Weather in Altamont, WY
Altamont, Wednesday, 21 October, 21:56
Overcast. Feels like 47°. High 58°, low 41°.
Monthly outlook for Altamont, WY: average high 51.7°, average low 34.9°. That is 2.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 22 October (60.9°), the coolest 26 October (26.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 51.6° | 49.4° | +1.2° |
| 31 October – 9 November | 52° | 43.8° | +4.5° |
| 10 November – 19 November | at normal | 38.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0.02
Altamont, Thursday, 22 October
Light rain. High 61°, low 45°.
0.22Altamont, Friday, 23 October
Rain. High 49°, low 34°.
0
Altamont, Saturday, 24 October
Partly cloudy. High 46°, low 30°.
0.35
Altamont, Sunday, 25 October
Snow. High 37°, low 32°.
0Altamont, Monday, 26 October
Overcast. High 46°, low 27°.
0
Altamont, Tuesday, 27 October
Mostly clear. High 54°, low 29°.
0Altamont, Wednesday, 28 October
Partly cloudy. High 52°, low 29°.
0Altamont, Thursday, 29 October
Overcast. High 58°, low 39°.
0.02Altamont, Friday, 30 October
Light rain. High 56°, low 44°.
0.01Altamont, Saturday, 31 October
Light rain. High 48°, low 37°.
0
Altamont, Sunday, 1 November
Clear. High 48°, low 29°.
0Altamont, Monday, 2 November
Clear. High 54°, low 31°.
0Altamont, Tuesday, 3 November
Clear. High 55°, low 35°.
0Altamont, Wednesday, 4 November
Partly cloudy. High 50°, low 37°.
0Altamont, Thursday, 5 November
Clear. High 57°, low 37°.
0.03Altamont, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Altamont, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07
Altamont, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Altamont, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Altamont, 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.
0.02Altamont, 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.
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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