Weather in Marietta, IA
Marietta, Wednesday, 28 October, 23:49
Overcast. Feels like 63°. High 75°, low 53°.
Monthly outlook for Marietta, IA: average high 58°, average low 46.7°. That is 3.2° above the climate normal for October. Precipitation is expected on 8 days (about 4.6 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (74.7°), the coolest 12 November (34.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 63.3° | 53.9° | +5.2° |
| 7 November – 16 November | 49° | 48.5° | +0.3° |
| 17 November – 26 November | at normal | 44.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ferguson (12 mi).
0.01
Marietta, Thursday, 29 October
Light rain. High 68°, low 49°.
0.77Marietta, Friday, 30 October
Heavy rain. High 53°, low 47°.
0.11Marietta, Saturday, 31 October
Rain. High 68°, low 51°.
0Marietta, Sunday, 1 November
Overcast. High 66°, low 51°.
1.49Marietta, Monday, 2 November
Heavy rain. High 66°, low 59°.
1.04Marietta, Tuesday, 3 November
Rain. High 63°, low 53°.
0.23Marietta, Wednesday, 4 November
Light rain. High 63°, low 60°.
0.16Marietta, Thursday, 5 November
Light rain. High 60°, low 51°.
0.02Marietta, Friday, 6 November
Light rain. High 51°, low 41°.
0
Marietta, Saturday, 7 November
Mostly clear. High 48°, low 36°.
0Marietta, Sunday, 8 November
Overcast. High 52°, low 40°.
0.52Marietta, Monday, 9 November
Rain. High 54°, low 45°.
0
Marietta, Tuesday, 10 November
Clear. High 50°, low 41°.
0Marietta, Wednesday, 11 November
Overcast. High 45°, low 36°.
0Marietta, Thursday, 12 November
Overcast. High 45°, low 35°.
0.07
Marietta, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Marietta, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Marietta, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Marietta, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Marietta, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Marietta, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Marietta, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Marietta, Friday, 20 November
Climate normal for this date — 60-year average.
0.06Marietta, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Marietta, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Marietta, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Marietta, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Marietta, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09Marietta, Thursday, 26 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 Marietta, IA 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 Marietta, IA 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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