Hayward, CA Weather & Growing Conditions
This Afternoon
59°F
Chance Light Rain
A chance of rain. Partly sunny. High near 59, with temperatures falling to around 55 in the afternoon. South southwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Chance Light Rain | 2 to 6 mph SSW | 49% |
| Tonight | 49°F | Chance Light Rain then Mostly Cloudy | 2 to 6 mph ESE | 38% |
| Wednesday | 62°F | Sunny | 2 to 7 mph N | 1% |
| Wednesday Night | 50°F | Mostly Cloudy | 1 to 6 mph WNW | 0% |
| Thursday | 66°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 50°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Friday | 68°F | Sunny | 1 to 5 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 3 mph NE | 0% |
| Saturday | 72°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 53°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 70°F | Mostly Sunny | 5 mph NNE | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 1 to 5 mph WSW | 0% |
| Monday | 67°F | Partly Sunny | 1 to 5 mph S | 1% |
| Monday Night | 53°F | Mostly Cloudy | 5 mph SSW | 1% |
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
9b
Explore more for Hayward, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hayward Air Terminal, Ca (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.