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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.