Hayward, CA Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 72 in the afternoon. West wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 10 mph W | 0% |
| Tonight | 59°F | Mostly Cloudy | 3 to 8 mph WSW | 0% |
| Saturday | 78°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 59°F | Mostly Cloudy | 7 mph WSW | 0% |
| Sunday | 71°F | Mostly Cloudy | 5 to 8 mph WSW | 4% |
| Sunday Night | 59°F | Mostly Cloudy | 5 to 8 mph WSW | 4% |
| Monday | 74°F | Mostly Sunny | 5 to 9 mph WSW | 0% |
| Monday Night | 59°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
| Tuesday | 77°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Tuesday Night | 59°F | Partly Cloudy | 1 to 9 mph SW | 0% |
| Wednesday | 86°F | Sunny | 1 to 8 mph SW | 0% |
| Wednesday Night | 62°F | Mostly Clear | 1 to 8 mph WSW | 0% |
| Thursday | 87°F | Sunny | 1 to 9 mph W | 0% |
| Thursday Night | 62°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hayward, CA
Last spring frost
Jan 2
First fall frost
Dec 25
Growing season
365 days
Hardiness zone
10a
Explore more for Hayward, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hayward Air Terminal, Ca (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.