Weather in Vivian, SD
Vivian, Tuesday, 20 October, 04:36
Clear. Feels like 42°. High 73°, low 45°.
Monthly outlook for Vivian, SD: average high 60.7°, average low 42.5°. That is 2.8° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (78.3°), the coolest 28 October (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.9° | 57.9° | +2.2° |
| 30 October – 8 November | 58.8° | 51.8° | +3.9° |
| 9 November – 18 November | at normal | 46.1° | — |
October records over 66 years
0
Vivian, Wednesday, 21 October
Clear. High 69°, low 48°.
0Vivian, Thursday, 22 October
Clear. High 77°, low 53°.
0
Vivian, Friday, 23 October
Overcast. High 78°, low 61°.
0.06
Vivian, Saturday, 24 October
Light rain. High 67°, low 48°.
0Vivian, Sunday, 25 October
Overcast. High 55°, low 40°.
0Vivian, Monday, 26 October
Light rain. High 50°, low 39°.
0Vivian, Tuesday, 27 October
Clear. High 40°, low 30°.
0Vivian, Wednesday, 28 October
Clear. High 56°, low 28°.
0Vivian, Thursday, 29 October
Overcast. High 53°, low 37°.
0Vivian, Friday, 30 October
Overcast. High 51°, low 35°.
0Vivian, Saturday, 31 October
Overcast. High 51°, low 35°.
0.01Vivian, Sunday, 1 November
Light rain. High 54°, low 43°.
0.02Vivian, Monday, 2 November
Light rain. High 65°, low 46°.
0Vivian, Tuesday, 3 November
Clear. High 60°, low 44°.
0Vivian, Wednesday, 4 November
Overcast. High 72°, low 45°.
0.04
Vivian, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Vivian, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Vivian, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Vivian, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04
Vivian, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Vivian, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Vivian, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Vivian, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Vivian, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Vivian, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Vivian, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Vivian, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Vivian, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Vivian, Wednesday, 18 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 Vivian, 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 Vivian, 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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