Weather in Sempronius, NY
Sempronius, Friday, 23 October, 06:57
Clear. Feels like 31°. High 55°, low 31°.
Monthly outlook for Sempronius, NY: average high 54°, average low 38.2°. That is 1.2° above the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 29 October (61.4°), the coolest 24 October (26.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 56.8° | 52.9° | +2.2° |
| 2 November – 11 November | 49.2° | 49.1° | +0.1° |
| 12 November – 21 November | at normal | 43.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (11 mi).
0
Sempronius, Saturday, 24 October
Clear. High 58°, low 26°.
0Sempronius, Sunday, 25 October
Clear. High 57°, low 38°.
0
Sempronius, Monday, 26 October
Mostly clear. High 60°, low 42°.
0
Sempronius, Tuesday, 27 October
Overcast. High 44°, low 34°.
0Sempronius, Wednesday, 28 October
Overcast. High 55°, low 33°.
0Sempronius, Thursday, 29 October
Clear. High 61°, low 44°.
0Sempronius, Friday, 30 October
Overcast. High 61°, low 46°.
0.14
Sempronius, Saturday, 31 October
Light rain. High 56°, low 47°.
0.74Sempronius, Sunday, 1 November
Rain. High 60°, low 55°.
0.21Sempronius, Monday, 2 November
Light rain. High 57°, low 45°.
0.13Sempronius, Tuesday, 3 November
Light rain. High 44°, low 36°.
0.05
Sempronius, Wednesday, 4 November
Snow. High 48°, low 33°.
0.01Sempronius, Thursday, 5 November
Light snow. High 44°, low 29°.
0Sempronius, Friday, 6 November
Clear. High 55°, low 35°.
0Sempronius, Saturday, 7 November
Overcast. High 48°, low 39°.
0.15
Sempronius, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Sempronius, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Sempronius, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Sempronius, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Sempronius, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Sempronius, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Sempronius, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Sempronius, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Sempronius, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Sempronius, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Sempronius, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Sempronius, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Sempronius, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Sempronius, Saturday, 21 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 Sempronius, 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 Sempronius, 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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