Weather in Colvin Park, IL
Colvin Park, Friday, 30 October, 19:10
Overcast. Feels like 52°. High 56°, low 42°.
Monthly outlook for Colvin Park, IL: average high 62.9°, average low 51.9°. That is 6.7° above the climate normal for October. Precipitation is expected on 7 days (about 2.5 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 3 November (68°), the coolest 30 October (42.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 63.4° | 52.9° | +5.8° |
| 9 November – 18 November | 62.1° | 47.2° | +8.2° |
| 19 November – 28 November | at normal | 43° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sycamore (11 mi).
0.52
Colvin Park, Saturday, 31 October
Heavy rain. High 60°, low 50°.
0Colvin Park, Sunday, 1 November
Overcast. High 62°, low 52°.
0Colvin Park, Monday, 2 November
Light rain. High 60°, low 51°.
0.07Colvin Park, Tuesday, 3 November
Light rain. High 68°, low 59°.
0.59Colvin Park, Wednesday, 4 November
Rain. High 65°, low 57°.
0Colvin Park, Thursday, 5 November
Overcast. High 64°, low 52°.
0Colvin Park, Friday, 6 November
Overcast. High 66°, low 51°.
0Colvin Park, Saturday, 7 November
Overcast. High 66°, low 52°.
0Colvin Park, Sunday, 8 November
Overcast. High 67°, low 54°.
0Colvin Park, Monday, 9 November
Overcast. High 67°, low 54°.
0.71Colvin Park, Tuesday, 10 November
Heavy rain. High 59°, low 55°.
0Colvin Park, Wednesday, 11 November
Overcast. High 62°, low 53°.
0.14Colvin Park, Thursday, 12 November
Rain. High 66°, low 52°.
0.36Colvin Park, Friday, 13 November
Light rain. High 67°, low 52°.
0.11Colvin Park, Saturday, 14 November
Light rain. High 51°, low 44°.
0.08
Colvin 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.
0.11Colvin Park, Thursday, 26 November
Climate normal for this date — 60-year average.
0.19Colvin Park, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Colvin Park, Saturday, 28 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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