San Leandro, CA Weather & Growing Conditions
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 2 mph NW | 0% |
| Tuesday | 83°F | Haze then Sunny | 2 to 10 mph WNW | 0% |
| Tuesday Night | 59°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Wednesday | 82°F | Mostly Sunny | 2 to 9 mph WNW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 2 to 9 mph W | 0% |
| Thursday | 80°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Thursday Night | 60°F | Partly Cloudy | 2 to 9 mph W | 0% |
| Friday | 84°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Friday Night | 62°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
| Saturday | 83°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 62°F | Partly Cloudy | 5 to 9 mph WSW | 0% |
| Sunday | 78°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 7 to 10 mph WSW | 0% |
| Monday | 75°F | Mostly Sunny | 7 to 12 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Leandro, CA
Last spring frost
Jan 7
First fall frost
Dec 23
Growing season
356 days
Hardiness zone
10a
Explore more for San Leandro, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Oakland Metro Intl Ap, Ca (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.