Weather in Sunny Crest, IL
Sunny Crest, Sunday, 9 August, 00:13
Clear. Feels like 66°. High 88°, low 64°.
Monthly outlook for Sunny Crest, IL: average high 79.2°, average low 64°. That is 0.3° below the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 9 August (87.6°), the coolest 21 August (56°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.4° | 79.9° | +0.3° |
| 19 August – 28 August | 77.2° | 79.9° | -1.5° |
| 29 August – 7 September | at normal | 78.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Blue Island (8 mi).
0.25
Sunny Crest, Monday, 10 August
Rain. High 87°, low 72°.
0.1Sunny Crest, Tuesday, 11 August
Rain. High 82°, low 71°.
0.01Sunny Crest, Wednesday, 12 August
Light rain. High 85°, low 69°.
0
Sunny Crest, Thursday, 13 August
Overcast. High 76°, low 64°.
0
Sunny Crest, Friday, 14 August
Clear. High 80°, low 61°.
0.01Sunny Crest, Saturday, 15 August
Light rain. High 68°, low 62°.
0Sunny Crest, Sunday, 16 August
Overcast. High 76°, low 64°.
0Sunny Crest, Monday, 17 August
Overcast. High 81°, low 64°.
0Sunny Crest, Tuesday, 18 August
Overcast. High 83°, low 66°.
0.05Sunny Crest, Wednesday, 19 August
Light rain. High 77°, low 66°.
0.01Sunny Crest, Thursday, 20 August
Light rain. High 69°, low 58°.
0
Sunny Crest, Friday, 21 August
Mostly clear. High 77°, low 56°.
0.01Sunny Crest, Saturday, 22 August
Light rain. High 73°, low 57°.
0Sunny Crest, Sunday, 23 August
Clear. High 84°, low 65°.
0
Sunny Crest, Monday, 24 August
Partly cloudy. High 84°, low 64°.
0.07Sunny Crest, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.17
Sunny Crest, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Sunny Crest, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Sunny Crest, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Sunny Crest, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Sunny Crest, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Sunny Crest, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Sunny Crest, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Sunny Crest, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Sunny Crest, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Sunny Crest, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Sunny Crest, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Sunny Crest, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Sunny Crest, 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 Sunny Crest, 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 Sunny Crest, 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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