Weather in Altamont, WY
Altamont, Friday, 30 October, 20:04
Overcast. Feels like 41°. High 50°, low 35°.
Monthly outlook for Altamont, WY: average high 44.2°, average low 28.8°. That is 0.9° above the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 10 November (51°), the coolest 13 November (21°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 44.7° | 44.1° | +0.3° |
| 9 November – 18 November | 43.4° | 39.3° | +2.3° |
| 19 November – 28 November | at normal | 33.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0.02
Altamont, Saturday, 31 October
Light rain. High 50°, low 40°.
0.24Altamont, Sunday, 1 November
Light rain. High 48°, low 38°.
0.01Altamont, Monday, 2 November
Light rain. High 42°, low 30°.
0Altamont, Tuesday, 3 November
Overcast. High 45°, low 28°.
0.04Altamont, Wednesday, 4 November
Light rain. High 43°, low 29°.
0Altamont, Thursday, 5 November
Overcast. High 45°, low 28°.
0.11
Altamont, Friday, 6 November
Light snow. High 46°, low 25°.
0.02Altamont, Saturday, 7 November
Light snow. High 32°, low 23°.
0
Altamont, Sunday, 8 November
Clear. High 45°, low 22°.
0Altamont, Monday, 9 November
Clear. High 50°, low 27°.
0Altamont, Tuesday, 10 November
Overcast. High 51°, low 31°.
0Altamont, Wednesday, 11 November
Clear. High 45°, low 32°.
0.07Altamont, Thursday, 12 November
Light snow. High 33°, low 23°.
0
Altamont, Friday, 13 November
Mostly clear. High 38°, low 21°.
0Altamont, Saturday, 14 November
Overcast. High 44°, low 28°.
0.02Altamont, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04
Altamont, 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.
0.06Altamont, Saturday, 28 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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