Weather in Ilium, CO
Ilium, Thursday, 8 October, 09:19
Clear. Feels like 48°. High 70°, low 45°.
Monthly outlook for Ilium, CO: average high 52°, average low 35.2°. That is 1° above the climate normal for October. Precipitation is expected on 7 days (about 3.8 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 8 October (70.1°), the coolest 19 October (24.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 54.6° | 51.4° | +1.8° |
| 18 October – 27 October | 47.8° | 47.3° | +0.3° |
| 28 October – 6 November | at normal | 42.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Telluride (4 mi).
0.03
Ilium, Friday, 9 October
Light rain. High 68°, low 46°.
0.17Ilium, Saturday, 10 October
Rain. High 58°, low 36°.
0.28Ilium, Sunday, 11 October
Rain. High 56°, low 42°.
0.02Ilium, Monday, 12 October
Light rain. High 58°, low 44°.
0Ilium, Tuesday, 13 October
Light rain. High 57°, low 44°.
0.44
Ilium, Wednesday, 14 October
Snow. High 43°, low 32°.
0.05Ilium, Thursday, 15 October
Snow. High 45°, low 33°.
0.28Ilium, Friday, 16 October
Snow. High 49°, low 33°.
2.02Ilium, Saturday, 17 October
Snow. High 42°, low 37°.
0.52Ilium, Sunday, 18 October
Snow. High 39°, low 26°.
0.01Ilium, Monday, 19 October
Light rain. High 45°, low 24°.
0Ilium, Tuesday, 20 October
Clear. High 47°, low 27°.
0Ilium, Wednesday, 21 October
Clear. High 52°, low 29°.
0Ilium, Thursday, 22 October
Clear. High 53°, low 32°.
0Ilium, Friday, 23 October
Clear. High 50°, low 34°.
0.06
Ilium, Saturday, 24 October
Climate normal for this date — 60-year average.
0.08
Ilium, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09Ilium, Monday, 26 October
Climate normal for this date — 60-year average.
0.06Ilium, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.09Ilium, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11Ilium, Thursday, 29 October
Climate normal for this date — 60-year average.
0.07Ilium, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Ilium, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Ilium, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Ilium, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Ilium, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Ilium, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Ilium, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Ilium, Friday, 6 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 Ilium, CO 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 Ilium, CO 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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