Weather in Byrne, MT
Byrne, Tuesday, 20 October, 15:27
Overcast. Feels like 56°. High 59°, low 34°.
Monthly outlook for Byrne, MT: average high 52.4°, average low 31.4°. That is 4.8° above the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 22 October (66.8°), the coolest 2 November (26°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 54.7° | 45.7° | +5° |
| 30 October – 8 November | 48.4° | 39.7° | +4.8° |
| 9 November – 18 November | at normal | 35.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Springtown (11 mi).
0
Byrne, Wednesday, 21 October
Mostly clear. High 64°, low 31°.
0.02
Byrne, Thursday, 22 October
Light rain. High 67°, low 36°.
1.07Byrne, Friday, 23 October
Rain. High 51°, low 42°.
0
Byrne, Saturday, 24 October
Partly cloudy. High 50°, low 31°.
0
Byrne, Sunday, 25 October
Clear. High 55°, low 33°.
0Byrne, Monday, 26 October
Clear. High 45°, low 29°.
0Byrne, Tuesday, 27 October
Clear. High 54°, low 27°.
0Byrne, Wednesday, 28 October
Overcast. High 46°, low 27°.
0Byrne, Thursday, 29 October
Overcast. High 56°, low 31°.
0Byrne, Friday, 30 October
Partly cloudy. High 53°, low 34°.
0Byrne, Saturday, 31 October
Overcast. High 49°, low 31°.
0.18
Byrne, Sunday, 1 November
Snow. High 43°, low 27°.
0Byrne, Monday, 2 November
Overcast. High 49°, low 26°.
0Byrne, Tuesday, 3 November
Overcast. High 49°, low 32°.
0.09Byrne, Wednesday, 4 November
Light rain. High 48°, low 32°.
0.07
Byrne, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Byrne, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Byrne, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Byrne, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Byrne, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Byrne, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Byrne, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Byrne, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Byrne, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Byrne, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Byrne, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Byrne, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Byrne, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Byrne, Wednesday, 18 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 Byrne, 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 Byrne, 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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