Weather in Altamont, WY
Altamont, Friday, 13 November, 14:29
Overcast. Feels like 50°. High 54°, low 31°.
Monthly outlook for Altamont, WY: average high 36.9°, average low 22.5°. That is 0.8° above the climate normal for November. Precipitation is expected on 5 days (about 1.7 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 13 November (53.6°), the coolest 21 November (12.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 37.7° | 37.5° | +0.1° |
| 23 November – 2 December | 35.6° | 32° | +2° |
| 3 December – 12 December | at normal | 29.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0.76
Altamont, Saturday, 14 November
Snow. High 41°, low 27°.
0
Altamont, Sunday, 15 November
Partly cloudy. High 36°, low 22°.
0Altamont, Monday, 16 November
Overcast. High 38°, low 21°.
0.46Altamont, Tuesday, 17 November
Snow. High 35°, low 29°.
0.12Altamont, Wednesday, 18 November
Snow. High 28°, low 20°.
0Altamont, Thursday, 19 November
Overcast. High 44°, low 22°.
0.12Altamont, Friday, 20 November
Light snow. High 32°, low 18°.
0
Altamont, Saturday, 21 November
Mostly clear. High 33°, low 13°.
0Altamont, Sunday, 22 November
Overcast. High 36°, low 18°.
0Altamont, Monday, 23 November
Overcast. High 36°, low 22°.
0Altamont, Tuesday, 24 November
Overcast. High 33°, low 26°.
0Altamont, Wednesday, 25 November
Overcast. High 41°, low 24°.
0Altamont, Thursday, 26 November
Overcast. High 37°, low 26°.
0.03Altamont, Friday, 27 November
Light snow. High 32°, low 22°.
0.22Altamont, Saturday, 28 November
Snow. High 35°, low 21°.
0.05Altamont, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05Altamont, Monday, 30 November
Climate normal for this date — 60-year average.
0.06Altamont, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06
Altamont, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06Altamont, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Altamont, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Altamont, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Altamont, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Altamont, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Altamont, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.05Altamont, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04Altamont, Thursday, 10 December
Climate normal for this date — 60-year average.
0.03Altamont, Friday, 11 December
Climate normal for this date — 60-year average.
0.05Altamont, Saturday, 12 December
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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