Weather in Groton, SD
Groton, Friday, 6 November, 04:38
Overcast. Feels like 26°. High 46°, low 31°.
Monthly outlook for Groton, SD: average high 45.9°, average low 32.9°. That is 2.6° above the climate normal for November. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 7 November (61.3°), the coolest 21 November (23.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 6 November – 15 November | 50.8° | 42.7° | +4.5° |
| 16 November – 25 November | 37.8° | 37.5° | +0.1° |
| 26 November – 5 December | at normal | 31.3° | — |
November records over 66 years
0
Groton, Saturday, 7 November
Mostly clear. High 61°, low 34°.
0
Groton, Sunday, 8 November
Partly cloudy. High 53°, low 36°.
0Groton, Monday, 9 November
Overcast. High 59°, low 39°.
0Groton, Tuesday, 10 November
Overcast. High 53°, low 34°.
0Groton, Wednesday, 11 November
Overcast. High 57°, low 38°.
0Groton, Thursday, 12 November
Partly cloudy. High 41°, low 31°.
0Groton, Friday, 13 November
Overcast. High 45°, low 28°.
0
Groton, Saturday, 14 November
Clear. High 48°, low 30°.
0Groton, Sunday, 15 November
Overcast. High 44°, low 39°.
0Groton, Monday, 16 November
Overcast. High 42°, low 37°.
0Groton, Tuesday, 17 November
Mostly clear. High 43°, low 32°.
0.34
Groton, Wednesday, 18 November
Snow. High 40°, low 34°.
0.35Groton, Thursday, 19 November
Snow. High 34°, low 32°.
0.01Groton, Friday, 20 November
Light snow. High 33°, low 27°.
0Groton, Saturday, 21 November
Clear. High 35°, low 24°.
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.
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.
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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