Foresthill, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foresthill, a community in Placer County, California.
Overnight
72°F
Clear
Clear. Low around 72, with temperatures rising to around 74 overnight. East wind around 3 mph.
7-day forecast for Foresthill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Clear | 3 mph E | 0% |
| Tuesday | 94°F | Sunny | 6 mph S | 0% |
| Tuesday Night | 71°F | Clear | 3 mph ESE | 0% |
| Wednesday | 93°F | Sunny | 6 mph SE | 0% |
| Wednesday Night | 70°F | Clear | 5 mph SSE | 0% |
| Thursday | 93°F | Sunny | 6 mph SSE | 0% |
| Thursday Night | 72°F | Clear | 5 mph SSE | 0% |
| Friday | 94°F | Sunny | 6 mph SW | 0% |
| Friday Night | 72°F | Clear | 2 to 6 mph SSE | 0% |
| Saturday | 94°F | Sunny | 6 mph SSE | 0% |
| Saturday Night | 72°F | Clear | 2 to 6 mph SE | 0% |
| Sunday | 92°F | Sunny | 6 mph ESE | 0% |
| Sunday Night | 70°F | Mostly Clear | 6 mph SE | 0% |
| Monday | 88°F | Sunny | 3 to 7 mph SSE | 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 Aug 4, 2026.