Weather in Marine, IL
Marine, Saturday, 17 October, 06:34
Clear. Feels like 36°. High 58°, low 40°.
Monthly outlook for Marine, IL: average high 69.2°, average low 48.3°. That is 3.4° above the climate normal for October. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (78.4°), the coolest 27 October (36.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 70.2° | 64.1° | +3.4° |
| 27 October – 5 November | 67.5° | 60.2° | +4° |
| 6 November – 15 November | at normal | 55.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (11 mi).
0
Marine, Sunday, 18 October
Clear. High 63°, low 41°.
0
Marine, Monday, 19 October
Partly cloudy. High 67°, low 42°.
0
Marine, Tuesday, 20 October
Light rain. High 69°, low 46°.
0
Marine, Wednesday, 21 October
Overcast. High 71°, low 48°.
0Marine, Thursday, 22 October
Clear. High 74°, low 50°.
0Marine, Friday, 23 October
Overcast. High 78°, low 55°.
0Marine, Saturday, 24 October
Overcast. High 76°, low 56°.
0Marine, Sunday, 25 October
Overcast. High 78°, low 60°.
0.02Marine, Monday, 26 October
Light rain. High 70°, low 43°.
0Marine, Tuesday, 27 October
Overcast. High 59°, low 37°.
0.27Marine, Wednesday, 28 October
Rain. High 68°, low 45°.
0Marine, Thursday, 29 October
Clear. High 68°, low 53°.
0Marine, Friday, 30 October
Partly cloudy. High 71°, low 47°.
0.93Marine, Saturday, 31 October
Heavy rain. High 74°, low 60°.
0.01Marine, Sunday, 1 November
Light rain. High 65°, low 50°.
0.08Marine, Monday, 2 November
Climate normal for this date — 60-year average.
0.11Marine, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.16Marine, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.16Marine, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09
Marine, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Marine, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04
Marine, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Marine, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Marine, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Marine, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Marine, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Marine, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Marine, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Marine, Sunday, 15 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 Marine, 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 Marine, 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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