Weather in Saint John, MO
Saint John, Saturday, 10 October, 06:09
Clear. Feels like 56°. High 89°, low 58°.
Monthly outlook for Saint John, MO: average high 71.6°, average low 50.9°. That is 2.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 13 October (93.4°), the coolest 18 October (28.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 75° | 67.6° | +4.1° |
| 20 October – 29 October | 65.9° | 64.2° | +0.9° |
| 30 October – 8 November | at normal | 59.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Richland (2 mi).
0
Saint John, Sunday, 11 October
Clear. High 91°, low 58°.
0Saint John, Monday, 12 October
Clear. High 92°, low 71°.
0Saint John, Tuesday, 13 October
Clear. High 93°, low 73°.
0.53
Saint John, Wednesday, 14 October
Rain. High 81°, low 71°.
0.56Saint John, Thursday, 15 October
Rain. High 77°, low 61°.
0
Saint John, Friday, 16 October
Partly cloudy. High 69°, low 52°.
0Saint John, Saturday, 17 October
Partly cloudy. High 47°, low 37°.
0Saint John, Sunday, 18 October
Clear. High 51°, low 29°.
0Saint John, Monday, 19 October
Clear. High 60°, low 33°.
0
Saint John, Tuesday, 20 October
Overcast. High 64°, low 39°.
0Saint John, Wednesday, 21 October
Partly cloudy. High 69°, low 42°.
0.04Saint John, Thursday, 22 October
Light rain. High 72°, low 49°.
0.02Saint John, Friday, 23 October
Light rain. High 67°, low 51°.
0.44Saint John, Saturday, 24 October
Rain. High 62°, low 51°.
0Saint John, Sunday, 25 October
Overcast. High 61°, low 41°.
0.1Saint John, Monday, 26 October
Climate normal for this date — 60-year average.
0.11Saint John, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Saint John, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Saint John, Thursday, 29 October
Climate normal for this date — 60-year average.
0.14Saint John, Friday, 30 October
Climate normal for this date — 60-year average.
0.18
Saint John, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Saint John, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Saint John, Monday, 2 November
Climate normal for this date — 60-year average.
0.14Saint John, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.15Saint John, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.2Saint John, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Saint John, Friday, 6 November
Climate normal for this date — 60-year average.
0.07
Saint John, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Saint John, Sunday, 8 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 John, MO 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 John, MO 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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