Weather in Groton, SD
Groton, Tuesday, 10 November, 20:43
Overcast. Feels like 48°. High 57°, low 30°.
Monthly outlook for Groton, SD: average high 43°, average low 29.6°. That is 2.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.1 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 10 November (57.4°), the coolest 23 November (9.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 48.9° | 40.5° | +4.6° |
| 20 November – 29 November | 33.2° | 34.5° | -0.7° |
| 30 November – 9 December | at normal | 29.5° | — |
November records over 66 years
0Groton, Wednesday, 11 November
Overcast. High 53°, low 32°.
0Groton, Thursday, 12 November
Overcast. High 39°, low 23°.
0
Groton, Friday, 13 November
Partly cloudy. High 42°, low 26°.
0Groton, Saturday, 14 November
Partly cloudy. High 46°, low 30°.
0Groton, Sunday, 15 November
Overcast. High 51°, low 36°.
0Groton, Monday, 16 November
Partly cloudy. High 50°, low 41°.
0
Groton, Tuesday, 17 November
Mostly clear. High 51°, low 41°.
0Groton, Wednesday, 18 November
Overcast. High 49°, low 47°.
0.04
Groton, Thursday, 19 November
Light rain. High 51°, low 40°.
0Groton, Friday, 20 November
Partly cloudy. High 41°, low 33°.
0Groton, Saturday, 21 November
Partly cloudy. High 34°, low 25°.
0Groton, Sunday, 22 November
Overcast. High 21°, low 15°.
0Groton, Monday, 23 November
Overcast. High 26°, low 9°.
0Groton, Tuesday, 24 November
Overcast. High 37°, low 19°.
0Groton, Wednesday, 25 November
Overcast. High 41°, low 27°.
0.04Groton, Thursday, 26 November
Climate normal for this date — 60-year average.
0.05Groton, Friday, 27 November
Climate normal for this date — 60-year average.
0.06Groton, Saturday, 28 November
Climate normal for this date — 60-year average.
0.02Groton, Sunday, 29 November
Climate normal for this date — 60-year average.
0.04Groton, Monday, 30 November
Climate normal for this date — 60-year average.
0.04Groton, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Groton, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Groton, Thursday, 3 December
Climate normal for this date — 60-year average.
0.03Groton, Friday, 4 December
Climate normal for this date — 60-year average.
0.02Groton, Saturday, 5 December
Climate normal for this date — 60-year average.
0.02Groton, Sunday, 6 December
Climate normal for this date — 60-year average.
0.02Groton, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Groton, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.02Groton, Wednesday, 9 December
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 Groton, 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 Groton, 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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