Weather in Old Monroe, MO
Old Monroe, Saturday, 31 October, 09:40
Overcast. Feels like 60°. High 69°, low 58°.
Monthly outlook for Old Monroe, MO: average high 63.4°, average low 50.5°. That is 3.6° above the climate normal for October. Precipitation is expected on 2 days (about 2.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 31 October (69.2°), the coolest 13 November (40.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 63.9° | 58.7° | +2.9° |
| 10 November – 19 November | 62.4° | 54° | +4.6° |
| 20 November – 29 November | at normal | 49.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (11 mi).
0Old Monroe, Sunday, 1 November
Overcast. High 69°, low 59°.
0Old Monroe, Monday, 2 November
Overcast. High 68°, low 58°.
1.86
Old Monroe, Tuesday, 3 November
Heavy rain. High 69°, low 65°.
0.17Old Monroe, Wednesday, 4 November
Light rain. High 63°, low 55°.
0Old Monroe, Thursday, 5 November
Overcast. High 61°, low 50°.
0Old Monroe, Friday, 6 November
Overcast. High 61°, low 53°.
0Old Monroe, Saturday, 7 November
Overcast. High 59°, low 45°.
0Old Monroe, Sunday, 8 November
Overcast. High 61°, low 48°.
0Old Monroe, Monday, 9 November
Overcast. High 60°, low 46°.
0
Old Monroe, Tuesday, 10 November
Clear. High 64°, low 45°.
0
Old Monroe, Wednesday, 11 November
Partly cloudy. High 62°, low 48°.
0Old Monroe, Thursday, 12 November
Overcast. High 59°, low 45°.
0
Old Monroe, Friday, 13 November
Mostly clear. High 62°, low 40°.
0Old Monroe, Saturday, 14 November
Clear. High 68°, low 46°.
0Old Monroe, Sunday, 15 November
Overcast. High 59°, low 46°.
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.
0.08Old Monroe, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Old Monroe, Sunday, 29 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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