Weather in Ione, CO
Ione, Sunday, 11 October, 15:48
Overcast. Feels like 82°. High 85°, low 62°.
Monthly outlook for Ione, CO: average high 64.2°, average low 44.5°. That is 1.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 11 October (84.5°), the coolest 25 October (31.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 67.7° | 62.9° | +2.7° |
| 21 October – 30 October | 58.2° | 58.5° | -0.2° |
| 31 October – 9 November | at normal | 52.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Longmont (15 mi).
0
Ione, Monday, 12 October
Clear. High 80°, low 59°.
0.11
Ione, Tuesday, 13 October
Rain. High 66°, low 53°.
0.27Ione, Wednesday, 14 October
Light rain. High 52°, low 48°.
0.19Ione, Thursday, 15 October
Light rain. High 48°, low 44°.
0Ione, Friday, 16 October
Clear. High 54°, low 32°.
0Ione, Saturday, 17 October
Clear. High 70°, low 34°.
0Ione, Sunday, 18 October
Clear. High 73°, low 48°.
0Ione, Monday, 19 October
Clear. High 73°, low 50°.
0.01Ione, Tuesday, 20 October
Light rain. High 76°, low 48°.
0.01Ione, Wednesday, 21 October
Light rain. High 72°, low 48°.
0Ione, Thursday, 22 October
Clear. High 75°, low 47°.
0.48Ione, Friday, 23 October
Rain. High 50°, low 39°.
0.01Ione, Saturday, 24 October
Light rain. High 44°, low 35°.
0Ione, Sunday, 25 October
Clear. High 56°, low 31°.
0Ione, Monday, 26 October
Clear. High 52°, low 35°.
0.03
Ione, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Ione, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Ione, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05Ione, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Ione, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Ione, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Ione, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Ione, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03
Ione, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Ione, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Ione, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Ione, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Ione, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Ione, Monday, 9 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 Ione, 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 Ione, 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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