Weather in Irwin, IA
Irwin, Saturday, 10 October, 18:29
Clear. Feels like 80°. High 86°, low 62°.
Monthly outlook for Irwin, IA: average high 61°, average low 45.4°. That is 0° below the climate normal for October. Precipitation is expected on 2 days (about 1.8 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 10 October (85.7°), the coolest 17 October (26.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 63.6° | 62° | +0.9° |
| 20 October – 29 October | 56.8° | 58.4° | -0.9° |
| 30 October – 8 November | at normal | 52.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kimballton (13 mi).
0
Irwin, Sunday, 11 October
Overcast. High 85°, low 63°.
0Irwin, Monday, 12 October
Clear. High 84°, low 66°.
0.01
Irwin, Tuesday, 13 October
Light rain. High 70°, low 56°.
0
Irwin, Wednesday, 14 October
Partly cloudy. High 63°, low 53°.
1.55Irwin, Thursday, 15 October
Rain. High 56°, low 54°.
0Irwin, Friday, 16 October
Overcast. High 54°, low 34°.
0Irwin, Saturday, 17 October
Overcast. High 38°, low 27°.
0Irwin, Sunday, 18 October
Clear. High 43°, low 27°.
0Irwin, Monday, 19 October
Partly cloudy. High 56°, low 35°.
0Irwin, Tuesday, 20 October
Clear. High 62°, low 40°.
0Irwin, Wednesday, 21 October
Partly cloudy. High 66°, low 46°.
0.21Irwin, Thursday, 22 October
Rain. High 57°, low 47°.
0Irwin, Friday, 23 October
Overcast. High 47°, low 40°.
0Irwin, Saturday, 24 October
Clear. High 53°, low 37°.
0Irwin, Sunday, 25 October
Overcast. High 56°, low 39°.
0.05Irwin, Monday, 26 October
Climate normal for this date — 60-year average.
0.07Irwin, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06
Irwin, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09Irwin, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Irwin, Friday, 30 October
Climate normal for this date — 60-year average.
0.1Irwin, Saturday, 31 October
Climate normal for this date — 60-year average.
0.13
Irwin, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Irwin, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Irwin, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Irwin, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Irwin, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Irwin, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Irwin, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Irwin, Sunday, 8 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, IA 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, IA 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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