Weather in Peoria, IL
Peoria, Monday, 19 October, 21:41
Partly cloudy. Feels like 50°. High 69°, low 39°.
Monthly outlook for Peoria, IL: average high 60.7°, average low 42.6°. That is 1.3° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 October (70.1°), the coolest 28 October (27°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.9° | 59.4° | +2° |
| 29 October – 7 November | 57° | 55.3° | +0.9° |
| 8 November – 17 November | at normal | 50° | — |
October records over 66 years
0
Peoria, Tuesday, 20 October
Clear. High 70°, low 42°.
0Peoria, Wednesday, 21 October
Clear. High 70°, low 44°.
0Peoria, Thursday, 22 October
Clear. High 70°, low 48°.
0Peoria, Friday, 23 October
Clear. High 68°, low 48°.
0
Peoria, Saturday, 24 October
Overcast. High 66°, low 47°.
0Peoria, Sunday, 25 October
Overcast. High 68°, low 50°.
0.31
Peoria, Monday, 26 October
Rain. High 59°, low 51°.
0.67Peoria, Tuesday, 27 October
Rain. High 49°, low 35°.
0Peoria, Wednesday, 28 October
Clear. High 41°, low 27°.
0Peoria, Thursday, 29 October
Clear. High 49°, low 28°.
0Peoria, Friday, 30 October
Clear. High 54°, low 35°.
0
Peoria, Saturday, 31 October
Mostly clear. High 64°, low 42°.
0.03Peoria, Sunday, 1 November
Light rain. High 58°, low 49°.
0.32Peoria, Monday, 2 November
Rain. High 57°, low 51°.
0Peoria, Tuesday, 3 November
Mostly clear. High 59°, low 46°.
0.08
Peoria, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Peoria, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Peoria, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Peoria, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Peoria, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14
Peoria, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Peoria, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Peoria, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Peoria, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Peoria, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Peoria, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Peoria, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Peoria, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Peoria, Tuesday, 17 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 Peoria, 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 Peoria, 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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