Weather in Birney, MT
Birney, Friday, 9 October, 21:11
Clear. Feels like 63°. High 87°, low 48°.
Monthly outlook for Birney, MT: average high 58.3°, average low 40.2°. That is 1° below the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 9 October (87.2°), the coolest 17 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 59.2° | 60.4° | -0.7° |
| 19 October – 28 October | 56.7° | 58.1° | -0.8° |
| 29 October – 7 November | at normal | 51.6° | — |
October records over 66 years
0.03
Birney, Saturday, 10 October
Light rain. High 73°, low 50°.
0.3Birney, Sunday, 11 October
Rain. High 48°, low 43°.
0.15Birney, Monday, 12 October
Light rain. High 43°, low 38°.
0
Birney, Tuesday, 13 October
Overcast. High 54°, low 34°.
0
Birney, Wednesday, 14 October
Clear. High 60°, low 40°.
0
Birney, Thursday, 15 October
Mostly clear. High 57°, low 41°.
0Birney, Friday, 16 October
Overcast. High 42°, low 32°.
0Birney, Saturday, 17 October
Clear. High 62°, low 29°.
0Birney, Sunday, 18 October
Mostly clear. High 66°, low 43°.
0Birney, Monday, 19 October
Overcast. High 64°, low 46°.
0Birney, Tuesday, 20 October
Overcast. High 59°, low 42°.
0Birney, Wednesday, 21 October
Mostly clear. High 54°, low 41°.
0Birney, Thursday, 22 October
Overcast. High 57°, low 41°.
0
Birney, Friday, 23 October
Partly cloudy. High 50°, low 40°.
0Birney, Saturday, 24 October
Overcast. High 56°, low 36°.
0.03Birney, Sunday, 25 October
Climate normal for this date — 60-year average.
0.05Birney, Monday, 26 October
Climate normal for this date — 60-year average.
0.04Birney, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Birney, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Birney, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Birney, Friday, 30 October
Climate normal for this date — 60-year average.
0.03Birney, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Birney, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03Birney, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Birney, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Birney, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Birney, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Birney, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Birney, Saturday, 7 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 Birney, 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 Birney, 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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