San Leandro, CA Weather & Growing Conditions
Overnight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Partly Cloudy | 3 mph NW | 0% |
| Tuesday | 81°F | Haze then Sunny | 2 to 12 mph WNW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 2 to 10 mph NW | 0% |
| Wednesday | 79°F | Mostly Sunny | 3 to 10 mph WNW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 2 to 10 mph W | 0% |
| Thursday | 78°F | Mostly Sunny | 2 to 12 mph W | 0% |
| Thursday Night | 60°F | Partly Cloudy | 3 to 12 mph W | 0% |
| Friday | 81°F | Mostly Sunny | 3 to 12 mph W | 0% |
| Friday Night | 62°F | Partly Cloudy | 2 to 12 mph W | 0% |
| Saturday | 77°F | Mostly Sunny | 2 to 12 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 6 to 12 mph WSW | 0% |
| Sunday | 73°F | Sunny | 6 to 13 mph WSW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 9 to 13 mph WSW | 0% |
| Monday | 70°F | Mostly Sunny | 9 to 14 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 2
First fall frost
Dec 25
Growing season
365 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, Hayward Air Terminal, Ca (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.