Weather in Red Oak, IL
Red Oak, Tuesday, 20 October, 01:32
Clear. Feels like 43°. High 69°, low 41°.
Monthly outlook for Red Oak, IL: average high 57.7°, average low 40.8°. That is 1.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 21 October (70.5°), the coolest 28 October (23.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 59° | 56.6° | +1.3° |
| 30 October – 8 November | 55.4° | 52.1° | +1.9° |
| 9 November – 18 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Freeport (7 mi).
0
Red Oak, Wednesday, 21 October
Clear. High 71°, low 43°.
0Red Oak, Thursday, 22 October
Clear. High 68°, low 48°.
0
Red Oak, Friday, 23 October
Overcast. High 63°, low 48°.
0Red Oak, Saturday, 24 October
Overcast. High 64°, low 48°.
0Red Oak, Sunday, 25 October
Overcast. High 66°, low 52°.
0Red Oak, Monday, 26 October
Overcast. High 55°, low 43°.
0.06
Red Oak, Tuesday, 27 October
Light rain. High 46°, low 31°.
0Red Oak, Wednesday, 28 October
Clear. High 40°, low 23°.
0
Red Oak, Thursday, 29 October
Partly cloudy. High 49°, low 27°.
0Red Oak, Friday, 30 October
Clear. High 54°, low 33°.
0
Red Oak, Saturday, 31 October
Mostly clear. High 59°, low 40°.
0.02Red Oak, Sunday, 1 November
Light rain. High 58°, low 47°.
0.02Red Oak, Monday, 2 November
Light rain. High 52°, low 46°.
0Red Oak, Tuesday, 3 November
Partly cloudy. High 55°, low 43°.
0Red Oak, Wednesday, 4 November
Overcast. High 54°, low 38°.
0.1Red Oak, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Red Oak, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Red Oak, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Red Oak, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Red Oak, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Red Oak, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Red Oak, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Red Oak, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Red Oak, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Red Oak, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Red Oak, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Red Oak, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Red Oak, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Red Oak, 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 Red Oak, IL 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 Red Oak, IL 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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