Weather in Hazel Crest, IL
Hazel Crest, Sunday, 9 August, 05:29
Clear. Feels like 64°. High 85°, low 64°.
Monthly outlook for Hazel Crest, IL: average high 84.3°, average low 67.8°. That is 2.5° above the climate normal for August. Precipitation is expected on 7 days (about 1.7 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 23 August (95.1°), the coolest 14 August (61°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.1° | 79.9° | +0.7° |
| 19 August – 28 August | 89.6° | 79.9° | +5.4° |
| 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 (6 mi).
0.41
Hazel Crest, Monday, 10 August
Rain. High 90°, low 71°.
0.43Hazel Crest, Tuesday, 11 August
Rain. High 82°, low 69°.
0.02Hazel Crest, Wednesday, 12 August
Light rain. High 84°, low 70°.
0.01Hazel Crest, Thursday, 13 August
Light rain. High 75°, low 66°.
0
Hazel Crest, Friday, 14 August
Overcast. High 75°, low 61°.
0.04Hazel Crest, Saturday, 15 August
Light rain. High 78°, low 62°.
0.04Hazel Crest, Sunday, 16 August
Light rain. High 79°, low 64°.
0.02Hazel Crest, Monday, 17 August
Light rain. High 83°, low 66°.
0
Hazel Crest, Tuesday, 18 August
Partly cloudy. High 81°, low 66°.
0.06Hazel Crest, Wednesday, 19 August
Light rain. High 87°, low 68°.
0Hazel Crest, Thursday, 20 August
Overcast. High 90°, low 74°.
0
Hazel Crest, Friday, 21 August
Clear. High 87°, low 74°.
0Hazel Crest, Saturday, 22 August
Clear. High 94°, low 70°.
0Hazel Crest, Sunday, 23 August
Overcast. High 95°, low 71°.
0.45Hazel Crest, Monday, 24 August
Rain. High 85°, low 70°.
0.07Hazel Crest, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.17
Hazel Crest, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Hazel Crest, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Hazel Crest, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Hazel Crest, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Hazel Crest, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Hazel Crest, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Hazel Crest, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Hazel Crest, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Hazel Crest, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Hazel Crest, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Hazel Crest, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Hazel Crest, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Hazel 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 Hazel 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 Hazel 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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