Foresthill, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foresthill, a community in Placer County, California.
This Afternoon
55°F
Light Rain
Rain before 3pm, then haze and rain likely between 3pm and 5pm, then a chance of rain and patchy fog. Mostly cloudy. High near 55, with temperatures falling to around 49 in the afternoon. Southeast wind 1 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Foresthill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Light Rain | 1 to 5 mph SE | 93% |
| Tonight | 41°F | Chance Light Rain then Partly Cloudy | 1 to 5 mph ENE | 27% |
| Wednesday | 61°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph NNE | 0% |
| Thursday | 64°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 45°F | Clear | 2 to 6 mph NE | 0% |
| Friday | 68°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 49°F | Mostly Clear | 0 to 6 mph NE | 0% |
| Saturday | 70°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 6 mph NE | 0% |
| Sunday | 70°F | Mostly Sunny | 0 to 5 mph SSE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 3 mph NE | 0% |
| Monday | 67°F | Mostly Sunny | 0 to 3 mph ESE | 2% |
| Monday Night | 51°F | Partly Cloudy | 0 to 3 mph NE | 2% |
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 Nov 4, 2026.