Weather in Yankton, SD
Yankton, Saturday, 17 October, 23:13
Clear. Feels like 51°. High 63°, low 35°.
Monthly outlook for Yankton, SD: average high 68.1°, average low 47.9°. That is 5.8° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 23 October (75.5°), the coolest 17 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66.3° | 59.4° | +3.8° |
| 27 October – 5 November | 71° | 53.5° | +9.7° |
| 6 November – 15 November | at normal | 48.1° | — |
October records over 66 years
0
Yankton, Sunday, 18 October
Clear. High 67°, low 48°.
0
Yankton, Monday, 19 October
Overcast. High 63°, low 42°.
0Yankton, Tuesday, 20 October
Clear. High 67°, low 47°.
0Yankton, Wednesday, 21 October
Clear. High 70°, low 52°.
0Yankton, Thursday, 22 October
Clear. High 72°, low 50°.
0.14
Yankton, Friday, 23 October
Light rain. High 75°, low 58°.
0.15Yankton, Saturday, 24 October
Light rain. High 70°, low 44°.
0Yankton, Sunday, 25 October
Clear. High 54°, low 39°.
0Yankton, Monday, 26 October
Clear. High 62°, low 41°.
0Yankton, Tuesday, 27 October
Overcast. High 72°, low 50°.
0
Yankton, Wednesday, 28 October
Partly cloudy. High 73°, low 57°.
0.18Yankton, Thursday, 29 October
Light rain. High 70°, low 54°.
0Yankton, Friday, 30 October
Clear. High 71°, low 49°.
0.11Yankton, Saturday, 31 October
Light rain. High 69°, low 55°.
0Yankton, Sunday, 1 November
Clear. High 71°, low 44°.
0.04
Yankton, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Yankton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Yankton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Yankton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Yankton, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Yankton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Yankton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Yankton, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Yankton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Yankton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Yankton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Yankton, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Yankton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Yankton, 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 Yankton, 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 Yankton, 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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