Weather in Cedar Park, IL
Cedar Park, Sunday, 9 August, 02:39
Mostly clear. Feels like 77°. High 97°, low 73°.
Monthly outlook for Cedar Park, IL: average high 96.6°, average low 74.6°. That is 6.3° above the climate normal for August. Precipitation is expected on 6 days (about 1.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 20 August (114.1°), the coolest 15 August (65.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 90.7° | 85.4° | +3° |
| 19 August – 28 August | 106.5° | 85.6° | +11.6° |
| 29 August – 7 September | at normal | 83.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (7 mi).
0.33
Cedar Park, Monday, 10 August
Heavy rain. High 100°, low 70°.
0.07Cedar Park, Tuesday, 11 August
Rain. High 101°, low 72°.
0.06Cedar Park, Wednesday, 12 August
Light rain. High 94°, low 78°.
0.25Cedar Park, Thursday, 13 August
Light rain. High 85°, low 72°.
0.14Cedar Park, Friday, 14 August
Light rain. High 72°, low 66°.
0.09Cedar Park, Saturday, 15 August
Light rain. High 87°, low 66°.
0
Cedar Park, Sunday, 16 August
Partly cloudy. High 89°, low 71°.
0.02Cedar Park, Monday, 17 August
Light rain. High 87°, low 72°.
0.02Cedar Park, Tuesday, 18 August
Light rain. High 93°, low 69°.
0Cedar Park, Wednesday, 19 August
Partly cloudy. High 107°, low 78°.
0
Cedar Park, Thursday, 20 August
Clear. High 114°, low 83°.
0Cedar Park, Friday, 21 August
Clear. High 100°, low 84°.
0Cedar Park, Saturday, 22 August
Clear. High 110°, low 81°.
0.01Cedar Park, Sunday, 23 August
Light rain. High 109°, low 80°.
0.02Cedar Park, Monday, 24 August
Light rain. High 98°, low 78°.
0.06Cedar Park, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Cedar Park, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Cedar Park, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Cedar Park, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Cedar Park, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Cedar Park, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Cedar Park, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Cedar Park, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1
Cedar Park, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Cedar Park, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Cedar Park, Friday, 4 September
Climate normal for this date — 60-year average.
0.04
Cedar Park, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Cedar Park, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Cedar Park, 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 Cedar Park, 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 Cedar Park, 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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