Weather in Green Valley, SD
Green Valley, Wednesday, 28 October, 00:40
Overcast. Feels like 42°. High 58°, low 42°.
Monthly outlook for Green Valley, SD: average high 53°, average low 38.5°. That is 1.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 31 October (67.6°), the coolest 10 November (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 52.9° | 52.8° | +0° |
| 7 November – 16 November | 53.2° | 48.3° | +2.7° |
| 17 November – 26 November | at normal | 44.3° | — |
October records over 66 years
0
Green Valley, Thursday, 29 October
Clear. High 60°, low 38°.
0
Green Valley, Friday, 30 October
Partly cloudy. High 57°, low 40°.
0Green Valley, Saturday, 31 October
Overcast. High 68°, low 50°.
0.02
Green Valley, Sunday, 1 November
Light rain. High 63°, low 48°.
0.15Green Valley, Monday, 2 November
Light rain. High 47°, low 40°.
0Green Valley, Tuesday, 3 November
Clear. High 49°, low 34°.
0.04Green Valley, Wednesday, 4 November
Light rain. High 41°, low 38°.
0.09Green Valley, Thursday, 5 November
Light rain. High 43°, low 41°.
0.01Green Valley, Friday, 6 November
Light rain. High 43°, low 41°.
0Green Valley, Saturday, 7 November
Partly cloudy. High 47°, low 37°.
0Green Valley, Sunday, 8 November
Overcast. High 66°, low 38°.
0.04
Green Valley, Monday, 9 November
Light snow. High 51°, low 33°.
0Green Valley, Tuesday, 10 November
Overcast. High 41°, low 29°.
0
Green Valley, Wednesday, 11 November
Mostly clear. High 57°, low 32°.
0Green Valley, Thursday, 12 November
Overcast. High 58°, low 35°.
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.
0.02Green Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Green Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Green Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Green Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Green Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Green Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02Green Valley, Monday, 23 November
Climate normal for this date — 60-year average.
0.02Green Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.02Green Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Green Valley, 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 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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