Weather in Peoria, IL
Peoria, Saturday, 17 October, 08:28
Clear. Feels like 38°. High 56°, low 37°.
Monthly outlook for Peoria, IL: average high 67.2°, average low 48.3°. That is 4.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 27 October (77.6°), the coolest 17 October (37.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66.8° | 60.1° | +3.7° |
| 27 October – 5 November | 68° | 56.2° | +6.6° |
| 6 November – 15 November | at normal | 50.8° | — |
October records over 66 years
0Peoria, Sunday, 18 October
Clear. High 62°, low 39°.
0Peoria, Monday, 19 October
Clear. High 64°, low 42°.
0Peoria, Tuesday, 20 October
Clear. High 66°, low 44°.
0Peoria, Wednesday, 21 October
Clear. High 68°, low 45°.
0Peoria, Thursday, 22 October
Clear. High 69°, low 47°.
0Peoria, Friday, 23 October
Clear. High 74°, low 52°.
0
Peoria, Saturday, 24 October
Overcast. High 73°, low 57°.
0Peoria, Sunday, 25 October
Overcast. High 68°, low 53°.
0Peoria, Monday, 26 October
Clear. High 68°, low 47°.
0Peoria, Tuesday, 27 October
Overcast. High 78°, low 59°.
0.29
Peoria, Wednesday, 28 October
Rain. High 68°, low 58°.
0.05Peoria, Thursday, 29 October
Light rain. High 62°, low 48°.
1.02Peoria, Friday, 30 October
Heavy rain. High 71°, low 55°.
0.12Peoria, Saturday, 31 October
Light rain. High 70°, low 49°.
0Peoria, Sunday, 1 November
Overcast. High 59°, low 43°.
0.08
Peoria, Monday, 2 November
Climate normal for this date — 60-year average.
0.09
Peoria, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Peoria, 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.
0.04
Peoria, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Peoria, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14Peoria, 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.
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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