Vallejo weather in October: Vallejo, California: normal highs, lows, rain and records for October
Vallejo in October has a normal high of 79°F and a normal low of 54°F, a daily mean of 66°F, falling from 84°F on the 1st to 73°F by the 31st. The month brings 1.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 12°C, 26 mm of precipitation in October.
- NOAA stationVallejo
- Station IDUSC00049219
- Location38.10°N 122.19°W
- Elevation341 ft (104 m)
- From the center4 miles
- Population123,475
- Jan 57° 42°
- Feb 63° 45°
- Mar 68° 46°
- Apr 73° 47°
- May 78° 51°
- Jun 83° 54°
- Jul 85° 56°
- Aug 86° 56°
- Sep 86° 57°
- Oct 79° 54°
- Nov 66° 47°
- Dec 58° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Vallejo in October?
The normal high is 79°F and the normal low 54°F, for a daily mean of 66.3°F. October is 5.0°F cooler than September and 10.0°F warmer than November. October is the 5th warmest month of the year in Vallejo and the 7th wettest. Across the month the normal high falls 11°F, from 84°F on October 1 to 73°F on October 31.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 84°F | 56°F | – | – |
| October 8 | 82°F | 55°F | – | – |
| October 15 | 80°F | 54°F | – | – |
| October 22 | 77°F | 53°F | – | – |
| October 31 | 73°F | 50°F | – | – |
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 | 56°F | – | – | 11 h 50 min |
| October 2 | 84°F | 56°F | – | – | 11 h 50 min |
| October 3 | 84°F | 56°F | – | – | 11 h 50 min |
| October 4 | 83°F | 56°F | – | – | 11 h 40 min |
| October 5 | 83°F | 56°F | – | – | 11 h 40 min |
| October 6 | 83°F | 56°F | – | – | 11 h 40 min |
| October 7 | 82°F | 55°F | – | – | 11 h 40 min |
| October 8 | 82°F | 55°F | – | – | 11 h 30 min |
| October 9 | 82°F | 55°F | – | – | 11 h 30 min |
| October 10 | 82°F | 55°F | – | – | 11 h 30 min |
| October 11 | 81°F | 55°F | – | – | 11 h 30 min |
| October 12 | 81°F | 55°F | – | – | 11 h 20 min |
| October 13 | 81°F | 54°F | – | – | 11 h 20 min |
| October 14 | 80°F | 54°F | – | – | 11 h 20 min |
| October 15 | 80°F | 54°F | – | – | 11 h 20 min |
| October 16 | 79°F | 54°F | – | – | 11 h 10 min |
| October 17 | 79°F | 54°F | – | – | 11 h 10 min |
| October 18 | 79°F | 53°F | – | – | 11 h 10 min |
| October 19 | 78°F | 53°F | – | – | 11 h 10 min |
| October 20 | 78°F | 53°F | – | – | 11 h |
| October 21 | 77°F | 53°F | – | – | 11 h |
| October 22 | 77°F | 53°F | – | – | 11 h |
| October 23 | 76°F | 52°F | – | – | 11 h |
| October 24 | 76°F | 52°F | – | – | 11 h |
| October 25 | 76°F | 52°F | – | – | 10 h 50 min |
| October 26 | 75°F | 52°F | – | – | 10 h 50 min |
| October 27 | 75°F | 51°F | – | – | 10 h 50 min |
| October 28 | 74°F | 51°F | – | – | 10 h 50 min |
| October 29 | 74°F | 51°F | – | – | 10 h 40 min |
| October 30 | 73°F | 51°F | – | – | 10 h 40 min |
| October 31 | 73°F | 50°F | – | – | 10 h 40 min |
- Normal high
- 79°FOctober average
- Normal low
- 54°FOctober average
- Precipitation
- 1.02 inmonth total
- Days at 90°F or more
- 3
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 27
- Days at 80°F or more
- 14
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00049219; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Vallejo in October?
In a normal October in Vallejo, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00049219.
What are the records for October in Vallejo?
The October mean against the 1991-2020 normal of 66.3°F: 2021 63.8°F (−2.5), 2022 64.9°F (−1.4), 2023 67.3°F (+1.0), 2024 70.3°F (+4.0), 2025 64.7°F (−1.6). 2 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.8°F | −2.5°F | 5.07 in |
| 2022 | 64.9°F | −1.4°F | 0.00 in |
| 2023 | 67.3°F | +1.0°F | 0.27 in |
| 2024 | 70.3°F | +4.0°F | 0.00 in |
| 2025 | 64.7°F | −1.6°F | 1.76 in |
Source: recent months: ACIS, station USC00049219. Records and recent months use complete months only.
How does October in Vallejo 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; Vallejo's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.