Weather in Saint Charles, OH
Saint Charles, Thursday, 22 October, 23:50
Clear. Feels like 48°. High 70°, low 41°.
Monthly outlook for Saint Charles, OH: average high 65.8°, average low 49.3°. That is 3.4° above the climate normal for October. Precipitation is expected on 5 days (about 2.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 29 October (73°), the coolest 22 October (40.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 68.8° | 60.9° | +4.4° |
| 1 November – 10 November | 60.7° | 56.8° | +2.1° |
| 11 November – 20 November | at normal | 51.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Northbrook (13 mi).
0
Saint Charles, Friday, 23 October
Clear. High 70°, low 43°.
0
Saint Charles, Saturday, 24 October
Partly cloudy. High 70°, low 42°.
0Saint Charles, Sunday, 25 October
Clear. High 70°, low 45°.
0
Saint Charles, Monday, 26 October
Overcast. High 70°, low 47°.
0Saint Charles, Tuesday, 27 October
Overcast. High 67°, low 49°.
0Saint Charles, Wednesday, 28 October
Partly cloudy. High 71°, low 51°.
0Saint Charles, Thursday, 29 October
Overcast. High 73°, low 52°.
0Saint Charles, Friday, 30 October
Overcast. High 64°, low 56°.
0.2
Saint Charles, Saturday, 31 October
Light rain. High 63°, low 57°.
0.98Saint Charles, Sunday, 1 November
Rain. High 68°, low 61°.
0.79Saint Charles, Monday, 2 November
Rain. High 62°, low 60°.
0.05Saint Charles, Tuesday, 3 November
Light rain. High 65°, low 54°.
0.06Saint Charles, Wednesday, 4 November
Light rain. High 53°, low 48°.
0
Saint Charles, Thursday, 5 November
Mostly clear. High 54°, low 41°.
0Saint Charles, Friday, 6 November
Clear. High 62°, low 43°.
0.11Saint Charles, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Saint Charles, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Saint Charles, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Saint Charles, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Saint Charles, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.11Saint Charles, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Saint Charles, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Saint Charles, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Saint Charles, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Saint Charles, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Saint Charles, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Saint Charles, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Saint Charles, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Saint Charles, Friday, 20 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 Saint Charles, OH 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 Saint Charles, OH 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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