Weather in Peoria, IL
Peoria, Monday, 12 October, 04:53
Clear. Feels like 62°. High 88°, low 61°.
Monthly outlook for Peoria, IL: average high 68.5°, average low 51.8°. That is 4.2° above the climate normal for October. Precipitation is expected on 5 days (about 2.5 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 12 October (88°), the coolest 18 October (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 69.9° | 62.3° | +4.3° |
| 22 October – 31 October | 66.2° | 58.5° | +4.3° |
| 1 November – 10 November | at normal | 53.8° | — |
October records over 66 years
0.05
Peoria, Tuesday, 13 October
Light rain. High 85°, low 66°.
0.47Peoria, Wednesday, 14 October
Heavy rain. High 75°, low 62°.
1.14Peoria, Thursday, 15 October
Heavy rain. High 61°, low 57°.
0
Peoria, Friday, 16 October
Partly cloudy. High 58°, low 47°.
0
Peoria, Saturday, 17 October
Clear. High 59°, low 38°.
0Peoria, Sunday, 18 October
Clear. High 62°, low 38°.
0
Peoria, Monday, 19 October
Overcast. High 69°, low 46°.
0Peoria, Tuesday, 20 October
Light rain. High 68°, low 58°.
0Peoria, Wednesday, 21 October
Clear. High 74°, low 55°.
0Peoria, Thursday, 22 October
Overcast. High 76°, low 56°.
0.78Peoria, Friday, 23 October
Heavy rain. High 67°, low 52°.
0
Peoria, Saturday, 24 October
Mostly clear. High 61°, low 45°.
0.11Peoria, Sunday, 25 October
Light rain. High 74°, low 54°.
0Peoria, Monday, 26 October
Overcast. High 56°, low 48°.
0Peoria, Tuesday, 27 October
Mostly clear. High 62°, low 44°.
0.04Peoria, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.08Peoria, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Peoria, Friday, 30 October
Climate normal for this date — 60-year average.
0.17
Peoria, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Peoria, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Peoria, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Peoria, 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.
0.04Peoria, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Peoria, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14Peoria, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Peoria, Tuesday, 10 November
Climate normal for this date — 60-year average.
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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