Weather in Altamont, WY
Altamont, Friday, 16 October, 19:39
Clear. Feels like 48°. High 57°, low 30°.
Monthly outlook for Altamont, WY: average high 50.8°, average low 33.8°. That is 0.2° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 17 October (60.1°), the coolest 31 October (29.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 54.3° | 52.7° | +0.9° |
| 26 October – 4 November | 45° | 45.9° | -0.5° |
| 5 November – 14 November | at normal | 41.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (10 mi).
0
Altamont, Saturday, 17 October
Clear. High 60°, low 35°.
0
Altamont, Sunday, 18 October
Overcast. High 60°, low 37°.
0Altamont, Monday, 19 October
Clear. High 59°, low 32°.
0.02
Altamont, Tuesday, 20 October
Light rain. High 58°, low 42°.
0.02Altamont, Wednesday, 21 October
Light rain. High 58°, low 38°.
0.01Altamont, Thursday, 22 October
Light rain. High 59°, low 41°.
0.16Altamont, Friday, 23 October
Rain. High 44°, low 35°.
0.07
Altamont, Saturday, 24 October
Snow. High 48°, low 32°.
0.12Altamont, Sunday, 25 October
Snow. High 41°, low 30°.
0Altamont, Monday, 26 October
Overcast. High 47°, low 30°.
0Altamont, Tuesday, 27 October
Clear. High 52°, low 30°.
0.21Altamont, Wednesday, 28 October
Snow. High 42°, low 34°.
0.21Altamont, Thursday, 29 October
Snow. High 37°, low 34°.
0.01Altamont, Friday, 30 October
Light snow. High 42°, low 32°.
0
Altamont, Saturday, 31 October
Mostly clear. High 50°, low 29°.
0.04
Altamont, 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.
0.07Altamont, Saturday, 14 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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