Emerald Lake Hills, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Emerald Lake Hills, a community in San Mateo County, California.
Today
65°F
Sunny
Sunny. High near 65, with temperatures falling to around 62 in the afternoon. North wind 3 to 13 mph, with gusts as high as 23 mph.
7-day forecast for Emerald Lake Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Sunny | 3 to 13 mph N | 2% |
| Tonight | 50°F | Mostly Cloudy | 1 to 12 mph NW | 2% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 49°F | Clear | 1 to 5 mph NE | 0% |
| Friday | 73°F | Sunny | 3 mph NNE | 0% |
| Friday Night | 50°F | Mostly Clear | 0 to 3 mph N | 0% |
| Saturday | 76°F | Sunny | 2 mph NNE | 0% |
| Saturday Night | 50°F | Mostly Clear | 3 mph NW | 0% |
| Sunday | 71°F | Sunny | 5 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Monday | 69°F | Mostly Sunny | 1 to 5 mph NW | 3% |
| Monday Night | 52°F | Partly Cloudy | 1 to 5 mph WNW | 3% |
| Tuesday | 69°F | Sunny | 0 to 3 mph NNW | 6% |
| Tuesday Night | 52°F | Mostly Clear | 3 mph WSW | 14% |
Forecast source: National Weather Service (api.weather.gov) for Emerald Lake Hills (37.466, -122.265). Updated through the day.
Growing snapshot for Emerald Lake Hills
Last spring frost
Jan 17
First fall frost
Dec 12
Growing season
333 days
Hardiness zone
10a
More local growing data for Emerald Lake Hills: nearby ZIP 94061 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Redwood City, Ca (1.1 mi from Emerald Lake Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.