San Leandro, CA Weather & Growing Conditions
Today
66°F
Sunny
Sunny. High near 66, with temperatures falling to around 64 in the afternoon. North northwest wind 2 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Sunny | 2 to 10 mph NNW | 2% |
| Tonight | 51°F | Mostly Cloudy then Patchy Fog | 2 to 8 mph NNW | 2% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 2 to 6 mph NNE | 0% |
| Thursday Night | 50°F | Mostly Clear | 5 mph WNW | 0% |
| Friday | 71°F | Sunny | 2 to 6 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 0 to 6 mph ESE | 0% |
| Saturday | 73°F | Sunny | 2 to 6 mph N | 0% |
| Saturday Night | 55°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Sunday | 70°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 1 to 7 mph WSW | 0% |
| Monday | 69°F | Partly Sunny | 1 to 8 mph WSW | 3% |
| Monday Night | 55°F | Partly Cloudy | 2 to 8 mph SW | 3% |
| Tuesday | 68°F | Mostly Sunny | 1 to 7 mph NW | 5% |
| Tuesday Night | 56°F | Partly Cloudy | 2 to 7 mph SW | 14% |
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 Nov 4, 2026.