Weather in Altamont, WY
Altamont, Thursday, 29 October, 08:47
Partly cloudy. Feels like 38°. High 53°, low 31°.
Monthly outlook for Altamont, WY: average high 47.1°, average low 32.1°. That is 2.2° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 10 November (54.3°), the coolest 13 November (18.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 48.1° | 44.5° | +2° |
| 8 November – 17 November | 45.5° | 39.9° | +3.1° |
| 18 November – 27 November | at normal | 34.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0.04
Altamont, Friday, 30 October
Light rain. High 52°, low 34°.
0.04Altamont, Saturday, 31 October
Light rain. High 51°, low 36°.
0.36Altamont, Sunday, 1 November
Light rain. High 46°, low 38°.
0.03Altamont, Monday, 2 November
Light rain. High 42°, low 33°.
0
Altamont, Tuesday, 3 November
Clear. High 45°, low 28°.
0
Altamont, Wednesday, 4 November
Overcast. High 51°, low 30°.
0Altamont, Thursday, 5 November
Overcast. High 47°, low 34°.
0Altamont, Friday, 6 November
Overcast. High 48°, low 32°.
0Altamont, Saturday, 7 November
Clear. High 46°, low 31°.
0Altamont, Sunday, 8 November
Overcast. High 50°, low 31°.
0Altamont, Monday, 9 November
Overcast. High 52°, low 38°.
0Altamont, Tuesday, 10 November
Overcast. High 54°, low 38°.
0Altamont, Wednesday, 11 November
Partly cloudy. High 53°, low 38°.
0.43
Altamont, Thursday, 12 November
Snow. High 35°, low 22°.
0.04Altamont, Friday, 13 November
Light snow. High 28°, low 19°.
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.
0.06
Altamont, 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.
0.06Altamont, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Altamont, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09Altamont, Thursday, 26 November
Climate normal for this date — 60-year average.
0.05Altamont, Friday, 27 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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