Weather in Altamont, WY
Altamont, Thursday, 15 October, 04:49
Clear. Feels like 35°. High 49°, low 32°.
Monthly outlook for Altamont, WY: average high 51.4°, average low 32.3°. That is 0.1° 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 17 October (61.5°), the coolest 24 October (22.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 51.1° | 53.1° | -1.1° |
| 25 October – 3 November | 51.9° | 46.5° | +3° |
| 4 November – 13 November | at normal | 42.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0
Altamont, Friday, 16 October
Clear. High 51°, low 28°.
0Altamont, Saturday, 17 October
Clear. High 62°, low 32°.
0
Altamont, Sunday, 18 October
Overcast. High 61°, low 31°.
0Altamont, Monday, 19 October
Clear. High 59°, low 33°.
0.01
Altamont, Tuesday, 20 October
Light rain. High 57°, low 42°.
0.08Altamont, Wednesday, 21 October
Light rain. High 57°, low 42°.
0.06
Altamont, Thursday, 22 October
Snow. High 44°, low 34°.
0.07Altamont, Friday, 23 October
Light snow. High 35°, low 27°.
0.02Altamont, Saturday, 24 October
Light snow. High 37°, low 22°.
0Altamont, Sunday, 25 October
Overcast. High 45°, low 24°.
0.01Altamont, Monday, 26 October
Light snow. High 45°, low 33°.
0Altamont, Tuesday, 27 October
Clear. High 52°, low 29°.
0Altamont, Wednesday, 28 October
Overcast. High 55°, low 34°.
0
Altamont, Thursday, 29 October
Mostly clear. High 57°, low 38°.
0
Altamont, Friday, 30 October
Partly cloudy. High 58°, low 36°.
0.06Altamont, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Altamont, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Altamont, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Altamont, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Altamont, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Altamont, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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