Weather in Deerfield, IA
Deerfield, Tuesday, 20 October, 11:39
Clear. Feels like 62°. High 66°, low 39°.
Monthly outlook for Deerfield, IA: average high 55.8°, average low 40°. That is 1.4° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 24 October (71.1°), the coolest 28 October (28°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.4° | 54.9° | +1.9° |
| 30 October – 8 November | 51.5° | 49.7° | +1° |
| 9 November – 18 November | at normal | 44° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Elma (6 mi).
0Deerfield, Wednesday, 21 October
Clear. High 71°, low 43°.
0Deerfield, Thursday, 22 October
Clear. High 70°, low 47°.
0
Deerfield, Friday, 23 October
Mostly clear. High 69°, low 52°.
0.13
Deerfield, Saturday, 24 October
Rain. High 71°, low 56°.
0.05Deerfield, Sunday, 25 October
Light rain. High 59°, low 52°.
1
Deerfield, Monday, 26 October
Snow. High 49°, low 34°.
0
Deerfield, Tuesday, 27 October
Partly cloudy. High 40°, low 30°.
0Deerfield, Wednesday, 28 October
Clear. High 46°, low 28°.
0Deerfield, Thursday, 29 October
Clear. High 45°, low 30°.
0Deerfield, Friday, 30 October
Clear. High 42°, low 29°.
0
Deerfield, Saturday, 31 October
Overcast. High 49°, low 30°.
0Deerfield, Sunday, 1 November
Overcast. High 50°, low 38°.
0Deerfield, Monday, 2 November
Overcast. High 55°, low 35°.
0.57Deerfield, Tuesday, 3 November
Rain. High 51°, low 47°.
0Deerfield, Wednesday, 4 November
Overcast. High 63°, low 50°.
0.06Deerfield, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Deerfield, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Deerfield, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Deerfield, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Deerfield, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Deerfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Deerfield, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Deerfield, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Deerfield, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Deerfield, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Deerfield, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Deerfield, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Deerfield, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Deerfield, Wednesday, 18 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 Deerfield, 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 Deerfield, 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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