Weather in Sempronius, NY
Sempronius, Tuesday, 20 October, 12:19
Clear. Feels like 55°. High 58°, low 33°.
Monthly outlook for Sempronius, NY: average high 50°, average low 32°. That is 1.7° below the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 26 October (62.7°), the coolest 31 October (19.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 52.9° | 53.8° | -0.5° |
| 30 October – 8 November | 45.1° | 50.5° | -3° |
| 9 November – 18 November | at normal | 45° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (11 mi).
0Sempronius, Wednesday, 21 October
Clear. High 56°, low 29°.
0.02
Sempronius, Thursday, 22 October
Light rain. High 50°, low 28°.
0
Sempronius, Friday, 23 October
Mostly clear. High 46°, low 35°.
0Sempronius, Saturday, 24 October
Clear. High 53°, low 32°.
0Sempronius, Sunday, 25 October
Clear. High 59°, low 38°.
0
Sempronius, Monday, 26 October
Overcast. High 63°, low 47°.
0.3
Sempronius, Tuesday, 27 October
Snow. High 62°, low 37°.
0.1Sempronius, Wednesday, 28 October
Snow. High 36°, low 28°.
0Sempronius, Thursday, 29 October
Overcast. High 46°, low 26°.
0.13Sempronius, Friday, 30 October
Snow. High 40°, low 30°.
0.04Sempronius, Saturday, 31 October
Light snow. High 40°, low 19°.
0.02Sempronius, Sunday, 1 November
Light rain. High 46°, low 30°.
0.04Sempronius, Monday, 2 November
Light rain. High 42°, low 31°.
0Sempronius, Tuesday, 3 November
Overcast. High 51°, low 31°.
0Sempronius, Wednesday, 4 November
Overcast. High 52°, low 37°.
0.11
Sempronius, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Sempronius, 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.
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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