Weather in Altamont, WY
Altamont, Sunday, 25 October, 00:35
Mostly clear. Feels like 27°. High 44°, low 28°.
Monthly outlook for Altamont, WY: average high 52.2°, average low 33.9°. That is 3.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 8 November (62.9°), the coolest 25 October (28°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 48.6° | 46.5° | +1.1° |
| 4 November – 13 November | 58.4° | 42.3° | +8.9° |
| 14 November – 23 November | at normal | 36.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0
Altamont, Monday, 26 October
Partly cloudy. High 49°, low 29°.
0.15
Altamont, Tuesday, 27 October
Snow. High 44°, low 31°.
0.02Altamont, Wednesday, 28 October
Snow. High 52°, low 32°.
0
Altamont, Thursday, 29 October
Overcast. High 55°, low 35°.
0Altamont, Friday, 30 October
Overcast. High 53°, low 36°.
0.08Altamont, Saturday, 31 October
Snow. High 48°, low 35°.
0.05
Altamont, Sunday, 1 November
Light rain. High 45°, low 32°.
0Altamont, Monday, 2 November
Overcast. High 45°, low 31°.
0Altamont, Tuesday, 3 November
Overcast. High 50°, low 29°.
0Altamont, Wednesday, 4 November
Overcast. High 49°, low 30°.
0Altamont, Thursday, 5 November
Overcast. High 60°, low 35°.
0Altamont, Friday, 6 November
Overcast. High 58°, low 38°.
0
Altamont, Saturday, 7 November
Clear. High 60°, low 42°.
0Altamont, Sunday, 8 November
Clear. High 63°, low 39°.
0Altamont, Monday, 9 November
Clear. High 60°, low 41°.
0.06
Altamont, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Altamont, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Altamont, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Altamont, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Altamont, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02
Altamont, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Altamont, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Altamont, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Altamont, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Altamont, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Altamont, Friday, 20 November
Climate normal for this date — 60-year average.
0.05Altamont, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Altamont, Sunday, 22 November
Climate normal for this date — 60-year average.
0.04Altamont, 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 Altamont, WY 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 Altamont, WY 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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