Pomona weather in October: Pomona, California: normal highs, lows, rain and records for October
Pomona in October has a normal high of 81°F and a normal low of 54°F, a daily mean of 67°F, falling from 84°F on the 1st to 78°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 0.97 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 12°C, 25 mm of precipitation in October.
- NOAA stationPomona/Fairplex
- Station IDUSC00047050
- Location34.08°N 117.77°W
- Elevation999 ft (305 m)
- From the center2 miles
- Population147,966
- Jan 68° 43°
- Feb 67° 45°
- Mar 72° 47°
- Apr 76° 50°
- May 78° 54°
- Jun 84° 57°
- Jul 90° 62°
- Aug 92° 63°
- Sep 89° 60°
- Oct 81° 54°
- Nov 74° 47°
- Dec 67° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pomona in October?
The normal high is 81°F and the normal low 54°F, for a daily mean of 67.2°F. October is 7.4°F cooler than September and 7.0°F warmer than November. October is the 5th warmest month of the year in Pomona and the 5th wettest. Across the month the normal high falls 6°F, from 84°F on October 1 to 78°F on October 31. From one year to the next October's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 65°F and 70°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 11%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 84°F | 57°F | 5% | 3% |
| October 8 | 82°F | 56°F | 7% | 4% |
| October 15 | 81°F | 54°F | 9% | 5% |
| October 22 | 79°F | 53°F | 10% | 5% |
| October 31 | 78°F | 51°F | 11% | 5% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 84°F | 57°F | 5% | 3% | 11 h 50 min |
| October 2 | 84°F | 57°F | 5% | 3% | 11 h 50 min |
| October 3 | 84°F | 57°F | 5% | 3% | 11 h 50 min |
| October 4 | 83°F | 57°F | 6% | 3% | 11 h 50 min |
| October 5 | 83°F | 56°F | 6% | 4% | 11 h 40 min |
| October 6 | 83°F | 56°F | 6% | 4% | 11 h 40 min |
| October 7 | 82°F | 56°F | 6% | 4% | 11 h 40 min |
| October 8 | 82°F | 56°F | 7% | 4% | 11 h 40 min |
| October 9 | 82°F | 55°F | 7% | 4% | 11 h 40 min |
| October 10 | 82°F | 55°F | 7% | 4% | 11 h 30 min |
| October 11 | 81°F | 55°F | 7% | 4% | 11 h 30 min |
| October 12 | 81°F | 55°F | 8% | 4% | 11 h 30 min |
| October 13 | 81°F | 54°F | 8% | 5% | 11 h 30 min |
| October 14 | 81°F | 54°F | 8% | 5% | 11 h 30 min |
| October 15 | 81°F | 54°F | 9% | 5% | 11 h 20 min |
| October 16 | 80°F | 54°F | 9% | 5% | 11 h 20 min |
| October 17 | 80°F | 54°F | 9% | 5% | 11 h 20 min |
| October 18 | 80°F | 53°F | 10% | 5% | 11 h 20 min |
| October 19 | 80°F | 53°F | 10% | 5% | 11 h 20 min |
| October 20 | 80°F | 53°F | 10% | 5% | 11 h 10 min |
| October 21 | 79°F | 53°F | 10% | 5% | 11 h 10 min |
| October 22 | 79°F | 53°F | 10% | 5% | 11 h 10 min |
| October 23 | 79°F | 52°F | 10% | 5% | 11 h 10 min |
| October 24 | 79°F | 52°F | 11% | 5% | 11 h 10 min |
| October 25 | 79°F | 52°F | 11% | 5% | 11 h |
| October 26 | 79°F | 52°F | 11% | 5% | 11 h |
| October 27 | 78°F | 52°F | 11% | 5% | 11 h |
| October 28 | 78°F | 52°F | 11% | 5% | 11 h |
| October 29 | 78°F | 51°F | 11% | 5% | 11 h |
| October 30 | 78°F | 51°F | 11% | 5% | 10 h 50 min |
| October 31 | 78°F | 51°F | 11% | 5% | 10 h 50 min |
- Normal high
- 81°FOctober average
- Normal low
- 54°FOctober average
- Precipitation
- 0.97 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 27
- Days at 80°F or more
- 16
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00047050; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pomona in October?
On a given October day the chance of 0.01 inch or more is 9% on average, highest around October 31 (11%). In all, 0.97 in falls on 3 days of a normal October, 1 of them with an inch or more.
In a normal October in Pomona, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00047050.
What are the records for October in Pomona?
The warmest October temperature on this station's record (since 1893) is 107°F, on October 12, 1950; the coldest is 29°F, on October 31, 1935. The wettest October brought 8.26 in (2004).
Source: records: ACIS, station USC00047050. Records and recent months use complete months only.
How does October in Pomona compare across California?
Across the 219 places PlainClimate covers in California, October normal highs run from 58°F in Tahoma to 93°F in Brawley; Pomona's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.