Weather in South Cortland, NY
South Cortland, Sunday, 9 August, 11:38
Clear. Feels like 75°. High 82°, low 67°.
Monthly outlook for South Cortland, NY: average high 70.9°, average low 54.3°. That is 2.7° below the climate normal for August. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 9 August (81.8°), the coolest 15 August (45°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 71.7° | 76.4° | -2.6° |
| 19 August – 28 August | 69.6° | 75° | -3° |
| 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 (7 mi).
0.08
South Cortland, Monday, 10 August
Light rain. High 81°, low 63°.
0
South Cortland, Tuesday, 11 August
Overcast. High 76°, low 59°.
0.05South Cortland, Wednesday, 12 August
Light rain. High 75°, low 58°.
0.02South Cortland, Thursday, 13 August
Light rain. High 68°, low 55°.
0
South Cortland, Friday, 14 August
Partly cloudy. High 65°, low 50°.
0
South Cortland, Saturday, 15 August
Mostly clear. High 66°, low 45°.
0South Cortland, Sunday, 16 August
Overcast. High 61°, low 49°.
0South Cortland, Monday, 17 August
Overcast. High 69°, low 54°.
0South Cortland, Tuesday, 18 August
Overcast. High 73°, low 52°.
0.52South Cortland, Wednesday, 19 August
Rain. High 73°, low 58°.
0.04South Cortland, Thursday, 20 August
Light rain. High 65°, low 54°.
0South Cortland, Friday, 21 August
Overcast. High 70°, low 52°.
0.08South Cortland, Saturday, 22 August
Light rain. High 77°, low 53°.
0.63South Cortland, Sunday, 23 August
Heavy rain. High 66°, low 52°.
0South Cortland, Monday, 24 August
Mostly clear. High 67°, low 48°.
0.09South Cortland, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06South Cortland, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
South Cortland, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21South Cortland, Friday, 28 August
Climate normal for this date — 60-year average.
0.2South Cortland, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11South Cortland, Sunday, 30 August
Climate normal for this date — 60-year average.
0.13South Cortland, Monday, 31 August
Climate normal for this date — 60-year average.
0.08South Cortland, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14South Cortland, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11South Cortland, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1South Cortland, Friday, 4 September
Climate normal for this date — 60-year average.
0.1South Cortland, Saturday, 5 September
Climate normal for this date — 60-year average.
0.16South Cortland, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11South Cortland, 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 South 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 South 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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