Weather in Old Monroe, MO
Old Monroe, Saturday, 17 October, 08:38
Clear. Feels like 40°. High 56°, low 42°.
Monthly outlook for Old Monroe, MO: average high 71°, average low 52.4°. That is 4.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 27 October (79.8°), the coolest 18 October (41.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 70.6° | 64.3° | +3.5° |
| 27 October – 5 November | 71.8° | 60.3° | +6.4° |
| 6 November – 15 November | at normal | 55.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — O'Fallon (11 mi).
0Old Monroe, Sunday, 18 October
Clear. High 63°, low 41°.
0Old Monroe, Monday, 19 October
Clear. High 66°, low 44°.
0
Old Monroe, Tuesday, 20 October
Light rain. High 68°, low 48°.
0
Old Monroe, Wednesday, 21 October
Mostly clear. High 71°, low 48°.
0Old Monroe, Thursday, 22 October
Clear. High 72°, low 50°.
0
Old Monroe, Friday, 23 October
Overcast. High 78°, low 55°.
0Old Monroe, Saturday, 24 October
Overcast. High 79°, low 60°.
0.01Old Monroe, Sunday, 25 October
Light rain. High 75°, low 62°.
0Old Monroe, Monday, 26 October
Clear. High 77°, low 54°.
0Old Monroe, Tuesday, 27 October
Overcast. High 80°, low 63°.
0.52Old Monroe, Wednesday, 28 October
Rain. High 67°, low 61°.
0.09Old Monroe, Thursday, 29 October
Light rain. High 67°, low 53°.
0.26Old Monroe, Friday, 30 October
Rain. High 78°, low 63°.
0.14Old Monroe, Saturday, 31 October
Light rain. High 73°, low 50°.
0Old Monroe, Sunday, 1 November
Clear. High 65°, low 45°.
0.09
Old Monroe, Monday, 2 November
Climate normal for this date — 60-year average.
0.12
Old Monroe, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.15Old Monroe, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17Old Monroe, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Old Monroe, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Old Monroe, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Old Monroe, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Old Monroe, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Old Monroe, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Old Monroe, Friday, 13 November
Climate normal for this date — 60-year average.
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.
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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