Oceanside weather in October: Oceanside, California: normal highs, lows, rain and records for October
Oceanside in October has a normal high of 75°F and a normal low of 53°F, a daily mean of 64°F, falling from 76°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 5 days in a normal October, 0.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 11°C, 16 mm of precipitation in October.
- NOAA stationOceanside Municipal Airport
- Station IDUSW00053121
- Location33.22°N 117.35°W
- Elevation28 ft (9 m)
- From the center3 miles
- Population170,941
- Jan 67° 41°
- Feb 66° 42°
- Mar 66° 46°
- Apr 69° 48°
- May 70° 54°
- Jun 73° 58°
- Jul 77° 62°
- Aug 78° 62°
- Sep 78° 59°
- Oct 75° 53°
- Nov 71° 44°
- Dec 66° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oceanside in October?
The normal high is 75°F and the normal low 53°F, for a daily mean of 63.8°F. October is 4.7°F cooler than September and 6.4°F warmer than November. October is the 5th warmest month of the year in Oceanside and the 7th wettest. Across the month the normal high falls 2°F, from 76°F on October 1 to 74°F on October 31. From one year to the next October's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 61°F and 66°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 17%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 76°F | 57°F | 11% | 2% |
| October 8 | 76°F | 55°F | 13% | 3% |
| October 15 | 75°F | 53°F | 15% | 4% |
| October 22 | 75°F | 51°F | 16% | 4% |
| October 31 | 74°F | 48°F | 17% | 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 | 76°F | 57°F | 11% | 2% | 11 h 50 min |
| October 2 | 76°F | 57°F | 11% | 2% | 11 h 50 min |
| October 3 | 76°F | 56°F | 12% | 2% | 11 h 50 min |
| October 4 | 76°F | 56°F | 12% | 3% | 11 h 50 min |
| October 5 | 76°F | 56°F | 12% | 3% | 11 h 40 min |
| October 6 | 76°F | 56°F | 13% | 3% | 11 h 40 min |
| October 7 | 76°F | 55°F | 13% | 3% | 11 h 40 min |
| October 8 | 76°F | 55°F | 13% | 3% | 11 h 40 min |
| October 9 | 76°F | 55°F | 13% | 3% | 11 h 40 min |
| October 10 | 76°F | 54°F | 14% | 3% | 11 h 30 min |
| October 11 | 75°F | 54°F | 14% | 3% | 11 h 30 min |
| October 12 | 75°F | 54°F | 14% | 4% | 11 h 30 min |
| October 13 | 75°F | 54°F | 14% | 4% | 11 h 30 min |
| October 14 | 75°F | 53°F | 15% | 4% | 11 h 30 min |
| October 15 | 75°F | 53°F | 15% | 4% | 11 h 20 min |
| October 16 | 75°F | 53°F | 15% | 4% | 11 h 20 min |
| October 17 | 75°F | 52°F | 15% | 4% | 11 h 20 min |
| October 18 | 75°F | 52°F | 16% | 4% | 11 h 20 min |
| October 19 | 75°F | 52°F | 16% | 4% | 11 h 20 min |
| October 20 | 75°F | 52°F | 16% | 4% | 11 h 10 min |
| October 21 | 75°F | 51°F | 16% | 4% | 11 h 10 min |
| October 22 | 75°F | 51°F | 16% | 4% | 11 h 10 min |
| October 23 | 74°F | 51°F | 16% | 4% | 11 h 10 min |
| October 24 | 74°F | 50°F | 16% | 4% | 11 h 10 min |
| October 25 | 74°F | 50°F | 16% | 4% | 11 h 10 min |
| October 26 | 74°F | 50°F | 16% | 5% | 11 h |
| October 27 | 74°F | 49°F | 16% | 5% | 11 h |
| October 28 | 74°F | 49°F | 17% | 5% | 11 h |
| October 29 | 74°F | 49°F | 17% | 5% | 11 h |
| October 30 | 74°F | 48°F | 17% | 5% | 11 h |
| October 31 | 74°F | 48°F | 17% | 5% | 10 h 50 min |
- Normal high
- 75°FOctober average
- Normal low
- 53°FOctober average
- Precipitation
- 0.64 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 25
- Days at 80°F or more
- 7
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053121; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Oceanside in October?
On a given October day the chance of 0.01 inch or more is 15% on average, highest around October 31 (17%). In all, 0.64 in falls on 5 days of a normal October.
In a normal October in Oceanside, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053121.
What are the records for October in Oceanside?
The warmest October temperature on this station's record (since 1999) is 106°F, on October 24, 2017; the coldest is 34°F, on October 29, 2009. The wettest October brought 5.69 in (2004).
The October mean against the 1991-2020 normal of 63.8°F: 2021 62.4°F (−1.4), 2022 67.2°F (+3.4), 2023 64.8°F (+1.0), 2024 63.7°F (−0.1), 2025 63.2°F (−0.6). 2 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.4°F | −1.4°F | 1.57 in |
| 2022 | 67.2°F | +3.4°F | 0.17 in |
| 2023 | 64.8°F | +1.0°F | 0.02 in |
| 2024 | 63.7°F | −0.1°F | 0.01 in |
| 2025 | 63.2°F | −0.6°F | 0.43 in |
Source: records: ACIS, station USW00053121; recent months: ACIS, station USW00053121. Records and recent months use complete months only.
How does October in Oceanside 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; Oceanside's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Oceanside in September78°F by day, 59°F at night
- Oceanside in November71°F by day, 44°F at night
- Oceanside through the yearEvery month, frost dates, records and recent years
- California in OctoberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Octobernormal high 93°F