Pleasanton, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pleasanton, a city in Alameda County, California.
Overnight
60°F
Clear
Clear, with a low around 60. West wind around 1 mph.
7-day forecast for Pleasanton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Clear | 1 mph W | 0% |
| Tuesday | 97°F | Sunny | 0 to 8 mph W | 0% |
| Tuesday Night | 60°F | Clear | 0 to 7 mph W | 0% |
| Wednesday | 95°F | Sunny | 0 to 7 mph SW | 0% |
| Wednesday Night | 61°F | Clear | 0 to 7 mph WSW | 0% |
| Thursday | 93°F | Sunny | 0 to 8 mph SW | 0% |
| Thursday Night | 62°F | Clear | 1 to 8 mph WSW | 0% |
| Friday | 97°F | Sunny | 0 to 8 mph WSW | 0% |
| Friday Night | 64°F | Clear | 0 to 8 mph WSW | 0% |
| Saturday | 97°F | Sunny | 0 to 8 mph SW | 0% |
| Saturday Night | 65°F | Mostly Clear | 1 to 8 mph WSW | 0% |
| Sunday | 91°F | Sunny | 1 to 9 mph WSW | 0% |
| Sunday Night | 61°F | Mostly Clear | 3 to 9 mph WSW | 0% |
| Monday | 86°F | Sunny | 3 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Pleasanton (37.667, -121.881). Updated through the day.
Growing snapshot for Pleasanton
Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b
More local growing data for Pleasanton: nearby ZIP 94566 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alameda
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Fairview
Fremont
Hayward
Kensington
Livermore
Mountain House
Newark
Oakland
Piedmont
San Leandro
San Lorenzo
Sunol
Union City
Climate data from the nearest NOAA station, Livermore, Ca (3.6 mi from Pleasanton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.