Weather in Ilium, CO
Ilium, Thursday, 8 October, 01:58
Clear. Feels like 45°. High 69°, low 46°.
Monthly outlook for Ilium, CO: average high 50.4°, average low 32.1°. That is 0.1° above the climate normal for October. Precipitation is expected on 8 days (about 3.8 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 8 October (69°), the coolest 17 October (12.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 52.2° | 51.4° | +0.5° |
| 18 October – 27 October | 47.3° | 47.3° | -0° |
| 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).
0.02
Ilium, Friday, 9 October
Light rain. High 65°, low 40°.
0.28Ilium, Saturday, 10 October
Rain. High 58°, low 38°.
0.23Ilium, Sunday, 11 October
Rain. High 52°, low 42°.
0.1Ilium, Monday, 12 October
Light rain. High 58°, low 42°.
0.09Ilium, Tuesday, 13 October
Light rain. High 55°, low 36°.
1.46Ilium, Wednesday, 14 October
Heavy rain. High 51°, low 43°.
1.34
Ilium, Thursday, 15 October
Snow. High 41°, low 22°.
0.18Ilium, Friday, 16 October
Snow. High 31°, low 14°.
0
Ilium, Saturday, 17 October
Clear. High 41°, low 12°.
0
Ilium, Sunday, 18 October
Mostly clear. High 49°, low 26°.
0
Ilium, Monday, 19 October
Partly cloudy. High 51°, low 27°.
0.06Ilium, Tuesday, 20 October
Light rain. High 52°, low 36°.
0Ilium, Wednesday, 21 October
Clear. High 52°, low 34°.
0
Ilium, Thursday, 22 October
Overcast. High 45°, low 30°.
0Ilium, Friday, 23 October
Clear. High 35°, low 25°.
0.06Ilium, 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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