Weather in Byrne, MT
Byrne, Monday, 19 October, 03:01
Partly cloudy. Feels like 37°. High 66°, low 35°.
Monthly outlook for Byrne, MT: average high 53.8°, average low 33.3°. That is 5.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 21 October (67°), the coolest 28 October (22.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 56.2° | 46.5° | +5.4° |
| 29 October – 7 November | 49.9° | 40.2° | +5.4° |
| 8 November – 17 November | at normal | 36° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Springtown (11 mi).
0
Byrne, Tuesday, 20 October
Mostly clear. High 65°, low 41°.
0
Byrne, Wednesday, 21 October
Partly cloudy. High 67°, low 40°.
0.02
Byrne, Thursday, 22 October
Light rain. High 65°, low 44°.
0.67Byrne, Friday, 23 October
Rain. High 49°, low 39°.
0.03Byrne, Saturday, 24 October
Light rain. High 50°, low 36°.
0.02Byrne, Sunday, 25 October
Light rain. High 61°, low 32°.
0.04Byrne, Monday, 26 October
Light rain. High 45°, low 35°.
0Byrne, Tuesday, 27 October
Mostly clear. High 41°, low 24°.
0
Byrne, Wednesday, 28 October
Clear. High 52°, low 23°.
0
Byrne, Thursday, 29 October
Overcast. High 59°, low 31°.
0Byrne, Friday, 30 October
Overcast. High 54°, low 38°.
0Byrne, Saturday, 31 October
Overcast. High 51°, low 33°.
0.01
Byrne, Sunday, 1 November
Light snow. High 46°, low 29°.
0Byrne, Monday, 2 November
Overcast. High 41°, low 27°.
0Byrne, Tuesday, 3 November
Overcast. High 49°, low 26°.
0.07
Byrne, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Byrne, 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.
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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