Weather in Crystal Manor, IL
Crystal Manor, Sunday, 9 August, 01:42
Clear. Feels like 64°. High 81°, low 62°.
Monthly outlook for Crystal Manor, IL: average high 80.5°, average low 64.5°. That is 0.4° above the climate normal for August. Precipitation is expected on 4 days (about 2.1 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 20 August (90.3°), the coolest 14 August (56°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.9° | 79.8° | -1.1° |
| 19 August – 28 August | 84.9° | 79.9° | +2.8° |
| 29 August – 7 September | at normal | 78.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Elgin (13 mi).
0.47
Crystal Manor, Monday, 10 August
Rain. High 87°, low 69°.
0.27Crystal Manor, Tuesday, 11 August
Rain. High 82°, low 67°.
0.02Crystal Manor, Wednesday, 12 August
Light rain. High 81°, low 67°.
0
Crystal Manor, Thursday, 13 August
Overcast. High 72°, low 62°.
0
Crystal Manor, Friday, 14 August
Partly cloudy. High 72°, low 56°.
0Crystal Manor, Saturday, 15 August
Overcast. High 75°, low 57°.
0.02Crystal Manor, Sunday, 16 August
Light rain. High 72°, low 63°.
0.02Crystal Manor, Monday, 17 August
Light rain. High 81°, low 63°.
0Crystal Manor, Tuesday, 18 August
Overcast. High 76°, low 60°.
0.17Crystal Manor, Wednesday, 19 August
Light rain. High 83°, low 67°.
0Crystal Manor, Thursday, 20 August
Overcast. High 90°, low 74°.
0
Crystal Manor, Friday, 21 August
Clear. High 82°, low 68°.
0.01Crystal Manor, Saturday, 22 August
Light rain. High 88°, low 65°.
0Crystal Manor, Sunday, 23 August
Overcast. High 89°, low 66°.
0.03Crystal Manor, Monday, 24 August
Light rain. High 78°, low 67°.
0.08Crystal Manor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Crystal Manor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Crystal Manor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Crystal Manor, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Crystal Manor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Crystal Manor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Crystal Manor, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Crystal Manor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Crystal Manor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Crystal Manor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Crystal Manor, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Crystal Manor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Crystal Manor, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Crystal Manor, 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 Crystal Manor, 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 Crystal Manor, 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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