Weather in McNamara, MT
McNamara, Wednesday, 28 October, 04:31
Overcast. Feels like 37°. High 44°, low 33°.
Monthly outlook for McNamara, MT: average high 47.2°, average low 33.7°. That is 1.3° above the climate normal for October. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 6 days and 1.0 inches. The warmest day looks like 6 November (55.4°), the coolest 3 November (30°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 48.3° | 46.3° | +1.1° |
| 7 November – 16 November | 45.2° | 41.8° | +1.9° |
| 17 November – 26 November | at normal | 36.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (5 mi).
0.01
McNamara, Thursday, 29 October
Light snow. High 50°, low 33°.
0McNamara, Friday, 30 October
Overcast. High 43°, low 31°.
0McNamara, Saturday, 31 October
Overcast. High 48°, low 35°.
0.22
McNamara, Sunday, 1 November
Rain. High 40°, low 35°.
0McNamara, Monday, 2 November
Overcast. High 43°, low 31°.
0McNamara, Tuesday, 3 November
Overcast. High 50°, low 30°.
0
McNamara, Wednesday, 4 November
Mostly clear. High 54°, low 30°.
0McNamara, Thursday, 5 November
Overcast. High 54°, low 36°.
0McNamara, Friday, 6 November
Mostly clear. High 55°, low 36°.
0.17McNamara, Saturday, 7 November
Rain. High 54°, low 37°.
0McNamara, Sunday, 8 November
Overcast. High 49°, low 36°.
0.39McNamara, Monday, 9 November
Snow. High 43°, low 37°.
0.26McNamara, Tuesday, 10 November
Snow. High 40°, low 35°.
0.32McNamara, Wednesday, 11 November
Snow. High 42°, low 33°.
0McNamara, Thursday, 12 November
Overcast. High 43°, low 33°.
0.07
McNamara, Friday, 13 November
Climate normal for this date — 60-year average.
0.06McNamara, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02McNamara, 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.
0.06
McNamara, 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.
0.05McNamara, Monday, 23 November
Climate normal for this date — 60-year average.
0.11McNamara, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.12McNamara, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07McNamara, Thursday, 26 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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