Weather in Long Grove, IL
Long Grove, Saturday, 14 November, 17:06
Mostly clear. Feels like 39°. High 45°, low 30°.
Monthly outlook for Long Grove, IL: average high 49.2°, average low 39°. That is 3.1° above the climate normal for November. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 19 November (58.2°), the coolest 14 November (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 50.8° | 44.9° | +3.2° |
| 24 November – 3 December | 46.6° | 40.5° | +3.4° |
| 4 December – 13 December | at normal | 36.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Highwood (10 mi).
0
Long Grove, Sunday, 15 November
Clear. High 50°, low 31°.
0Long Grove, Monday, 16 November
Clear. High 49°, low 32°.
0Long Grove, Tuesday, 17 November
Clear. High 52°, low 35°.
0
Long Grove, Wednesday, 18 November
Overcast. High 54°, low 38°.
0.04
Long Grove, Thursday, 19 November
Light rain. High 58°, low 47°.
0Long Grove, Friday, 20 November
Overcast. High 56°, low 48°.
0.07Long Grove, Saturday, 21 November
Light rain. High 57°, low 50°.
0Long Grove, Sunday, 22 November
Overcast. High 46°, low 37°.
0
Long Grove, Monday, 23 November
Mostly clear. High 40°, low 30°.
0Long Grove, Tuesday, 24 November
Overcast. High 41°, low 34°.
0.16
Long Grove, Wednesday, 25 November
Snow. High 40°, low 37°.
0Long Grove, Thursday, 26 November
Overcast. High 47°, low 42°.
0Long Grove, Friday, 27 November
Overcast. High 48°, low 41°.
0.51Long Grove, Saturday, 28 November
Rain. High 47°, low 44°.
0.03Long Grove, Sunday, 29 November
Light rain. High 57°, low 47°.
0.07
Long Grove, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Long Grove, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Long Grove, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Long Grove, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Long Grove, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Long Grove, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Long Grove, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Long Grove, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Long Grove, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Long Grove, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Long Grove, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Long Grove, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Long Grove, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Long Grove, Sunday, 13 December
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 Long 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 Long 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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