Weather in Groton, SD
Groton, Sunday, 1 November, 18:21
Rain. Feels like 57°. High 61°, low 54°.
Monthly outlook for Groton, SD: average high 53.5°, average low 41°. That is 5.1° above the climate normal for November. Precipitation is expected on 5 days (about 4.3 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 2 November (62.7°), the coolest 6 November (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 54.3° | 46.1° | +4.6° |
| 11 November – 20 November | 52.1° | 40.2° | +6.6° |
| 21 November – 30 November | at normal | 34° | — |
November records over 66 years
2.56Groton, Monday, 2 November
Heavy rain. High 63°, low 54°.
0.93Groton, Tuesday, 3 November
Rain. High 53°, low 44°.
0.37Groton, Wednesday, 4 November
Rain. High 49°, low 41°.
0
Groton, Thursday, 5 November
Clear. High 49°, low 36°.
0
Groton, Friday, 6 November
Overcast. High 48°, low 30°.
0Groton, Saturday, 7 November
Overcast. High 52°, low 37°.
0Groton, Sunday, 8 November
Clear. High 54°, low 40°.
0Groton, Monday, 9 November
Overcast. High 58°, low 42°.
0Groton, Tuesday, 10 November
Clear. High 55°, low 39°.
0Groton, Wednesday, 11 November
Clear. High 46°, low 31°.
0Groton, Thursday, 12 November
Overcast. High 51°, low 34°.
0.09Groton, Friday, 13 November
Light rain. High 52°, low 47°.
0.34Groton, Saturday, 14 November
Rain. High 51°, low 44°.
0
Groton, Sunday, 15 November
Partly cloudy. High 52°, low 41°.
0Groton, Monday, 16 November
Overcast. High 61°, low 42°.
0.02
Groton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Groton, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Groton, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04Groton, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Groton, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Groton, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Groton, Monday, 23 November
Climate normal for this date — 60-year average.
0.03Groton, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Groton, Wednesday, 25 November
Climate normal for this date — 60-year average.
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.
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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