Weather in Ontario, NY
Ontario, Wednesday, 21 October, 04:51
Clear. Feels like 34°. High 59°, low 36°.
Monthly outlook for Ontario, NY: average high 55.7°, average low 44.6°. That is 0.5° above the climate normal for October. Precipitation is expected on 7 days (about 1.2 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 5 November (66.8°), the coolest 22 October (33.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.4° | 55.3° | +0.6° |
| 31 October – 9 November | 54.7° | 52.5° | +1.2° |
| 10 November – 19 November | at normal | 46.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Irondequoit (13 mi).
0.01
Ontario, Thursday, 22 October
Light rain. High 61°, low 34°.
0
Ontario, Friday, 23 October
Partly cloudy. High 54°, low 48°.
0
Ontario, Saturday, 24 October
Clear. High 55°, low 39°.
0Ontario, Sunday, 25 October
Clear. High 61°, low 46°.
0
Ontario, Monday, 26 October
Overcast. High 63°, low 53°.
0Ontario, Tuesday, 27 October
Overcast. High 52°, low 47°.
0.05Ontario, Wednesday, 28 October
Light rain. High 53°, low 46°.
0.15Ontario, Thursday, 29 October
Light rain. High 60°, low 49°.
0.19Ontario, Friday, 30 October
Light rain. High 47°, low 42°.
0.07
Ontario, Saturday, 31 October
Snow. High 43°, low 36°.
0.05Ontario, Sunday, 1 November
Light rain. High 55°, low 36°.
0.57Ontario, Monday, 2 November
Rain. High 51°, low 46°.
0.11Ontario, Tuesday, 3 November
Light rain. High 56°, low 50°.
0Ontario, Wednesday, 4 November
Overcast. High 58°, low 53°.
0.03Ontario, Thursday, 5 November
Light rain. High 67°, low 53°.
0.12Ontario, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Ontario, Saturday, 7 November
Climate normal for this date — 60-year average.
0.14
Ontario, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Ontario, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Ontario, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.19Ontario, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Ontario, Thursday, 12 November
Climate normal for this date — 60-year average.
0.1Ontario, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Ontario, Saturday, 14 November
Climate normal for this date — 60-year average.
0.18Ontario, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Ontario, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Ontario, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Ontario, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Ontario, Thursday, 19 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 Ontario, 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, 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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