Weather in Green River, IL
Green River, Monday, 12 October, 21:56
Clear. Feels like 79°. High 88°, low 65°.
Monthly outlook for Green River, IL: average high 65.2°, average low 51.9°. That is 2.7° above the climate normal for October. Precipitation is expected on 8 days (about 2.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 12 October (87.7°), the coolest 17 October (40.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 67° | 61.6° | +3° |
| 22 October – 31 October | 62.1° | 57.6° | +2.5° |
| 1 November – 10 November | at normal | 52.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Panorama Park (9 mi).
0.18
Green River, Tuesday, 13 October
Rain. High 81°, low 66°.
0.28Green River, Wednesday, 14 October
Rain. High 73°, low 61°.
1.58Green River, Thursday, 15 October
Heavy rain. High 63°, low 57°.
0.01Green River, Friday, 16 October
Light rain. High 57°, low 47°.
0
Green River, Saturday, 17 October
Clear. High 59°, low 41°.
0
Green River, Sunday, 18 October
Overcast. High 63°, low 47°.
0.1Green River, Monday, 19 October
Light rain. High 57°, low 47°.
0.13Green River, Tuesday, 20 October
Light rain. High 61°, low 51°.
0.05Green River, Wednesday, 21 October
Light rain. High 69°, low 59°.
0.1Green River, Thursday, 22 October
Light rain. High 74°, low 62°.
0.29Green River, Friday, 23 October
Light rain. High 67°, low 52°.
0
Green River, Saturday, 24 October
Partly cloudy. High 59°, low 47°.
0.01Green River, Sunday, 25 October
Light rain. High 54°, low 41°.
0
Green River, Monday, 26 October
Mostly clear. High 57°, low 42°.
0.02Green River, Tuesday, 27 October
Light rain. High 62°, low 45°.
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.
0.11Green River, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Green River, Tuesday, 10 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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