Weather in South Byron, NY
South Byron, Sunday, 9 August, 06:37
Clear. Feels like 66°. High 84°, low 65°.
Monthly outlook for South Byron, NY: average high 78.6°, average low 60.4°. That is 1° above the climate normal for August. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 6 days and 1.6 inches. The warmest day looks like 21 August (91.7°), the coolest 15 August (49.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 76° | 77.5° | -0.8° |
| 19 August – 28 August | 83° | 76.2° | +3.7° |
| 29 August – 7 September | at normal | 74.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Brockport (13 mi).
0.15
South Byron, Monday, 10 August
Rain. High 83°, low 68°.
0South Byron, Tuesday, 11 August
Light rain. High 79°, low 62°.
0.12South Byron, Wednesday, 12 August
Light rain. High 82°, low 63°.
0.03South Byron, Thursday, 13 August
Light rain. High 67°, low 60°.
0
South Byron, Friday, 14 August
Mostly clear. High 68°, low 51°.
0South Byron, Saturday, 15 August
Clear. High 72°, low 50°.
0
South Byron, Sunday, 16 August
Overcast. High 73°, low 53°.
0.04South Byron, Monday, 17 August
Light rain. High 77°, low 61°.
0.03South Byron, Tuesday, 18 August
Light rain. High 75°, low 57°.
0
South Byron, Wednesday, 19 August
Partly cloudy. High 82°, low 55°.
0South Byron, Thursday, 20 August
Overcast. High 90°, low 65°.
0.03South Byron, Friday, 21 August
Light rain. High 92°, low 68°.
0South Byron, Saturday, 22 August
Mostly clear. High 82°, low 61°.
0.15South Byron, Sunday, 23 August
Light rain. High 80°, low 65°.
0.26South Byron, Monday, 24 August
Light rain. High 72°, low 64°.
0.09South Byron, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06South Byron, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11
South Byron, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15South Byron, Friday, 28 August
Climate normal for this date — 60-year average.
0.09South Byron, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South Byron, Sunday, 30 August
Climate normal for this date — 60-year average.
0.12South Byron, Monday, 31 August
Climate normal for this date — 60-year average.
0.06South Byron, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15South Byron, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11South Byron, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1South Byron, Friday, 4 September
Climate normal for this date — 60-year average.
0.09South Byron, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1South Byron, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15South Byron, 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 Byron, 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 Byron, 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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