Weather in Ontario on the Lake, NY
Ontario on the Lake, Sunday, 9 August, 15:24
Clear. Feels like 81°. High 81°, low 68°.
Monthly outlook for Ontario on the Lake, NY: average high 76.1°, average low 65.7°. That is 1.3° below the climate normal for August. Precipitation is expected on 9 days (about 1.2 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 16 August (84.9°), the coolest 15 August (60.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.1° | 79.1° | -1.1° |
| 19 August – 28 August | 74.4° | 77.6° | -1.8° |
| 29 August – 7 September | at normal | 76.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Saint John Fisher College (14 mi).
0.19
Ontario on the Lake, Monday, 10 August
Light rain. High 84°, low 71°.
0.02Ontario on the Lake, Tuesday, 11 August
Light rain. High 78°, low 68°.
0.07Ontario on the Lake, Wednesday, 12 August
Light rain. High 73°, low 66°.
0.06Ontario on the Lake, Thursday, 13 August
Light rain. High 74°, low 66°.
0.07Ontario on the Lake, Friday, 14 August
Light rain. High 70°, low 63°.
0
Ontario on the Lake, Saturday, 15 August
Partly cloudy. High 74°, low 61°.
0.47Ontario on the Lake, Sunday, 16 August
Rain. High 85°, low 63°.
0Ontario on the Lake, Monday, 17 August
Clear. High 73°, low 64°.
0.07Ontario on the Lake, Tuesday, 18 August
Light rain. High 80°, low 65°.
0.04Ontario on the Lake, Wednesday, 19 August
Light rain. High 75°, low 70°.
0
Ontario on the Lake, Thursday, 20 August
Overcast. High 79°, low 64°.
0.2Ontario on the Lake, Friday, 21 August
Rain. High 74°, low 68°.
0.01Ontario on the Lake, Saturday, 22 August
Light rain. High 69°, low 66°.
0Ontario on the Lake, Sunday, 23 August
Clear. High 76°, low 62°.
0.05Ontario on the Lake, Monday, 24 August
Light rain. High 74°, low 66°.
0.12Ontario on the Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Ontario on the Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11
Ontario on the Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Ontario on the Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Ontario on the Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Ontario on the Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Ontario on the Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Ontario on the Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Ontario on the Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Ontario on the Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Ontario on the Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Ontario on the Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Ontario on the Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.12Ontario on the Lake, 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 Ontario on the Lake, 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 Ontario on the Lake, 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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