Weather in Marine, IL
Marine, Saturday, 17 October, 03:05
Clear. Feels like 46°. High 58°, low 43°.
Monthly outlook for Marine, IL: average high 68.6°, average low 49.6°. That is 3° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 27 October (78.6°), the coolest 18 October (41.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 70.3° | 64.1° | +3.5° |
| 27 October – 5 November | 65.8° | 60.2° | +3.1° |
| 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 68°, low 43°.
0Marine, Tuesday, 20 October
Clear. High 70°, low 45°.
0
Marine, Wednesday, 21 October
Overcast. High 72°, low 47°.
0Marine, Thursday, 22 October
Partly cloudy. High 75°, low 52°.
0Marine, Friday, 23 October
Overcast. High 78°, low 55°.
0Marine, Saturday, 24 October
Overcast. High 78°, low 55°.
0Marine, Sunday, 25 October
Overcast. High 70°, low 57°.
0Marine, Monday, 26 October
Overcast. High 73°, low 54°.
0.01
Marine, Tuesday, 27 October
Light rain. High 79°, low 57°.
0.07Marine, Wednesday, 28 October
Light rain. High 65°, low 54°.
0.87Marine, Thursday, 29 October
Rain. High 60°, low 49°.
0.01Marine, Friday, 30 October
Light rain. High 71°, low 52°.
0
Marine, Saturday, 31 October
Mostly clear. High 59°, low 47°.
0Marine, Sunday, 1 November
Clear. High 61°, low 43°.
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.
0.04Marine, 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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