Weather in Colvin Park, IL
Colvin Park, Tuesday, 27 October, 11:59
Overcast. Feels like 60°. High 65°, low 50°.
Monthly outlook for Colvin Park, IL: average high 56.7°, average low 46.1°. That is 2.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 28 October (71.7°), the coolest 11 November (26.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 61.3° | 54.2° | +3.9° |
| 6 November – 15 November | 49.1° | 48.5° | +0.3° |
| 16 November – 25 November | at normal | 44.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sycamore (11 mi).
0
Colvin Park, Wednesday, 28 October
Clear. High 72°, low 55°.
0.03
Colvin Park, Thursday, 29 October
Light rain. High 65°, low 49°.
0.01Colvin Park, Friday, 30 October
Light rain. High 63°, low 42°.
0.69Colvin Park, Saturday, 31 October
Rain. High 62°, low 52°.
0Colvin Park, Sunday, 1 November
Overcast. High 68°, low 51°.
0Colvin Park, Monday, 2 November
Overcast. High 58°, low 55°.
0Colvin Park, Tuesday, 3 November
Overcast. High 56°, low 53°.
0.3Colvin Park, Wednesday, 4 November
Rain. High 52°, low 50°.
0.39Colvin Park, Thursday, 5 November
Rain. High 52°, low 51°.
0Colvin Park, Friday, 6 November
Overcast. High 50°, low 43°.
0
Colvin Park, Saturday, 7 November
Partly cloudy. High 53°, low 39°.
0Colvin Park, Sunday, 8 November
Overcast. High 56°, low 40°.
0.22Colvin Park, Monday, 9 November
Rain. High 51°, low 46°.
0Colvin Park, Tuesday, 10 November
Overcast. High 44°, low 36°.
0Colvin Park, Wednesday, 11 November
Overcast. High 40°, low 27°.
0.06Colvin Park, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Colvin Park, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Colvin Park, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Colvin Park, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05
Colvin Park, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Colvin Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Colvin Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Colvin Park, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08
Colvin Park, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Colvin Park, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Colvin Park, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Colvin Park, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Colvin Park, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08Colvin Park, Wednesday, 25 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 Colvin 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 Colvin 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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