Weather in Marietta, SD
Marietta, Monday, 19 October, 19:47
Clear. Feels like 51°. High 66°, low 42°.
Monthly outlook for Marietta, SD: average high 63.8°, average low 43°. That is 4° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (80.4°), the coolest 28 October (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.5° | 59.1° | +1.9° |
| 29 October – 7 November | 65.9° | 52.3° | +7.5° |
| 8 November – 17 November | at normal | 47.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dudley (8 mi).
0
Marietta, Tuesday, 20 October
Clear. High 73°, low 45°.
0Marietta, Wednesday, 21 October
Clear. High 69°, low 44°.
0
Marietta, Thursday, 22 October
Partly cloudy. High 77°, low 54°.
0Marietta, Friday, 23 October
Clear. High 80°, low 59°.
0Marietta, Saturday, 24 October
Clear. High 57°, low 47°.
0.03
Marietta, Sunday, 25 October
Light rain. High 49°, low 39°.
0Marietta, Monday, 26 October
Clear. High 56°, low 38°.
0
Marietta, Tuesday, 27 October
Overcast. High 43°, low 33°.
0Marietta, Wednesday, 28 October
Clear. High 55°, low 30°.
0Marietta, Thursday, 29 October
Clear. High 60°, low 37°.
0Marietta, Friday, 30 October
Overcast. High 66°, low 41°.
0Marietta, Saturday, 31 October
Overcast. High 71°, low 47°.
0Marietta, Sunday, 1 November
Partly cloudy. High 65°, low 46°.
0Marietta, Monday, 2 November
Clear. High 66°, low 44°.
0Marietta, Tuesday, 3 November
Overcast. High 66°, low 44°.
0.01
Marietta, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02Marietta, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Marietta, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Marietta, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Marietta, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Marietta, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Marietta, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Marietta, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Marietta, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Marietta, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Marietta, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Marietta, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Marietta, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Marietta, Tuesday, 17 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, SD 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, SD 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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