Weather in Ontario, NY
Ontario, Sunday, 25 October, 06:10
Clear. Feels like 36°. High 64°, low 39°.
Monthly outlook for Ontario, NY: average high 59.3°, average low 49°. That is 3.4° above the climate normal for October. Precipitation is expected on 8 days (about 2.2 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 3 November (71.3°), the coolest 25 October (38.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 62.9° | 54.4° | +4.7° |
| 4 November – 13 November | 53.3° | 49.8° | +2° |
| 14 November – 23 November | at normal | 45.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Irondequoit (13 mi).
0
Ontario, Monday, 26 October
Partly cloudy. High 66°, low 41°.
0
Ontario, Tuesday, 27 October
Overcast. High 53°, low 45°.
0Ontario, Wednesday, 28 October
Overcast. High 57°, low 42°.
0.05
Ontario, Thursday, 29 October
Light rain. High 66°, low 54°.
0.13Ontario, Friday, 30 October
Light rain. High 59°, low 53°.
0.01Ontario, Saturday, 31 October
Light rain. High 56°, low 46°.
0Ontario, Sunday, 1 November
Overcast. High 67°, low 55°.
0Ontario, Monday, 2 November
Overcast. High 69°, low 58°.
0.24Ontario, Tuesday, 3 November
Rain. High 71°, low 60°.
1.06Ontario, Wednesday, 4 November
Rain. High 61°, low 57°.
0.08Ontario, Thursday, 5 November
Light rain. High 56°, low 51°.
0.08Ontario, Friday, 6 November
Light rain. High 52°, low 50°.
0.34Ontario, Saturday, 7 November
Rain. High 58°, low 47°.
0.22Ontario, Sunday, 8 November
Light rain. High 47°, low 44°.
0Ontario, Monday, 9 November
Overcast. High 46°, low 43°.
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.
0.13
Ontario, 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.
0.11Ontario, Friday, 20 November
Climate normal for this date — 60-year average.
0.13Ontario, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Ontario, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Ontario, Monday, 23 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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