Sleepy Hollow, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sleepy Hollow, a community in Marin County, California.
This Afternoon
84°F
Sunny
Sunny. High near 84, with temperatures falling to around 76 in the afternoon. West southwest wind 2 to 10 mph.
7-day forecast for Sleepy Hollow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 2 to 10 mph WSW | 0% |
| Tonight | 53°F | Partly Cloudy | 3 to 10 mph WNW | 0% |
| Sunday | 74°F | Partly Sunny | 1 to 7 mph WSW | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 2 to 7 mph WSW | 0% |
| Monday | 73°F | Mostly Sunny | 2 to 9 mph WSW | 1% |
| Monday Night | 54°F | Partly Cloudy | 2 to 9 mph SW | 1% |
| Tuesday | 75°F | Mostly Sunny | 1 to 7 mph SW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 0 to 7 mph WSW | 0% |
| Wednesday | 87°F | Patchy Fog then Sunny | 0 to 6 mph S | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 6 mph WNW | 0% |
| Thursday | 90°F | Sunny | 0 to 7 mph WNW | 0% |
| Thursday Night | 58°F | Mostly Clear | 3 to 7 mph W | 0% |
| Friday | 82°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 3 to 9 mph W | 1% |
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
Nearby towns & communities
Alto
Belvedere
Black Point-Green Point
Bolinas
Corte Madera
Dillon Beach
Fairfax
Inverness
Kentfield
Lagunitas-Forest Knolls
Larkspur
Lucas Valley-Marinwood
Marin City
Mill Valley
Muir Beach
Nicasio
Novato
Petaluma Center
Point Reyes Station
Ross
San Anselmo
San Francisco
San Geronimo
San Rafael
Santa Venetia
Sausalito
Stinson Beach
Strawberry
Tamalpais-Homestead Valley
Tiburon
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 Sep 19, 2026.