Weather in Irwin, CO
Irwin, Monday, 12 October, 19:08
Overcast. Feels like 49°. High 57°, low 41°.
Monthly outlook for Irwin, CO: average high 43.7°, average low 26.1°. That is 2.6° below the climate normal for October. Precipitation is expected on 8 days (about 3.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 12 October (57.2°), the coolest 23 October (17.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 47.6° | 49.7° | -1.2° |
| 22 October – 31 October | 37.2° | 44.9° | -4.3° |
| 1 November – 10 November | at normal | 40.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Crested Butte (6 mi).
1.17
Irwin, Tuesday, 13 October
Snow. High 46°, low 35°.
0.68Irwin, Wednesday, 14 October
Snow. High 41°, low 27°.
0.26Irwin, Thursday, 15 October
Snow. High 44°, low 26°.
0
Irwin, Friday, 16 October
Clear. High 48°, low 17°.
0Irwin, Saturday, 17 October
Clear. High 48°, low 23°.
0Irwin, Sunday, 18 October
Clear. High 46°, low 30°.
0Irwin, Monday, 19 October
Clear. High 48°, low 30°.
0.02
Irwin, Tuesday, 20 October
Light rain. High 48°, low 32°.
0.07Irwin, Wednesday, 21 October
Snow. High 50°, low 34°.
0.53Irwin, Thursday, 22 October
Snow. High 33°, low 18°.
0.05Irwin, Friday, 23 October
Light snow. High 30°, low 17°.
0Irwin, Saturday, 24 October
Clear. High 44°, low 17°.
0Irwin, Sunday, 25 October
Overcast. High 43°, low 25°.
0.05Irwin, Monday, 26 October
Light snow. High 34°, low 22°.
0Irwin, Tuesday, 27 October
Clear. High 40°, low 23°.
0.07
Irwin, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09
Irwin, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06Irwin, Friday, 30 October
Climate normal for this date — 60-year average.
0.08Irwin, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Irwin, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Irwin, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Irwin, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Irwin, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Irwin, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Irwin, Friday, 6 November
Climate normal for this date — 60-year average.
0.03
Irwin, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Irwin, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Irwin, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Irwin, Tuesday, 10 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 Irwin, 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 Irwin, 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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