Pleasanton, CA Weather & Growing Conditions
This Afternoon
81°F
Sunny
Sunny, with a high near 81. West wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 6 mph W | 0% |
| Tonight | 55°F | Mostly Clear | 1 to 5 mph SW | 0% |
| Saturday | 86°F | Sunny | 0 to 5 mph WSW | 0% |
| Saturday Night | 56°F | Partly Cloudy | 3 mph WSW | 0% |
| Sunday | 78°F | Partly Sunny | 5 mph WSW | 3% |
| Sunday Night | 55°F | Mostly Cloudy | 5 mph WSW | 3% |
| Monday | 81°F | Mostly Sunny | 2 to 8 mph WSW | 0% |
| Monday Night | 56°F | Mostly Clear | 2 to 8 mph WSW | 0% |
| Tuesday | 85°F | Sunny | 2 to 7 mph WSW | 0% |
| Tuesday Night | 58°F | Mostly Clear | 0 to 7 mph WSW | 0% |
| Wednesday | 96°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 96°F | Sunny | 0 to 7 mph WNW | 0% |
| Thursday Night | 62°F | Mostly Clear | 1 to 7 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pleasanton, CA
Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b
Explore more for Pleasanton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Livermore, Ca (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.