Weather in Morton Grove, IL
Morton Grove, Sunday, 9 August, 05:38
Clear. Feels like 65°. High 83°, low 64°.
Monthly outlook for Morton Grove, IL: average high 83°, average low 69.1°. That is 2.4° above the climate normal for August. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 22 August (96.1°), the coolest 9 August (63.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.5° | 78.8° | +0.9° |
| 19 August – 28 August | 87° | 78.8° | +4.6° |
| 29 August – 7 September | at normal | 77° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Skokie (3 mi).
0.98
Morton Grove, Monday, 10 August
Heavy rain. High 89°, low 71°.
0.13Morton Grove, Tuesday, 11 August
Rain. High 84°, low 69°.
0.04Morton Grove, Wednesday, 12 August
Light rain. High 84°, low 70°.
0
Morton Grove, Thursday, 13 August
Overcast. High 74°, low 68°.
0
Morton Grove, Friday, 14 August
Mostly clear. High 75°, low 65°.
0Morton Grove, Saturday, 15 August
Overcast. High 78°, low 66°.
0.02Morton Grove, Sunday, 16 August
Light rain. High 78°, low 68°.
0.01Morton Grove, Monday, 17 August
Light rain. High 80°, low 67°.
0Morton Grove, Tuesday, 18 August
Overcast. High 81°, low 68°.
0.19Morton Grove, Wednesday, 19 August
Light rain. High 88°, low 69°.
0Morton Grove, Thursday, 20 August
Overcast. High 89°, low 77°.
0
Morton Grove, Friday, 21 August
Clear. High 82°, low 72°.
0Morton Grove, Saturday, 22 August
Clear. High 96°, low 71°.
0Morton Grove, Sunday, 23 August
Overcast. High 90°, low 72°.
0.02Morton Grove, Monday, 24 August
Light rain. High 77°, low 70°.
0.07
Morton Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Morton Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Morton Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13Morton Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Morton Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13Morton Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Morton Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Morton Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.05Morton Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Morton Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Morton Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Morton Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Morton Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Morton Grove, 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 Morton Grove, 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 Morton Grove, 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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