Weather in Deer Park, IL
Deer Park, Sunday, 1 November, 11:14
Light rain. Feels like 59°. High 62°, low 51°.
Monthly outlook for Deer Park, IL: average high 59.2°, average low 47.8°. That is 5.8° above the climate normal for November. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 16 November (72.4°), the coolest 9 November (36.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 58.3° | 50.6° | +4.2° |
| 11 November – 20 November | 60.8° | 45.6° | +8.4° |
| 21 November – 30 November | at normal | 41.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Highwood (14 mi).
0.07Deer Park, Monday, 2 November
Light rain. High 65°, low 54°.
0.44Deer Park, Tuesday, 3 November
Rain. High 69°, low 61°.
0.22Deer Park, Wednesday, 4 November
Rain. High 63°, low 53°.
0.08Deer Park, Thursday, 5 November
Light rain. High 53°, low 50°.
0.06Deer Park, Friday, 6 November
Light rain. High 51°, low 48°.
0
Deer Park, Saturday, 7 November
Overcast. High 58°, low 47°.
0
Deer Park, Sunday, 8 November
Clear. High 53°, low 41°.
0Deer Park, Monday, 9 November
Overcast. High 54°, low 37°.
0Deer Park, Tuesday, 10 November
Overcast. High 55°, low 39°.
0Deer Park, Wednesday, 11 November
Overcast. High 60°, low 47°.
0Deer Park, Thursday, 12 November
Overcast. High 49°, low 38°.
0
Deer Park, Friday, 13 November
Partly cloudy. High 57°, low 40°.
0.05Deer Park, Saturday, 14 November
Light rain. High 63°, low 49°.
0.01Deer Park, Sunday, 15 November
Light rain. High 64°, low 53°.
0Deer Park, Monday, 16 November
Clear. High 72°, low 56°.
0.09Deer Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Deer Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
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.
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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