Weather in Pekin Heights, IL
Pekin Heights, Sunday, 9 August, 00:04
Clear. Feels like 70°. High 94°, low 68°.
Monthly outlook for Pekin Heights, IL: average high 83.5°, average low 63.7°. That is 1.1° above the climate normal for August. Precipitation is expected on 6 days (about 0.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 10 August (95.5°), the coolest 21 August (50.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.5° | 81.6° | +1.7° |
| 19 August – 28 August | 81.8° | 81.7° | +0.1° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Peoria (14 mi).
0
Pekin Heights, Monday, 10 August
Overcast. High 96°, low 75°.
0.07
Pekin Heights, Tuesday, 11 August
Light rain. High 95°, low 71°.
0.06Pekin Heights, Wednesday, 12 August
Light rain. High 86°, low 72°.
0.11Pekin Heights, Thursday, 13 August
Light rain. High 80°, low 64°.
0Pekin Heights, Friday, 14 August
Overcast. High 80°, low 62°.
0.17Pekin Heights, Saturday, 15 August
Light rain. High 70°, low 61°.
0.01Pekin Heights, Sunday, 16 August
Light rain. High 76°, low 62°.
0.01Pekin Heights, Monday, 17 August
Light rain. High 82°, low 62°.
0Pekin Heights, Tuesday, 18 August
Overcast. High 88°, low 65°.
0.05Pekin Heights, Wednesday, 19 August
Light rain. High 78°, low 61°.
0
Pekin Heights, Thursday, 20 August
Partly cloudy. High 74°, low 54°.
0Pekin Heights, Friday, 21 August
Overcast. High 76°, low 51°.
0.04Pekin Heights, Saturday, 22 August
Light rain. High 87°, low 59°.
0
Pekin Heights, Sunday, 23 August
Mostly clear. High 92°, low 66°.
0Pekin Heights, Monday, 24 August
Light rain. High 86°, low 66°.
0.1
Pekin Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Pekin Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Pekin Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Pekin Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Pekin Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Pekin Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Pekin Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.17Pekin Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Pekin Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Pekin Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Pekin Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Pekin Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Pekin Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Pekin Heights, Monday, 7 September
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 Pekin Heights, 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 Pekin Heights, 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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