Weather in Sempronius, NY
Sempronius, Wednesday, 21 October, 01:15
Clear. Feels like 33°. High 58°, low 30°.
Monthly outlook for Sempronius, NY: average high 49.3°, average low 31.4°. That is 1.9° below the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 26 October (60.4°), the coolest 5 November (23.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 51.3° | 53.4° | -1.1° |
| 31 October – 9 November | 46° | 50.2° | -2.3° |
| 10 November – 19 November | at normal | 44.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (11 mi).
0.03
Sempronius, Thursday, 22 October
Light rain. High 59°, low 29°.
0
Sempronius, Friday, 23 October
Clear. High 47°, low 34°.
0Sempronius, Saturday, 24 October
Clear. High 51°, low 31°.
0Sempronius, Sunday, 25 October
Clear. High 58°, low 38°.
0Sempronius, Monday, 26 October
Clear. High 60°, low 41°.
0.06
Sempronius, Tuesday, 27 October
Snow. High 56°, low 35°.
0Sempronius, Wednesday, 28 October
Light snow. High 41°, low 24°.
0.12Sempronius, Thursday, 29 October
Snow. High 38°, low 29°.
0.01Sempronius, Friday, 30 October
Light rain. High 47°, low 30°.
0Sempronius, Saturday, 31 October
Clear. High 46°, low 26°.
0
Sempronius, Sunday, 1 November
Overcast. High 55°, low 38°.
0.4Sempronius, Monday, 2 November
Rain. High 57°, low 41°.
0.03Sempronius, Tuesday, 3 November
Light snow. High 41°, low 28°.
0Sempronius, Wednesday, 4 November
Light rain. High 41°, low 26°.
0Sempronius, Thursday, 5 November
Clear. High 37°, low 24°.
0.12
Sempronius, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Sempronius, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Sempronius, 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.
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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