Weather in McNamara, MT
McNamara, Thursday, 12 November, 16:17
Overcast. Feels like 50°. High 52°, low 32°.
Monthly outlook for McNamara, MT: average high 36.5°, average low 21.1°. That is 0.8° below the climate normal for November. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 6 days and 1.0 inches. The warmest day looks like 12 November (52.3°), the coolest 25 November (-0°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 41.1° | 39.8° | +0.7° |
| 22 November – 1 December | 28.9° | 34.4° | -3° |
| 2 December – 11 December | at normal | 31.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (5 mi).
0McNamara, Friday, 13 November
Overcast. High 48°, low 30°.
0McNamara, Saturday, 14 November
Overcast. High 43°, low 31°.
0McNamara, Sunday, 15 November
Overcast. High 46°, low 33°.
0.15
McNamara, Monday, 16 November
Snow. High 39°, low 31°.
0.08McNamara, Tuesday, 17 November
Light snow. High 34°, low 29°.
0McNamara, Wednesday, 18 November
Overcast. High 40°, low 30°.
0.35McNamara, Thursday, 19 November
Snow. High 36°, low 31°.
0.13McNamara, Friday, 20 November
Light snow. High 37°, low 21°.
0McNamara, Saturday, 21 November
Overcast. High 35°, low 16°.
0.01McNamara, Sunday, 22 November
Light snow. High 34°, low 13°.
0.31McNamara, Monday, 23 November
Snow. High 33°, low 19°.
0.01McNamara, Tuesday, 24 November
Light snow. High 22°, low 4°.
0McNamara, Wednesday, 25 November
Overcast. High 23°, low 0°.
0
McNamara, Thursday, 26 November
Partly cloudy. High 29°, low 6°.
0McNamara, Friday, 27 November
Overcast. High 32°, low 11°.
0.07
McNamara, Saturday, 28 November
Climate normal for this date — 60-year average.
0.05McNamara, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05McNamara, Monday, 30 November
Climate normal for this date — 60-year average.
0.09McNamara, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14McNamara, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06McNamara, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07McNamara, Friday, 4 December
Climate normal for this date — 60-year average.
0.06McNamara, Saturday, 5 December
Climate normal for this date — 60-year average.
0.07McNamara, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06McNamara, Monday, 7 December
Climate normal for this date — 60-year average.
0.05McNamara, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.06McNamara, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.08McNamara, Thursday, 10 December
Climate normal for this date — 60-year average.
0.05McNamara, Friday, 11 December
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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