Weather in Acton, MT
Acton, Thursday, 8 October, 08:10
Clear. Feels like 37°. High 77°, low 43°.
Monthly outlook for Acton, MT: average high 54.9°, average low 37.7°. That is 1.9° below the climate normal for October. Precipitation is expected on 5 days (about 2.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 9 October (82.2°), the coolest 16 October (29.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 53.7° | 58.6° | -2.8° |
| 18 October – 27 October | 56.9° | 56.5° | +0.2° |
| 28 October – 6 November | at normal | 49.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain View Colony (10 mi).
0
Acton, Friday, 9 October
Partly cloudy. High 82°, low 48°.
0
Acton, Saturday, 10 October
Light rain. High 68°, low 41°.
0.7
Acton, Sunday, 11 October
Snow. High 40°, low 33°.
0.74Acton, Monday, 12 October
Snow. High 33°, low 32°.
0
Acton, Tuesday, 13 October
Overcast. High 39°, low 31°.
0.09Acton, Wednesday, 14 October
Light rain. High 58°, low 37°.
0.61Acton, Thursday, 15 October
Snow. High 44°, low 33°.
0Acton, Friday, 16 October
Clear. High 44°, low 30°.
0Acton, Saturday, 17 October
Overcast. High 51°, low 32°.
0Acton, Sunday, 18 October
Clear. High 61°, low 41°.
0Acton, Monday, 19 October
Partly cloudy. High 66°, low 45°.
0Acton, Tuesday, 20 October
Overcast. High 64°, low 45°.
0
Acton, Wednesday, 21 October
Mostly clear. High 53°, low 43°.
0Acton, Thursday, 22 October
Overcast. High 53°, low 36°.
0.23Acton, Friday, 23 October
Snow. High 45°, low 35°.
0.03Acton, Saturday, 24 October
Climate normal for this date — 60-year average.
0.03Acton, Sunday, 25 October
Climate normal for this date — 60-year average.
0.04Acton, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Acton, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Acton, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.04Acton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.02Acton, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Acton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Acton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Acton, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Acton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Acton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Acton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Acton, Friday, 6 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 Acton, 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 Acton, 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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