Weather in McNamara, MT
McNamara, Tuesday, 27 October, 01:52
Overcast. Feels like 36°. High 41°, low 36°.
Monthly outlook for McNamara, MT: average high 45°, average low 32.7°. That is 0.1° below the climate normal for October. Precipitation is expected on 6 days (about 0.7 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 6 November (53.5°), the coolest 3 November (25.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 43.5° | 46.9° | -1.9° |
| 6 November – 15 November | 47.6° | 42.1° | +3° |
| 16 November – 25 November | at normal | 37.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Potomac (5 mi).
0.24
McNamara, Wednesday, 28 October
Snow. High 41°, low 28°.
0.03McNamara, Thursday, 29 October
Snow. High 41°, low 27°.
0.02
McNamara, Friday, 30 October
Light rain. High 44°, low 30°.
0.06McNamara, Saturday, 31 October
Light rain. High 44°, low 33°.
0.11McNamara, Sunday, 1 November
Light snow. High 38°, low 30°.
0McNamara, Monday, 2 November
Overcast. High 39°, low 27°.
0McNamara, Tuesday, 3 November
Overcast. High 47°, low 25°.
0
McNamara, Wednesday, 4 November
Clear. High 50°, low 28°.
0McNamara, Thursday, 5 November
Overcast. High 50°, low 31°.
0McNamara, Friday, 6 November
Overcast. High 53°, low 36°.
0.02McNamara, Saturday, 7 November
Light rain. High 53°, low 40°.
0.07McNamara, Sunday, 8 November
Snow. High 44°, low 41°.
0.04McNamara, Monday, 9 November
Snow. High 44°, low 40°.
0.03McNamara, Tuesday, 10 November
Light rain. High 46°, low 38°.
0
McNamara, Wednesday, 11 November
Partly cloudy. High 44°, low 34°.
0.06
McNamara, 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.
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.
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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