Highlands, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highlands, a community in San Mateo County, California.
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 69 in the afternoon. West wind 13 to 16 mph, with gusts as high as 24 mph.
7-day forecast for Highlands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 13 to 16 mph W | 0% |
| Tonight | 56°F | Partly Cloudy | 6 to 15 mph WSW | 1% |
| Saturday | 75°F | Mostly Sunny | 5 to 14 mph WSW | 0% |
| Saturday Night | 56°F | Mostly Cloudy | 8 to 14 mph WSW | 1% |
| Sunday | 68°F | Partly Sunny | 8 to 13 mph W | 4% |
| Sunday Night | 56°F | Mostly Cloudy | 7 to 13 mph W | 4% |
| Monday | 70°F | Mostly Sunny | 6 to 13 mph WSW | 1% |
| Monday Night | 56°F | Partly Cloudy | 6 to 13 mph WSW | 0% |
| Tuesday | 73°F | Mostly Sunny | 5 to 13 mph WSW | 0% |
| Tuesday Night | 56°F | Partly Cloudy | 3 to 13 mph WSW | 0% |
| Wednesday | 82°F | Sunny | 2 to 12 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 to 12 mph W | 0% |
| Thursday | 83°F | Sunny | 2 to 12 mph W | 0% |
| Thursday Night | 59°F | Partly Cloudy | 5 to 12 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Highlands (37.520, -122.346). Updated through the day.
Growing snapshot for Highlands
Last spring frost
Dec 29
First fall frost
Dec 26
Growing season
365 days
Hardiness zone
10a
More local growing data for Highlands: nearby ZIP 94402 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Francisco Intl Ap, Ca (5.8 mi from Highlands). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.