Weather in Basin, MT
Basin, Wednesday, 7 October, 21:15
Clear. Feels like 50°. High 68°, low 34°.
Monthly outlook for Basin, MT: average high 49.7°, average low 28.8°. That is 0.2° above the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 8 October (71.6°), the coolest 16 October (16.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 49.2° | 50° | -0.5° |
| 17 October – 26 October | 50.5° | 47.2° | +1.9° |
| 27 October – 5 November | at normal | 40.8° | — |
October records over 66 years
0
Basin, Thursday, 8 October
Clear. High 72°, low 38°.
0
Basin, Friday, 9 October
Mostly clear. High 71°, low 42°.
0.43
Basin, Saturday, 10 October
Snow. High 44°, low 27°.
0.52Basin, Sunday, 11 October
Snow. High 25°, low 22°.
0.03Basin, Monday, 12 October
Light snow. High 44°, low 22°.
0Basin, Tuesday, 13 October
Clear. High 52°, low 25°.
0.05Basin, Wednesday, 14 October
Snow. High 42°, low 27°.
0.06Basin, Thursday, 15 October
Light snow. High 30°, low 18°.
0Basin, Friday, 16 October
Clear. High 44°, low 17°.
0
Basin, Saturday, 17 October
Overcast. High 51°, low 28°.
0Basin, Sunday, 18 October
Overcast. High 55°, low 34°.
0Basin, Monday, 19 October
Overcast. High 53°, low 32°.
0
Basin, Tuesday, 20 October
Partly cloudy. High 57°, low 36°.
0.07Basin, Wednesday, 21 October
Snow. High 52°, low 35°.
0.02Basin, Thursday, 22 October
Light snow. High 36°, low 27°.
0.05
Basin, Friday, 23 October
Climate normal for this date — 60-year average.
0.04Basin, Saturday, 24 October
Climate normal for this date — 60-year average.
0.06Basin, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07Basin, Monday, 26 October
Climate normal for this date — 60-year average.
0.04Basin, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Basin, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.05Basin, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Basin, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Basin, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Basin, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Basin, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Basin, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Basin, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Basin, Thursday, 5 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 Basin, 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 Basin, 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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