Weather in Rantoul, IL
Rantoul, Saturday, 10 October, 12:21
Overcast. Feels like 74°. High 76°, low 56°.
Monthly outlook for Rantoul, IL: average high 65.1°, average low 47°. That is 1.1° above the climate normal for October. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 12 October (85.7°), the coolest 18 October (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 67.3° | 64.1° | +1.8° |
| 20 October – 29 October | 61.5° | 60.2° | +0.7° |
| 30 October – 8 November | at normal | 56.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Champaign (14 mi).
0
Rantoul, Sunday, 11 October
Clear. High 79°, low 52°.
0Rantoul, Monday, 12 October
Clear. High 86°, low 53°.
0Rantoul, Tuesday, 13 October
Clear. High 85°, low 70°.
0.07
Rantoul, Wednesday, 14 October
Light rain. High 75°, low 58°.
0.17Rantoul, Thursday, 15 October
Light rain. High 64°, low 55°.
0.12Rantoul, Friday, 16 October
Light rain. High 61°, low 43°.
0Rantoul, Saturday, 17 October
Overcast. High 41°, low 33°.
0Rantoul, Sunday, 18 October
Clear. High 48°, low 30°.
0Rantoul, Monday, 19 October
Overcast. High 57°, low 35°.
0Rantoul, Tuesday, 20 October
Overcast. High 63°, low 40°.
0.09Rantoul, Wednesday, 21 October
Light rain. High 60°, low 49°.
0Rantoul, Thursday, 22 October
Clear. High 66°, low 43°.
0
Rantoul, Friday, 23 October
Mostly clear. High 61°, low 46°.
0Rantoul, Saturday, 24 October
Overcast. High 60°, low 44°.
0.43Rantoul, Sunday, 25 October
Rain. High 59°, low 46°.
0.12
Rantoul, Monday, 26 October
Climate normal for this date — 60-year average.
0.08
Rantoul, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Rantoul, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Rantoul, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Rantoul, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Rantoul, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Rantoul, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Rantoul, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Rantoul, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Rantoul, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Rantoul, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Rantoul, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Rantoul, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Rantoul, 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 Rantoul, 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 Rantoul, 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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