Weather in Lockport Heights, IL
Lockport Heights, Sunday, 9 August, 12:54
Partly cloudy. Feels like 95°. High 87°, low 63°.
Monthly outlook for Lockport Heights, IL: average high 79.5°, average low 63.8°. That is 0.2° below the climate normal for August. Precipitation is expected on 9 days (about 2.9 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 10 August (92.3°), the coolest 18 August (59.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.5° | 80° | +0.3° |
| 19 August – 28 August | 77.8° | 80° | -1.2° |
| 29 August – 7 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Orland Hills (10 mi).
0.35
Lockport Heights, Monday, 10 August
Rain. High 92°, low 73°.
0.81Lockport Heights, Tuesday, 11 August
Heavy rain. High 88°, low 66°.
0.05Lockport Heights, Wednesday, 12 August
Light rain. High 84°, low 67°.
0.26Lockport Heights, Thursday, 13 August
Light rain. High 74°, low 64°.
0.02Lockport Heights, Friday, 14 August
Light rain. High 75°, low 63°.
0.04Lockport Heights, Saturday, 15 August
Light rain. High 74°, low 63°.
0.22Lockport Heights, Sunday, 16 August
Rain. High 77°, low 65°.
0.01Lockport Heights, Monday, 17 August
Light rain. High 75°, low 64°.
0
Lockport Heights, Tuesday, 18 August
Overcast. High 79°, low 59°.
0.02Lockport Heights, Wednesday, 19 August
Light rain. High 77°, low 66°.
0.26Lockport Heights, Thursday, 20 August
Rain. High 72°, low 63°.
0.64Lockport Heights, Friday, 21 August
Heavy rain. High 82°, low 61°.
0.03Lockport Heights, Saturday, 22 August
Light rain. High 81°, low 65°.
0
Lockport Heights, Sunday, 23 August
Clear. High 76°, low 59°.
0Lockport Heights, Monday, 24 August
Clear. High 79°, low 61°.
0.09Lockport Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Lockport Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Lockport Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Lockport Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Lockport Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Lockport Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Lockport Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Lockport Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Lockport Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Lockport Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Lockport Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Lockport Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Lockport Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Lockport 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 Lockport 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 Lockport 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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