Vacaville weather in October: Vacaville, California: normal highs, lows, rain and records for October
Vacaville in October has a normal high of 80°F and a normal low of 49°F, a daily mean of 65°F, falling from 86°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 1.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 10°C, 27 mm of precipitation in October.
- NOAA stationVacaville Nut Tree Airport
- Station IDUSW00093241
- Location38.38°N 121.96°W
- Elevation109 ft (33 m)
- Population103,994
- Jan 58° 38°
- Feb 63° 40°
- Mar 68° 43°
- Apr 73° 46°
- May 81° 51°
- Jun 90° 56°
- Jul 95° 59°
- Aug 94° 58°
- Sep 91° 56°
- Oct 80° 49°
- Nov 67° 42°
- Dec 58° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Vacaville in October?
The normal high is 80°F and the normal low 49°F, for a daily mean of 64.5°F. October is 8.6°F cooler than September and 10.5°F warmer than November. October is the 6th warmest month of the year in Vacaville and the 7th wettest. Across the month the normal high falls 13°F, from 86°F on October 1 to 73°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 62°F and 67°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 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 86°F | 53°F | 6% | 3% |
| October 8 | 83°F | 51°F | 8% | 4% |
| October 15 | 80°F | 49°F | 10% | 6% |
| October 22 | 77°F | 48°F | 14% | 8% |
| October 31 | 73°F | 45°F | 19% | 11% |
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 | 86°F | 53°F | 6% | 3% | 11 h 50 min |
| October 2 | 86°F | 53°F | 6% | 3% | 11 h 50 min |
| October 3 | 85°F | 53°F | 6% | 3% | 11 h 50 min |
| October 4 | 85°F | 52°F | 7% | 4% | 11 h 40 min |
| October 5 | 85°F | 52°F | 7% | 4% | 11 h 40 min |
| October 6 | 84°F | 52°F | 7% | 4% | 11 h 40 min |
| October 7 | 84°F | 52°F | 7% | 4% | 11 h 40 min |
| October 8 | 83°F | 51°F | 8% | 4% | 11 h 30 min |
| October 9 | 83°F | 51°F | 8% | 5% | 11 h 30 min |
| October 10 | 83°F | 51°F | 8% | 5% | 11 h 30 min |
| October 11 | 82°F | 50°F | 9% | 5% | 11 h 30 min |
| October 12 | 82°F | 50°F | 9% | 5% | 11 h 20 min |
| October 13 | 81°F | 50°F | 10% | 6% | 11 h 20 min |
| October 14 | 81°F | 50°F | 10% | 6% | 11 h 20 min |
| October 15 | 80°F | 49°F | 10% | 6% | 11 h 20 min |
| October 16 | 80°F | 49°F | 11% | 6% | 11 h 10 min |
| October 17 | 80°F | 49°F | 11% | 7% | 11 h 10 min |
| October 18 | 79°F | 49°F | 12% | 7% | 11 h 10 min |
| October 19 | 79°F | 48°F | 12% | 7% | 11 h 10 min |
| October 20 | 78°F | 48°F | 13% | 7% | 11 h |
| October 21 | 78°F | 48°F | 13% | 8% | 11 h |
| October 22 | 77°F | 48°F | 14% | 8% | 11 h |
| October 23 | 77°F | 47°F | 14% | 8% | 11 h |
| October 24 | 77°F | 47°F | 15% | 9% | 10 h 50 min |
| October 25 | 76°F | 47°F | 15% | 9% | 10 h 50 min |
| October 26 | 76°F | 47°F | 16% | 9% | 10 h 50 min |
| October 27 | 75°F | 46°F | 16% | 9% | 10 h 50 min |
| October 28 | 75°F | 46°F | 17% | 10% | 10 h 50 min |
| October 29 | 74°F | 46°F | 18% | 10% | 10 h 40 min |
| October 30 | 74°F | 45°F | 18% | 10% | 10 h 40 min |
| October 31 | 73°F | 45°F | 19% | 11% | 10 h 40 min |
- Normal high
- 80°FOctober average
- Normal low
- 49°FOctober average
- Precipitation
- 1.08 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 16
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093241; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Vacaville in October?
On a given October day the chance of 0.01 inch or more is 11% on average, highest around October 31 (19%). In all, 1.08 in falls on 3 days of a normal October.
In a normal October in Vacaville, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093241.
What are the records for October in Vacaville?
The warmest October temperature on this station's record (since 1998) is 104°F, on October 1, 2001; the coldest is 33°F, on October 31, 2019. The wettest October brought 3.15 in (2016).
The October mean against the 1991-2020 normal of 64.5°F: 2021 62.0°F (−2.5), 2022 66.7°F (+2.2), 2023 65.0°F (+0.5), 2024 68.5°F (+4.0), 2025 62.8°F (−1.7). 3 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.0°F | −2.5°F | 0.08 in |
| 2022 | 66.7°F | +2.2°F | 0.00 in |
| 2023 | 65.0°F | +0.5°F | 0.52 in |
| 2024 | 68.5°F | +4.0°F | 0.09 in |
| 2025 | 62.8°F | −1.7°F | 1.72 in |
Source: records: ACIS, station USW00093241; recent months: ACIS, station USW00093241. Records and recent months use complete months only.
How does October in Vacaville 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; Vacaville's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Vacaville in September91°F by day, 56°F at night
- Vacaville in November67°F by day, 42°F at night
- Vacaville 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