 November
Climate normal for this date — 60-year average.
0.05McNamara, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06McNamara, Sunday, 22 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 McNamara, 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 McNamara, 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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