Weather in Round Butte, MT
Round Butte, Friday, 30 October, 15:47
Overcast. Feels like 41°. High 43°, low 33°.
Monthly outlook for Round Butte, MT: average high 47.1°, average low 33.2°. That is 1.8° above the climate normal for October. Precipitation is expected on 0 days (about 0.1 inches), against a normal of 8 days and 1.8 inches. The warmest day looks like 31 October (52°), the coolest 3 November (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 46.9° | 45° | +1° |
| 9 November – 18 November | 47.4° | 41.2° | +3.5° |
| 19 November – 28 November | at normal | 36.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Turtle Lake (13 mi).
0Round Butte, Saturday, 31 October
Overcast. High 52°, low 37°.
0.03
Round Butte, Sunday, 1 November
Light rain. High 46°, low 37°.
0Round Butte, Monday, 2 November
Overcast. High 46°, low 32°.
0Round Butte, Tuesday, 3 November
Overcast. High 46°, low 29°.
0
Round Butte, Wednesday, 4 November
Partly cloudy. High 49°, low 32°.
0Round Butte, Thursday, 5 November
Overcast. High 48°, low 31°.
0.02Round Butte, Friday, 6 November
Light rain. High 46°, low 33°.
0Round Butte, Saturday, 7 November
Partly cloudy. High 45°, low 30°.
0Round Butte, Sunday, 8 November
Overcast. High 47°, low 31°.
0Round Butte, Monday, 9 November
Overcast. High 51°, low 35°.
0.02Round Butte, Tuesday, 10 November
Light rain. High 48°, low 34°.
0.03Round Butte, Wednesday, 11 November
Light rain. High 52°, low 38°.
0Round Butte, Thursday, 12 November
Overcast. High 47°, low 36°.
0Round Butte, Friday, 13 November
Overcast. High 42°, low 30°.
0Round Butte, Saturday, 14 November
Overcast. High 45°, low 31°.
0.06
Round 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.
0.11Round Butte, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Round Butte, Monday, 23 November
Climate normal for this date — 60-year average.
0.16Round Butte, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.17Round Butte, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Round Butte, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Round Butte, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Round Butte, Saturday, 28 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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