Weather in Round Butte, MT
Round Butte, Sunday, 25 October, 21:00
Overcast. Feels like 38°. High 51°, low 34°.
Monthly outlook for Round Butte, MT: average high 49.3°, average low 36.5°. That is 1.8° above the climate normal for October. Precipitation is expected on 7 days (about 1.5 inches), against a normal of 8 days and 1.8 inches. The warmest day looks like 6 November (58.3°), the coolest 3 November (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 47.3° | 47.5° | -0.1° |
| 4 November – 13 November | 52.7° | 42.9° | +5.4° |
| 14 November – 23 November | at normal | 39° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Turtle Lake (13 mi).
0.07
Round Butte, Monday, 26 October
Rain. High 53°, low 34°.
0.09Round Butte, Tuesday, 27 October
Light rain. High 48°, low 37°.
0.1Round Butte, Wednesday, 28 October
Rain. High 46°, low 36°.
0Round Butte, Thursday, 29 October
Overcast. High 49°, low 30°.
0.03Round Butte, Friday, 30 October
Light rain. High 48°, low 35°.
0Round Butte, Saturday, 31 October
Overcast. High 47°, low 31°.
0.59Round Butte, Sunday, 1 November
Rain. High 42°, low 37°.
0Round Butte, Monday, 2 November
Overcast. High 46°, low 31°.
0
Round Butte, Tuesday, 3 November
Mostly clear. High 42°, low 29°.
0Round Butte, Wednesday, 4 November
Overcast. High 46°, low 39°.
0Round Butte, Thursday, 5 November
Overcast. High 55°, low 42°.
0.28Round Butte, Friday, 6 November
Rain. High 58°, low 48°.
0.11Round Butte, Saturday, 7 November
Light rain. High 55°, low 42°.
0Round Butte, Sunday, 8 November
Overcast. High 51°, low 39°.
0.25Round Butte, Monday, 9 November
Rain. High 50°, low 40°.
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.
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.
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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