Weather in McNamara, MT
McNamara, Friday, 13 November, 22:00
Overcast. Feels like 41°. High 49°, low 31°.
Monthly outlook for McNamara, MT: average high 38.6°, average low 25.1°. That is 0.6° above the climate normal for November. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 6 days and 1.0 inches. The warmest day looks like 13 November (49°), the coolest 21 November (15°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 38.2° | 39.3° | -0.6° |
| 23 November – 2 December | 39.3° | 34.1° | +2.9° |
| 3 December – 12 December | at normal | 31.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (5 mi).
0.01
McNamara, Saturday, 14 November
Light snow. High 38°, low 27°.
0McNamara, Sunday, 15 November
Overcast. High 45°, low 25°.
0.08
McNamara, Monday, 16 November
Light rain. High 42°, low 35°.
0.19McNamara, Tuesday, 17 November
Light snow. High 34°, low 30°.
0.04McNamara, Wednesday, 18 November
Light snow. High 34°, low 26°.
0.05McNamara, Thursday, 19 November
Light snow. High 34°, low 26°.
0.22McNamara, Friday, 20 November
Snow. High 33°, low 18°.
0McNamara, Saturday, 21 November
Overcast. High 34°, low 15°.
0McNamara, Sunday, 22 November
Overcast. High 37°, low 18°.
0McNamara, Monday, 23 November
Overcast. High 38°, low 19°.
0McNamara, Tuesday, 24 November
Overcast. High 44°, low 27°.
0.03McNamara, Wednesday, 25 November
Snow. High 43°, low 27°.
0.22McNamara, Thursday, 26 November
Snow. High 38°, low 35°.
0.02McNamara, Friday, 27 November
Light snow. High 38°, low 24°.
0McNamara, Saturday, 28 November
Overcast. High 35°, low 20°.
0.05
McNamara, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05
McNamara, 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.
0.07McNamara, Saturday, 12 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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