Weather in Cortland, NY
Cortland, Tuesday, 20 October, 10:03
Clear. Feels like 49°. High 61°, low 35°.
Monthly outlook for Cortland, NY: average high 51.6°, average low 32.8°. That is 0.8° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 26 October (64.2°), the coolest 31 October (20.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 54.6° | 53.8° | +0.4° |
| 30 October – 8 November | 46.6° | 50.5° | -2.2° |
| 9 November – 18 November | at normal | 45° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (9 mi).
0Cortland, Wednesday, 21 October
Clear. High 59°, low 31°.
0.01
Cortland, Thursday, 22 October
Light rain. High 51°, low 30°.
0
Cortland, Friday, 23 October
Partly cloudy. High 48°, low 34°.
0Cortland, Saturday, 24 October
Clear. High 55°, low 31°.
0Cortland, Sunday, 25 October
Clear. High 60°, low 38°.
0Cortland, Monday, 26 October
Partly cloudy. High 64°, low 48°.
0.32Cortland, Tuesday, 27 October
Rain. High 63°, low 38°.
0.08
Cortland, Wednesday, 28 October
Light snow. High 38°, low 29°.
0
Cortland, Thursday, 29 October
Overcast. High 47°, low 28°.
0.11Cortland, Friday, 30 October
Snow. High 42°, low 30°.
0.06Cortland, Saturday, 31 October
Light snow. High 41°, low 20°.
0Cortland, Sunday, 1 November
Light rain. High 48°, low 29°.
0.03Cortland, Monday, 2 November
Light rain. High 44°, low 33°.
0Cortland, Tuesday, 3 November
Overcast. High 52°, low 32°.
0Cortland, Wednesday, 4 November
Overcast. High 53°, low 38°.
0.11
Cortland, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Cortland, 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.
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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