Weather in Sempronius, NY
Sempronius, Sunday, 9 August, 00:44
Partly cloudy. Feels like 70°. High 82°, low 64°.
Monthly outlook for Sempronius, NY: average high 70.4°, average low 55.1°. That is 2.9° below the climate normal for August. Precipitation is expected on 9 days (about 2.0 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 10 August (82.1°), the coolest 22 August (45.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 72.2° | 76.4° | -2.3° |
| 19 August – 28 August | 67.4° | 75° | -4.2° |
| 29 August – 7 September | at normal | 73.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (11 mi).
0.1
Sempronius, Monday, 10 August
Light rain. High 82°, low 62°.
0.22Sempronius, Tuesday, 11 August
Rain. High 76°, low 61°.
0.62Sempronius, Wednesday, 12 August
Heavy rain. High 73°, low 61°.
0.04Sempronius, Thursday, 13 August
Light rain. High 64°, low 55°.
0.06Sempronius, Friday, 14 August
Light rain. High 66°, low 51°.
0
Sempronius, Saturday, 15 August
Mostly clear. High 66°, low 48°.
0
Sempronius, Sunday, 16 August
Overcast. High 69°, low 50°.
0.07Sempronius, Monday, 17 August
Light rain. High 71°, low 53°.
0Sempronius, Tuesday, 18 August
Overcast. High 74°, low 58°.
0.36Sempronius, Wednesday, 19 August
Rain. High 74°, low 59°.
0.3Sempronius, Thursday, 20 August
Light rain. High 63°, low 55°.
0.01Sempronius, Friday, 21 August
Light rain. High 63°, low 48°.
0Sempronius, Saturday, 22 August
Mostly clear. High 65°, low 45°.
0.2Sempronius, Sunday, 23 August
Rain. High 75°, low 54°.
0.04Sempronius, Monday, 24 August
Light rain. High 64°, low 58°.
0.09
Sempronius, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Sempronius, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Sempronius, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21Sempronius, Friday, 28 August
Climate normal for this date — 60-year average.
0.2Sempronius, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Sempronius, Sunday, 30 August
Climate normal for this date — 60-year average.
0.13Sempronius, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Sempronius, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14Sempronius, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Sempronius, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Sempronius, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Sempronius, Saturday, 5 September
Climate normal for this date — 60-year average.
0.16Sempronius, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Sempronius, Monday, 7 September
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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