Weather in Groton, NY
Groton, Monday, 19 October, 13:10
Clear. Feels like 62°. High 64°, low 34°.
Monthly outlook for Groton, NY: average high 54.3°, average low 37.8°. That is 0.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 19 October (64°), the coolest 30 October (27.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 56.8° | 54.2° | +1.5° |
| 29 October – 7 November | 50° | 50.8° | -0.5° |
| 8 November – 17 November | at normal | 45.4° | — |
October records over 66 years
0Groton, Tuesday, 20 October
Clear. High 61°, low 36°.
0Groton, Wednesday, 21 October
Clear. High 56°, low 33°.
0.03
Groton, Thursday, 22 October
Light rain. High 51°, low 37°.
0
Groton, Friday, 23 October
Overcast. High 45°, low 37°.
0
Groton, Saturday, 24 October
Mostly clear. High 51°, low 33°.
0Groton, Sunday, 25 October
Clear. High 59°, low 37°.
0Groton, Monday, 26 October
Overcast. High 64°, low 45°.
0.01Groton, Tuesday, 27 October
Light rain. High 61°, low 45°.
0.23
Groton, Wednesday, 28 October
Snow. High 57°, low 31°.
0.13Groton, Thursday, 29 October
Light snow. High 37°, low 29°.
0
Groton, Friday, 30 October
Partly cloudy. High 49°, low 28°.
0Groton, Saturday, 31 October
Overcast. High 56°, low 40°.
0.53Groton, Sunday, 1 November
Rain. High 52°, low 44°.
0.22Groton, Monday, 2 November
Light rain. High 58°, low 51°.
0Groton, Tuesday, 3 November
Overcast. High 49°, low 43°.
0.12
Groton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Groton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Groton, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Groton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Groton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Groton, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Groton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Groton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Groton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Groton, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Groton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Groton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Groton, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Groton, Tuesday, 17 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, NY 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, NY 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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