Weather in Green River, IL
Green River, Saturday, 10 October, 17:36
Overcast. Feels like 82°. High 82°, low 59°.
Monthly outlook for Green River, IL: average high 62.9°, average low 47.4°. That is 0.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 12 October (83°), the coolest 18 October (25.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 64.3° | 62.2° | +1.1° |
| 20 October – 29 October | 60.5° | 58.4° | +1.2° |
| 30 October – 8 November | at normal | 53.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Panorama Park (9 mi).
0
Green River, Sunday, 11 October
Clear. High 81°, low 55°.
0Green River, Monday, 12 October
Clear. High 83°, low 65°.
0Green River, Tuesday, 13 October
Clear. High 78°, low 67°.
0.37
Green River, Wednesday, 14 October
Rain. High 70°, low 61°.
0.79Green River, Thursday, 15 October
Rain. High 58°, low 55°.
0
Green River, Friday, 16 October
Mostly clear. High 55°, low 37°.
0Green River, Saturday, 17 October
Overcast. High 39°, low 33°.
0Green River, Sunday, 18 October
Clear. High 44°, low 25°.
0Green River, Monday, 19 October
Overcast. High 52°, low 32°.
0Green River, Tuesday, 20 October
Clear. High 61°, low 39°.
0Green River, Wednesday, 21 October
Clear. High 67°, low 44°.
0.15Green River, Thursday, 22 October
Rain. High 68°, low 50°.
0.01Green River, Friday, 23 October
Light rain. High 50°, low 45°.
0Green River, Saturday, 24 October
Overcast. High 56°, low 45°.
0Green River, Sunday, 25 October
Overcast. High 62°, low 45°.
0.12
Green River, Monday, 26 October
Climate normal for this date — 60-year average.
0.07Green River, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Green River, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Green River, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11
Green River, Friday, 30 October
Climate normal for this date — 60-year average.
0.14Green River, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Green River, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Green River, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Green River, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Green River, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Green River, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Green River, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Green River, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Green River, Sunday, 8 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 Green River, 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 Green River, 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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