Weather in Decatur, NY
Decatur, Tuesday, 13 October, 11:30
Overcast. Feels like 63°. High 64°, low 50°.
Monthly outlook for Decatur, NY: average high 55°, average low 38.8°. That is 1.2° above the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 24 October (66.3°), the coolest 28 October (25°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 56.8° | 53.9° | +1.6° |
| 23 October – 1 November | 52.2° | 50.4° | +1° |
| 2 November – 11 November | at normal | 46.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Summit (8 mi).
0.06
Decatur, Wednesday, 14 October
Light rain. High 63°, low 51°.
0Decatur, Thursday, 15 October
Overcast. High 55°, low 44°.
0.41Decatur, Friday, 16 October
Rain. High 64°, low 41°.
0.04
Decatur, Saturday, 17 October
Snow. High 39°, low 33°.
0
Decatur, Sunday, 18 October
Clear. High 52°, low 30°.
0Decatur, Monday, 19 October
Overcast. High 58°, low 39°.
0Decatur, Tuesday, 20 October
Overcast. High 57°, low 41°.
0Decatur, Wednesday, 21 October
Clear. High 56°, low 35°.
0
Decatur, Thursday, 22 October
Partly cloudy. High 60°, low 37°.
0Decatur, Friday, 23 October
Overcast. High 63°, low 45°.
0Decatur, Saturday, 24 October
Partly cloudy. High 66°, low 49°.
0Decatur, Sunday, 25 October
Overcast. High 49°, low 36°.
0.11Decatur, Monday, 26 October
Light rain. High 49°, low 37°.
0.01Decatur, Tuesday, 27 October
Light rain. High 40°, low 26°.
0Decatur, Wednesday, 28 October
Overcast. High 45°, low 25°.
0.14
Decatur, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Decatur, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Decatur, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Decatur, Sunday, 1 November
Climate normal for this date — 60-year average.
0.13Decatur, Monday, 2 November
Climate normal for this date — 60-year average.
0.1Decatur, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Decatur, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Decatur, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Decatur, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Decatur, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Decatur, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Decatur, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Decatur, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Decatur, Wednesday, 11 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 Decatur, 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 Decatur, 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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