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Foresthill, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Foresthill, a community in Placer County, California.

This Afternoon
75°F
Sunny
Sunny, with a high near 75. West northwest wind around 5 mph.

7-day forecast for Foresthill

WhenTempForecastWindPrecip
This Afternoon 75°F Sunny 5 mph WNW 0%
Tonight 59°F Clear then Haze 2 to 6 mph NE 0%
Saturday 80°F Sunny 5 mph SSE 0%
Saturday Night 62°F Partly Cloudy 5 mph ENE 0%
Sunday 80°F Partly Sunny 5 mph E 0%
Sunday Night 63°F Mostly Cloudy 3 mph SSE 0%
Monday 80°F Mostly Sunny 5 mph W 1%
Monday Night 61°F Mostly Clear 3 mph E 0%
Tuesday 81°F Sunny 5 mph W 0%
Tuesday Night 62°F Clear 3 mph ENE 0%
Wednesday 86°F Sunny 5 mph WSW 0%
Wednesday Night 65°F Mostly Clear 3 to 7 mph NNW 0%
Thursday 88°F Sunny 5 mph SSE 0%
Thursday Night 66°F Mostly Clear 6 mph ESE 0%

Forecast source: National Weather Service (api.weather.gov) for Foresthill (39.005, -120.831). Updated through the day.

Growing snapshot for Foresthill

Last spring frost
Apr 12
First fall frost
Nov 21
Growing season
221 days
Hardiness zone
9a

More local growing data for Foresthill: nearby ZIP 95631 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Georgetown Rs, Ca (8.8 mi from Foresthill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.