Weather in Cortland, NY
Cortland, Wednesday, 21 October, 10:25
Clear. Feels like 48°. High 59°, low 34°.
Monthly outlook for Cortland, NY: average high 56.3°, average low 39.4°. That is 2° above 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 2 November (64.6°), the coolest 22 October (29.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.3° | 53.4° | +1.6° |
| 31 October – 9 November | 56.3° | 50.2° | +3.4° |
| 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 (9 mi).
0
Cortland, Thursday, 22 October
Partly cloudy. High 60°, low 29°.
0Cortland, Friday, 23 October
Clear. High 53°, low 32°.
0Cortland, Saturday, 24 October
Clear. High 56°, low 34°.
0Cortland, Sunday, 25 October
Clear. High 58°, low 37°.
0
Cortland, Monday, 26 October
Mostly clear. High 62°, low 42°.
0Cortland, Tuesday, 27 October
Mostly clear. High 48°, low 34°.
0
Cortland, Wednesday, 28 October
Overcast. High 55°, low 35°.
0.11
Cortland, Thursday, 29 October
Light rain. High 63°, low 47°.
0Cortland, Friday, 30 October
Overcast. High 50°, low 34°.
0Cortland, Saturday, 31 October
Clear. High 51°, low 32°.
0Cortland, Sunday, 1 November
Overcast. High 51°, low 39°.
0Cortland, Monday, 2 November
Overcast. High 65°, low 49°.
0Cortland, Tuesday, 3 November
Overcast. High 62°, low 49°.
0.46Cortland, Wednesday, 4 November
Rain. High 55°, low 51°.
0.17Cortland, Thursday, 5 November
Light rain. High 55°, low 52°.
0.12
Cortland, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Cortland, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Cortland, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Cortland, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Cortland, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Cortland, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Cortland, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Cortland, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Cortland, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Cortland, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Cortland, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Cortland, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Cortland, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Cortland, 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 Cortland, 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 Cortland, 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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