Weather in Deer Park, IL
Deer Park, Tuesday, 3 November, 02:16
Overcast. Feels like 62°. High 69°, low 61°.
Monthly outlook for Deer Park, IL: average high 56.7°, average low 47°. That is 4.9° above the climate normal for November. Precipitation is expected on 5 days (about 0.7 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 3 November (69.3°), the coolest 13 November (40°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 3 November – 12 November | 56.2° | 49.3° | +3.8° |
| 13 November – 22 November | 57.7° | 45.1° | +7° |
| 23 November – 2 December | at normal | 41° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Highwood (14 mi).
0.23
Deer Park, Wednesday, 4 November
Rain. High 63°, low 54°.
0.07Deer Park, Thursday, 5 November
Light rain. High 54°, low 49°.
0.09Deer Park, Friday, 6 November
Light rain. High 51°, low 45°.
0Deer Park, Saturday, 7 November
Overcast. High 49°, low 41°.
0
Deer Park, Sunday, 8 November
Clear. High 55°, low 43°.
0
Deer Park, Monday, 9 November
Partly cloudy. High 60°, low 44°.
0Deer Park, Tuesday, 10 November
Clear. High 61°, low 48°.
0Deer Park, Wednesday, 11 November
Overcast. High 50°, low 43°.
0Deer Park, Thursday, 12 November
Overcast. High 50°, low 40°.
0Deer Park, Friday, 13 November
Clear. High 56°, low 40°.
0.07Deer Park, Saturday, 14 November
Light rain. High 48°, low 45°.
0Deer Park, Sunday, 15 November
Overcast. High 60°, low 46°.
0Deer Park, Monday, 16 November
Clear. High 64°, low 50°.
0Deer Park, Tuesday, 17 November
Overcast. High 61°, low 49°.
0.01Deer Park, Wednesday, 18 November
Light rain. High 56°, low 53°.
0.07Deer Park, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Deer Park, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Deer Park, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04
Deer Park, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Deer Park, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Deer Park, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09
Deer Park, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Deer Park, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Deer Park, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Deer Park, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Deer Park, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Deer Park, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Deer Park, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Deer Park, Wednesday, 2 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 Deer Park, 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 Deer Park, 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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