Sleepy Hollow, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sleepy Hollow, a community in Marin County, California.
Today
92°F
Sunny
Sunny. High near 92, with temperatures falling to around 87 in the afternoon. South southwest wind 3 to 8 mph.
7-day forecast for Sleepy Hollow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 3 to 8 mph SSW | 1% |
| Tonight | 54°F | Mostly Clear | 2 to 8 mph WSW | 1% |
| Wednesday | 85°F | Sunny | 2 to 7 mph SW | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 7 mph WSW | 0% |
| Thursday | 83°F | Sunny | 1 to 7 mph WSW | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Friday | 89°F | Sunny | 1 to 7 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Saturday | 86°F | Sunny | 1 to 7 mph SW | 0% |
| Saturday Night | 58°F | Mostly Clear | 3 to 7 mph WSW | 0% |
| Sunday | 84°F | Sunny | 2 to 9 mph WSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 5 to 9 mph WSW | 0% |
| Monday | 76°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 54°F | Mostly Clear | 3 to 9 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sleepy Hollow (38.012, -122.588). Updated through the day.
Growing snapshot for Sleepy Hollow
Last spring frost
Jan 11
First fall frost
Dec 21
Growing season
349 days
Hardiness zone
9b
More local growing data for Sleepy Hollow: nearby ZIP 94960 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Rafael Civic Ctr, Ca (2.2 mi from Sleepy Hollow). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.