Weather in Mount Saint John, OH
Mount Saint John, Friday, 30 October, 17:30
Mostly clear. Feels like 67°. High 69°, low 47°.
Monthly outlook for Mount Saint John, OH: average high 68.8°, average low 54.8°. That is 7.8° above the climate normal for October. Precipitation is expected on 6 days (about 1.8 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 November (72.5°), the coolest 30 October (46.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 69.2° | 56.5° | +7° |
| 9 November – 18 November | 68.2° | 51.1° | +9.5° |
| 19 November – 28 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dayton (7 mi).
0
Mount Saint John, Saturday, 31 October
Overcast. High 68°, low 48°.
0Mount Saint John, Sunday, 1 November
Overcast. High 65°, low 53°.
0Mount Saint John, Monday, 2 November
Overcast. High 70°, low 55°.
0Mount Saint John, Tuesday, 3 November
Overcast. High 71°, low 53°.
0.19
Mount Saint John, Wednesday, 4 November
Light rain. High 71°, low 61°.
0.18Mount Saint John, Thursday, 5 November
Rain. High 68°, low 56°.
0Mount Saint John, Friday, 6 November
Mostly clear. High 69°, low 52°.
0Mount Saint John, Saturday, 7 November
Overcast. High 70°, low 57°.
0Mount Saint John, Sunday, 8 November
Overcast. High 72°, low 58°.
0Mount Saint John, Monday, 9 November
Overcast. High 70°, low 56°.
0.31Mount Saint John, Tuesday, 10 November
Rain. High 72°, low 58°.
0.58Mount Saint John, Wednesday, 11 November
Rain. High 67°, low 57°.
0.02Mount Saint John, Thursday, 12 November
Light rain. High 71°, low 56°.
0.45Mount Saint John, Friday, 13 November
Rain. High 69°, low 61°.
0.06Mount Saint John, Saturday, 14 November
Light rain. High 60°, low 50°.
0.13
Mount Saint John, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09
Mount Saint John, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Mount Saint John, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Mount Saint John, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Mount Saint John, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Mount Saint John, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Mount Saint John, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Mount Saint John, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Mount Saint John, Monday, 23 November
Climate normal for this date — 60-year average.
0.14Mount Saint John, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.19Mount Saint John, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Mount Saint John, Thursday, 26 November
Climate normal for this date — 60-year average.
0.18Mount Saint John, Friday, 27 November
Climate normal for this date — 60-year average.
0.2Mount Saint John, Saturday, 28 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 Mount Saint John, 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 Mount Saint John, 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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