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.
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 75 in the afternoon. Northwest wind 5 to 9 mph.
7-day forecast for Emerald Lake Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 5 to 9 mph NW | 0% |
| Tonight | 55°F | Mostly Cloudy | 3 to 9 mph WSW | 0% |
| Sunday | 72°F | Mostly Cloudy | 3 to 7 mph W | 2% |
| Sunday Night | 56°F | Mostly Cloudy | 2 to 7 mph W | 3% |
| Monday | 74°F | Mostly Sunny | 2 to 7 mph WSW | 2% |
| Monday Night | 55°F | Partly Cloudy | 2 to 7 mph WSW | 2% |
| Tuesday | 76°F | Mostly Sunny | 2 to 6 mph WSW | 1% |
| Tuesday Night | 54°F | Mostly Clear | 1 to 6 mph WSW | 0% |
| Wednesday | 85°F | Sunny | 1 to 7 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 7 mph WNW | 0% |
| Thursday | 88°F | Sunny | 0 to 7 mph NW | 0% |
| Thursday Night | 59°F | Mostly Clear | 2 to 7 mph W | 0% |
| Friday | 82°F | Sunny | 2 to 8 mph W | 0% |
| Friday Night | 56°F | Mostly Clear | 2 to 8 mph W | 0% |
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 Sep 20, 2026.