Ontario weather in November: Ontario, California: normal highs, lows, rain and records for November
Ontario in November has a normal high of 75°F and a normal low of 49°F, a daily mean of 62°F, falling from 79°F on the 1st to 70°F by the 30th. Measurable precipitation falls on 4 days in a normal November, 0.80 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 9°C, 20 mm of precipitation in November.
- NOAA stationOntario International Airport
- Station IDUSW00003102
- Location34.06°N 117.60°W
- Elevation949 ft (289 m)
- From the center1 miles
- Population185,285
- Jan 68° 45°
- Feb 68° 46°
- Mar 72° 49°
- Apr 76° 51°
- May 80° 56°
- Jun 86° 60°
- Jul 94° 65°
- Aug 95° 65°
- Sep 91° 64°
- Oct 83° 57°
- Nov 75° 49°
- Dec 67° 44°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ontario in November?
The normal high is 75°F and the normal low 49°F, for a daily mean of 61.9°F. November is 7.9°F cooler than October and 6.7°F warmer than December. November is the 8th warmest month of the year in Ontario and the 5th wettest. Across the month the normal high falls 9°F, from 79°F on November 1 to 70°F on November 30. From one year to the next November's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Novembers in three average between 60°F and 64°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 16%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| November 1 | 79°F | 53°F | 10% | 4% |
| November 8 | 77°F | 51°F | 11% | 5% |
| November 15 | 75°F | 49°F | 12% | 6% |
| November 22 | 72°F | 47°F | 14% | 7% |
| November 30 | 70°F | 45°F | 16% | 9% |
Every day of November: normal high, low and chance of precipitation (warmest afternoon November 1, coldest night November 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| November 1 | 79°F | 53°F | 10% | 4% | 10 h 50 min |
| November 2 | 79°F | 53°F | 10% | 4% | 10 h 50 min |
| November 3 | 79°F | 53°F | 10% | 5% | 10 h 50 min |
| November 4 | 79°F | 52°F | 10% | 5% | 10 h 40 min |
| November 5 | 78°F | 52°F | 10% | 5% | 10 h 40 min |
| November 6 | 78°F | 52°F | 10% | 5% | 10 h 40 min |
| November 7 | 78°F | 51°F | 11% | 5% | 10 h 40 min |
| November 8 | 77°F | 51°F | 11% | 5% | 10 h 40 min |
| November 9 | 77°F | 51°F | 11% | 5% | 10 h 40 min |
| November 10 | 77°F | 51°F | 11% | 5% | 10 h 30 min |
| November 11 | 77°F | 50°F | 11% | 5% | 10 h 30 min |
| November 12 | 76°F | 50°F | 11% | 6% | 10 h 30 min |
| November 13 | 76°F | 50°F | 11% | 6% | 10 h 30 min |
| November 14 | 76°F | 49°F | 12% | 6% | 10 h 30 min |
| November 15 | 75°F | 49°F | 12% | 6% | 10 h 30 min |
| November 16 | 75°F | 49°F | 12% | 6% | 10 h 20 min |
| November 17 | 74°F | 49°F | 12% | 6% | 10 h 20 min |
| November 18 | 74°F | 48°F | 12% | 6% | 10 h 20 min |
| November 19 | 74°F | 48°F | 13% | 7% | 10 h 20 min |
| November 20 | 73°F | 48°F | 13% | 7% | 10 h 20 min |
| November 21 | 73°F | 47°F | 13% | 7% | 10 h 20 min |
| November 22 | 72°F | 47°F | 14% | 7% | 10 h 10 min |
| November 23 | 72°F | 47°F | 14% | 7% | 10 h 10 min |
| November 24 | 72°F | 47°F | 14% | 8% | 10 h 10 min |
| November 25 | 71°F | 46°F | 14% | 8% | 10 h 10 min |
| November 26 | 71°F | 46°F | 15% | 8% | 10 h 10 min |
| November 27 | 71°F | 46°F | 15% | 8% | 10 h 10 min |
| November 28 | 70°F | 46°F | 15% | 8% | 10 h 10 min |
| November 29 | 70°F | 45°F | 16% | 9% | 10 h 10 min |
| November 30 | 70°F | 45°F | 16% | 9% | 10 h 10 min |
- Normal high
- 75°FNovember average
- Normal low
- 49°FNovember average
- Precipitation
- 0.80 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 10 h 50 min to 10 h 10 minNovember 1 to November 30
- Days at 70°F or more
- 20
- Days at 80°F or more
- 8
- Sunshine
- 90%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003102; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ontario in November?
On a given November day the chance of 0.01 inch or more is 12% on average, highest around November 30 (16%). In all, 0.80 in falls on 4 days of a normal November.
In a normal November in Ontario, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003102.
What are the records for November in Ontario?
The warmest November temperature on this station's record (since 1998) is 98°F, on November 3, 2010; the coldest is 32°F, on November 30, 2004. The wettest November brought 4.01 in (2025).
The November mean against the 1991-2020 normal of 61.9°F: 2021 66.4°F (+4.5), 2022 57.4°F (−4.5), 2023 62.6°F (+0.7), 2024 60.1°F (−1.8), 2025 63.6°F (+1.7). 3 of 5 ran warmer than normal.
| November | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.4°F | +4.5°F | 0.00 in |
| 2022 | 57.4°F | −4.5°F | 2.09 in |
| 2023 | 62.6°F | +0.7°F | 0.37 in |
| 2024 | 60.1°F | −1.8°F | 0.09 in |
| 2025 | 63.6°F | +1.7°F | 4.01 in |
Source: records: ACIS, station USW00003102; recent months: ACIS, station USW00003102. Records and recent months use complete months only.
How does November in Ontario compare across California?
Across the 219 places PlainClimate covers in California, November normal highs run from 45°F in Tahoma to 80°F in Brawley; Ontario's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.