Weather in Ontario, OR
Ontario, Saturday, 24 October, 18:38
Clear. Feels like 53°. High 57°, low 34°.
Monthly outlook for Ontario, OR: average high 55.5°, average low 40.1°. That is 1° below the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 7 November (66.9°), the coolest 31 October (31°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 54.1° | 58.7° | -2.6° |
| 3 November – 12 November | 57.9° | 53.8° | +2.3° |
| 13 November – 22 November | at normal | 49° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Nyssa (10 mi).
0
Ontario, Sunday, 25 October
Overcast. High 57°, low 37°.
0.19
Ontario, Monday, 26 October
Rain. High 56°, low 42°.
0
Ontario, Tuesday, 27 October
Mostly clear. High 53°, low 37°.
0Ontario, Wednesday, 28 October
Clear. High 55°, low 37°.
0Ontario, Thursday, 29 October
Overcast. High 56°, low 39°.
0.06Ontario, Friday, 30 October
Light rain. High 52°, low 38°.
0.01
Ontario, Saturday, 31 October
Light snow. High 50°, low 31°.
0Ontario, Sunday, 1 November
Clear. High 54°, low 31°.
0.05Ontario, Monday, 2 November
Light rain. High 52°, low 40°.
0.82Ontario, Tuesday, 3 November
Rain. High 46°, low 42°.
0.01Ontario, Wednesday, 4 November
Light rain. High 57°, low 43°.
0.07Ontario, Thursday, 5 November
Light rain. High 54°, low 47°.
0.01Ontario, Friday, 6 November
Light rain. High 61°, low 50°.
0Ontario, Saturday, 7 November
Overcast. High 67°, low 51°.
0Ontario, Sunday, 8 November
Overcast. High 63°, low 44°.
0.05
Ontario, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Ontario, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Ontario, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Ontario, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Ontario, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Ontario, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Ontario, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Ontario, Monday, 16 November
Climate normal for this date — 60-year average.
0.06
Ontario, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Ontario, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Ontario, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04Ontario, Friday, 20 November
Climate normal for this date — 60-year average.
0.05Ontario, Saturday, 21 November
Climate normal for this date — 60-year average.
0.07Ontario, Sunday, 22 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, OR 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, OR 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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