Weather in Old Monroe, MO
Old Monroe, Thursday, 29 October, 22:36
Mostly clear. Feels like 65°. High 80°, low 58°.
Monthly outlook for Old Monroe, MO: average high 63.9°, average low 52.4°. That is 3.3° above the climate normal for October. Precipitation is expected on 6 days (about 2.6 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 29 October (79.8°), the coolest 11 November (40.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 69.3° | 59.5° | +5.4° |
| 8 November – 17 November | 54.8° | 54.9° | -0° |
| 18 November – 27 November | at normal | 51.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (11 mi).
0
Old Monroe, Friday, 30 October
Overcast. High 78°, low 59°.
0Old Monroe, Saturday, 31 October
Overcast. High 72°, low 60°.
0.03
Old Monroe, Sunday, 1 November
Light rain. High 70°, low 59°.
0Old Monroe, Monday, 2 November
Overcast. High 70°, low 59°.
1.12Old Monroe, Tuesday, 3 November
Rain. High 68°, low 65°.
0.89Old Monroe, Wednesday, 4 November
Heavy rain. High 65°, low 55°.
0.07Old Monroe, Thursday, 5 November
Light rain. High 61°, low 56°.
0
Old Monroe, Friday, 6 November
Partly cloudy. High 65°, low 47°.
0Old Monroe, Saturday, 7 November
Partly cloudy. High 65°, low 47°.
0.1Old Monroe, Sunday, 8 November
Light rain. High 56°, low 51°.
0.01Old Monroe, Monday, 9 November
Light rain. High 54°, low 48°.
0.01Old Monroe, Tuesday, 10 November
Light rain. High 49°, low 46°.
0Old Monroe, Wednesday, 11 November
Overcast. High 55°, low 40°.
0.32Old Monroe, Thursday, 12 November
Light rain. High 54°, low 46°.
0
Old Monroe, Friday, 13 November
Clear. High 61°, low 43°.
0.07Old Monroe, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Old Monroe, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Old Monroe, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Old Monroe, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Old Monroe, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Old Monroe, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13
Old Monroe, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Old Monroe, Thursday, 26 November
Climate normal for this date — 60-year average.
0.2Old Monroe, Friday, 27 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 Old Monroe, 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 Old Monroe, 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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