Weather in Green Valley, SD
Green Valley, Sunday, 18 October, 18:28
Partly cloudy. Feels like 56°. High 67°, low 46°.
Monthly outlook for Green Valley, SD: average high 61.8°, average low 42.2°. That is 2.8° above the climate normal for October. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (76.5°), the coolest 2 November (26.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 65° | 58.9° | +3.4° |
| 28 October – 6 November | 56.5° | 52.8° | +2.1° |
| 7 November – 16 November | at normal | 48.3° | — |
October records over 66 years
0
Green Valley, Monday, 19 October
Clear. High 64°, low 37°.
0Green Valley, Tuesday, 20 October
Clear. High 74°, low 38°.
0Green Valley, Wednesday, 21 October
Clear. High 67°, low 48°.
0
Green Valley, Thursday, 22 October
Overcast. High 73°, low 52°.
0
Green Valley, Friday, 23 October
Partly cloudy. High 77°, low 58°.
0Green Valley, Saturday, 24 October
Overcast. High 56°, low 41°.
0Green Valley, Sunday, 25 October
Clear. High 65°, low 40°.
0.02
Green Valley, Monday, 26 October
Light rain. High 48°, low 45°.
0.01Green Valley, Tuesday, 27 October
Light rain. High 57°, low 44°.
0Green Valley, Wednesday, 28 October
Overcast. High 74°, low 48°.
0Green Valley, Thursday, 29 October
Partly cloudy. High 59°, low 43°.
0Green Valley, Friday, 30 October
Clear. High 63°, low 37°.
0.22Green Valley, Saturday, 31 October
Rain. High 57°, low 45°.
0.96
Green Valley, Sunday, 1 November
Snow. High 44°, low 27°.
0
Green Valley, Monday, 2 November
Mostly clear. High 43°, low 26°.
0.04Green Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Green Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Green Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Green Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Green Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Green Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Green Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Green Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Green Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Green Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Green Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Green Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Green Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Green Valley, Monday, 16 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 Green Valley, 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 Green Valley, 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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