Weather in South Hannibal, NY
South Hannibal, Sunday, 9 August, 10:03
Clear. Feels like 74°. High 85°, low 69°.
Monthly outlook for South Hannibal, NY: average high 74.6°, average low 57.6°. That is 0.3° below the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 9 August (84.8°), the coolest 15 August (50.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 75.5° | 75.8° | -0.2° |
| 19 August – 28 August | 73.3° | 74.4° | -0.6° |
| 29 August – 7 September | at normal | 73.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — SUNY Oswego (13 mi).
0.19
South Hannibal, Monday, 10 August
Light rain. High 82°, low 66°.
0.02South Hannibal, Tuesday, 11 August
Light rain. High 79°, low 65°.
0.03South Hannibal, Wednesday, 12 August
Light rain. High 81°, low 60°.
0.02South Hannibal, Thursday, 13 August
Light rain. High 72°, low 60°.
0.01South Hannibal, Friday, 14 August
Light rain. High 69°, low 56°.
0South Hannibal, Saturday, 15 August
Clear. High 70°, low 50°.
0
South Hannibal, Sunday, 16 August
Overcast. High 69°, low 52°.
0
South Hannibal, Monday, 17 August
Partly cloudy. High 74°, low 54°.
0South Hannibal, Tuesday, 18 August
Overcast. High 75°, low 56°.
0.14South Hannibal, Wednesday, 19 August
Light rain. High 82°, low 60°.
0.06South Hannibal, Thursday, 20 August
Light rain. High 70°, low 58°.
0South Hannibal, Friday, 21 August
Overcast. High 75°, low 52°.
0.17South Hannibal, Saturday, 22 August
Rain. High 75°, low 56°.
0.65South Hannibal, Sunday, 23 August
Heavy rain. High 67°, low 58°.
0
South Hannibal, Monday, 24 August
Mostly clear. High 71°, low 51°.
0.12
South Hannibal, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09South Hannibal, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15South Hannibal, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22South Hannibal, Friday, 28 August
Climate normal for this date — 60-year average.
0.15South Hannibal, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12South Hannibal, Sunday, 30 August
Climate normal for this date — 60-year average.
0.14South Hannibal, Monday, 31 August
Climate normal for this date — 60-year average.
0.07South Hannibal, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15South Hannibal, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11South Hannibal, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11South Hannibal, Friday, 4 September
Climate normal for this date — 60-year average.
0.11South Hannibal, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13South Hannibal, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15South Hannibal, 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 Hannibal, 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 Hannibal, 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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