Weather in Amherst, MT
Amherst, Sunday, 25 October, 09:55
Clear. Feels like 30°. High 42°, low 27°.
Monthly outlook for Amherst, MT: average high 54.2°, average low 37.1°. That is 3.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 9 November (68.4°), the coolest 25 October (26.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 51.3° | 49.2° | +1.2° |
| 4 November – 13 November | 59.1° | 44.4° | +8.2° |
| 14 November – 23 November | at normal | 41.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lewistown (11 mi).
0Amherst, Monday, 26 October
Clear. High 51°, low 28°.
0.41
Amherst, Tuesday, 27 October
Heavy rain. High 51°, low 33°.
0Amherst, Wednesday, 28 October
Clear. High 55°, low 33°.
0
Amherst, Thursday, 29 October
Partly cloudy. High 45°, low 32°.
0
Amherst, Friday, 30 October
Overcast. High 47°, low 31°.
0Amherst, Saturday, 31 October
Overcast. High 59°, low 34°.
0.04Amherst, Sunday, 1 November
Light rain. High 63°, low 45°.
0.26
Amherst, Monday, 2 November
Snow. High 46°, low 37°.
0Amherst, Tuesday, 3 November
Clear. High 55°, low 37°.
0Amherst, Wednesday, 4 November
Overcast. High 58°, low 41°.
0Amherst, Thursday, 5 November
Partly cloudy. High 61°, low 42°.
0.01Amherst, Friday, 6 November
Light rain. High 58°, low 46°.
0Amherst, Saturday, 7 November
Overcast. High 53°, low 41°.
0Amherst, Sunday, 8 November
Overcast. High 55°, low 38°.
0Amherst, Monday, 9 November
Overcast. High 68°, low 49°.
0.04Amherst, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Amherst, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Amherst, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Amherst, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Amherst, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03
Amherst, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Amherst, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Amherst, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Amherst, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Amherst, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Amherst, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Amherst, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Amherst, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02Amherst, 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 Amherst, 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 Amherst, 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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