Click on a day for an hourly weather forecast
The temperatures in Chula Vista in October are comfortable with low of 18°C and and high up to 25°C.
You can expect a few rainy days in Chula Vista during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Chula Vista in October 2025.
If you’re planning to visit Chula Vista in the near future, we highly recommend that you review the 14 day weather forecast for Chula Vista before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 11° | 2 | 29 | 0 | 56 mm | Good | Chula Vista in January |
| February | 19° / 11° | 2 | 26 | 0 | 66 mm | Good | Chula Vista in February |
| March | 19° / 12° | 2 | 29 | 0 | 44 mm | Good | Chula Vista in March |
| April | 20° / 13° | 1 | 29 | 0 | 16 mm | Good | Chula Vista in April |
| May | 21° / 14° | 1 | 30 | 0 | 19 mm | Good | Chula Vista in May |
| June | 23° / 17° | 0 | 30 | 0 | 5 mm | Perfect | Chula Vista in June |
| July | 26° / 20° | 1 | 30 | 0 | 25 mm | Perfect | Chula Vista in July |
| August | 27° / 21° | 1 | 30 | 0 | 21 mm | Perfect | Chula Vista in August |
| September | 27° / 20° | 1 | 29 | 0 | 15 mm | Perfect | Chula Vista in September |
| October | 25° / 18° | 1 | 30 | 0 | 10 mm | Perfect | Chula Vista in October |
| November | 22° / 15° | 1 | 29 | 0 | 34 mm | Good | Chula Vista in November |
| December | 18° / 11° | 2 | 29 | 0 | 60 mm | Good | Chula Vista in December |