Click on a day for an hourly weather forecast
The temperatures in Pleasanton in October are comfortable with low of 13°C and and high up to 25°C.
The wather in Pleasanton in October can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Pleasanton in October 2025.
If you’re planning to visit Pleasanton in the near future, we highly recommend that you review the 14 day weather forecast for Pleasanton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 6° | 5 | 26 | 0 | 102 mm | Good | Pleasanton in January |
| February | 16° / 6° | 4 | 24 | 0 | 91 mm | Good | Pleasanton in February |
| March | 18° / 7° | 5 | 26 | 0 | 95 mm | Good | Pleasanton in March |
| April | 20° / 8° | 2 | 28 | 0 | 40 mm | Good | Pleasanton in April |
| May | 23° / 10° | 2 | 30 | 0 | 19 mm | Perfect | Pleasanton in May |
| June | 28° / 13° | 1 | 29 | 0 | 7 mm | Perfect | Pleasanton in June |
| July | 30° / 14° | 0 | 31 | 0 | 4 mm | Good | Pleasanton in July |
| August | 30° / 15° | 0 | 31 | 0 | 2 mm | Good | Pleasanton in August |
| September | 30° / 15° | 0 | 30 | 0 | 7 mm | Good | Pleasanton in September |
| October | 25° / 13° | 2 | 29 | 0 | 33 mm | Perfect | Pleasanton in October |
| November | 19° / 9° | 3 | 27 | 0 | 58 mm | Good | Pleasanton in November |
| December | 14° / 7° | 5 | 26 | 0 | 84 mm | Good | Pleasanton in December |