Weather in Round Butte, MT
Round Butte, Friday, 23 October, 07:05
Light rain. Feels like 49°. High 49°, low 36°.
Monthly outlook for Round Butte, MT: average high 46.2°, average low 30.7°. That is 0.6° below the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 8 days and 1.8 inches. The warmest day looks like 24 October (51.7°), the coolest 30 October (21.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 46° | 48.7° | -1.5° |
| 2 November – 11 November | 46.5° | 43.7° | +1.6° |
| 12 November – 21 November | at normal | 40.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Turtle Lake (13 mi).
0
Round Butte, Saturday, 24 October
Mostly clear. High 52°, low 30°.
0
Round Butte, Sunday, 25 October
Partly cloudy. High 52°, low 35°.
0
Round Butte, Monday, 26 October
Overcast. High 51°, low 35°.
0.07Round Butte, Tuesday, 27 October
Light rain. High 44°, low 35°.
0Round Butte, Wednesday, 28 October
Mostly clear. High 52°, low 39°.
0
Round Butte, Thursday, 29 October
Clear. High 38°, low 24°.
0Round Butte, Friday, 30 October
Clear. High 39°, low 21°.
0Round Butte, Saturday, 31 October
Clear. High 41°, low 23°.
0Round Butte, Sunday, 1 November
Clear. High 42°, low 24°.
0Round Butte, Monday, 2 November
Clear. High 43°, low 25°.
0Round Butte, Tuesday, 3 November
Clear. High 44°, low 26°.
0Round Butte, Wednesday, 4 November
Clear. High 46°, low 27°.
0Round Butte, Thursday, 5 November
Overcast. High 47°, low 36°.
0.01Round Butte, Friday, 6 November
Light rain. High 52°, low 40°.
0Round Butte, Saturday, 7 November
Overcast. High 48°, low 35°.
0.1Round Butte, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Round Butte, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Round Butte, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11
Round Butte, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.11Round Butte, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Round Butte, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Round Butte, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Round Butte, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Round Butte, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Round Butte, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Round Butte, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Round Butte, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Round Butte, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Round Butte, Saturday, 21 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 Round Butte, 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 Round Butte, 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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