San Jose weather in October: San Jose, California: normal highs, lows, rain and records for October
San Jose in October has a normal high of 76°F and a normal low of 53°F, a daily mean of 64°F, falling from 79°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 0.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 12°C, 13 mm of precipitation in October.
- NOAA stationSan Jose
- Station IDUSW00023293
- Location37.36°N 121.92°W
- Elevation51 ft (16 m)
- From the center7 miles
- Population997,368
- Jan 60° 42°
- Feb 62° 44°
- Mar 66° 46°
- Apr 69° 48°
- May 74° 52°
- Jun 79° 56°
- Jul 81° 58°
- Aug 81° 59°
- Sep 81° 57°
- Oct 76° 53°
- Nov 66° 46°
- Dec 60° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is San Jose in October?
The normal high is 76°F and the normal low 53°F, for a daily mean of 64.3°F. October is 4.7°F cooler than September and 8.4°F warmer than November. October is the 5th warmest month of the year in San Jose and the 7th wettest. Across the month the normal high falls 7°F, from 79°F on October 1 to 72°F on October 31. From one year to the next October's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 62°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 | 79°F | 56°F | 5% | 2% |
| October 8 | 78°F | 54°F | 7% | 3% |
| October 15 | 76°F | 53°F | 10% | 4% |
| October 22 | 75°F | 52°F | 13% | 5% |
| October 31 | 72°F | 49°F | 17% | 6% |
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 | 79°F | 56°F | 5% | 2% | 11 h 50 min |
| October 2 | 79°F | 55°F | 6% | 2% | 11 h 50 min |
| October 3 | 79°F | 55°F | 6% | 2% | 11 h 50 min |
| October 4 | 78°F | 55°F | 6% | 3% | 11 h 40 min |
| October 5 | 78°F | 55°F | 6% | 3% | 11 h 40 min |
| October 6 | 78°F | 55°F | 7% | 3% | 11 h 40 min |
| October 7 | 78°F | 55°F | 7% | 3% | 11 h 40 min |
| October 8 | 78°F | 54°F | 7% | 3% | 11 h 30 min |
| October 9 | 78°F | 54°F | 7% | 3% | 11 h 30 min |
| October 10 | 77°F | 54°F | 8% | 3% | 11 h 30 min |
| October 11 | 77°F | 54°F | 8% | 3% | 11 h 30 min |
| October 12 | 77°F | 54°F | 9% | 3% | 11 h 20 min |
| October 13 | 77°F | 54°F | 9% | 3% | 11 h 20 min |
| October 14 | 77°F | 53°F | 9% | 4% | 11 h 20 min |
| October 15 | 76°F | 53°F | 10% | 4% | 11 h 20 min |
| October 16 | 76°F | 53°F | 10% | 4% | 11 h 20 min |
| October 17 | 76°F | 53°F | 11% | 4% | 11 h 10 min |
| October 18 | 76°F | 52°F | 11% | 4% | 11 h 10 min |
| October 19 | 75°F | 52°F | 11% | 4% | 11 h 10 min |
| October 20 | 75°F | 52°F | 12% | 5% | 11 h 10 min |
| October 21 | 75°F | 52°F | 12% | 5% | 11 h |
| October 22 | 75°F | 52°F | 13% | 5% | 11 h |
| October 23 | 74°F | 51°F | 13% | 5% | 11 h |
| October 24 | 74°F | 51°F | 14% | 5% | 11 h |
| October 25 | 74°F | 51°F | 14% | 5% | 11 h |
| October 26 | 73°F | 51°F | 15% | 6% | 10 h 50 min |
| October 27 | 73°F | 50°F | 15% | 6% | 10 h 50 min |
| October 28 | 73°F | 50°F | 16% | 6% | 10 h 50 min |
| October 29 | 73°F | 50°F | 16% | 6% | 10 h 50 min |
| October 30 | 72°F | 50°F | 17% | 6% | 10 h 40 min |
| October 31 | 72°F | 49°F | 17% | 6% | 10 h 40 min |
- Normal high
- 76°FOctober average
- Normal low
- 53°FOctober average
- Precipitation
- 0.53 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 24
- Days at 80°F or more
- 9
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023293; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in San Jose in October?
On a given October day the chance of 0.01 inch or more is 11% on average, highest around October 31 (17%). In all, 0.53 in falls on 3 days of a normal October.
In a normal October in San Jose, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023293.
What are the records for October in San Jose?
The warmest October temperature on San Jose's official record (since 1893) is 106°F, on October 2, 2024; the coldest is 30°F, on October 18, 1893. The wettest October brought 4.59 in (1962).
The October mean against the 1991-2020 normal of 64.3°F: 2021 63.7°F (−0.6), 2022 64.5°F (+0.2), 2023 68.2°F (+3.9), 2024 70.3°F (+6.0), 2025 64.4°F (+0.1). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.7°F | −0.6°F | 2.16 in |
| 2022 | 64.5°F | +0.2°F | 0.00 in |
| 2023 | 68.2°F | +3.9°F | 0.11 in |
| 2024 | 70.3°F | +6.0°F | 0.01 in |
| 2025 | 64.4°F | +0.1°F | 2.00 in |
Source: records: ACIS, NWS threaded record SJCthr; recent months: ACIS, station USW00023293. Records and recent months use complete months only.
How does October in San Jose 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; San Jose's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.