Hayfork, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hayfork, a community in Trinity County, California.
Today
106°F
Sunny
Sunny, with a high near 106. East southeast wind 0 to 12 mph.
7-day forecast for Hayfork
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 106°F | Sunny | 0 to 12 mph ESE | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 12 mph W | 0% |
| Wednesday | 104°F | Sunny | 0 to 7 mph SE | 0% |
| Wednesday Night | 58°F | Clear | 0 to 7 mph W | 0% |
| Thursday | 105°F | Sunny | 0 to 6 mph SE | 0% |
| Thursday Night | 58°F | Clear | 0 to 6 mph WNW | 0% |
| Friday | 106°F | Sunny | 0 to 6 mph N | 0% |
| Friday Night | 58°F | Clear | 0 to 6 mph WNW | 0% |
| Saturday | 102°F | Sunny | 0 to 9 mph NNW | 0% |
| Saturday Night | 55°F | Clear | 0 to 9 mph NW | 0% |
| Sunday | 99°F | Sunny | 0 to 8 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 8 mph WNW | 0% |
| Monday | 96°F | Sunny | 0 to 6 mph E | 0% |
| Monday Night | 50°F | Clear | 0 to 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hayfork (40.576, -123.124). Updated through the day.
Growing snapshot for Hayfork
Last spring frost
Apr 16
First fall frost
Oct 31
Growing season
197 days
Hardiness zone
8b
More local growing data for Hayfork: nearby ZIP 96041 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Burnt Ranch
Coffee Creek
Douglas City
Hyampom
Junction City
Lewiston
Mad River
Platina
Post Mountain
Ruth
Salyer
Trinity Center
Trinity Village
Weaverville
Climate data from the nearest NOAA station, Big Bar 4 E, Ca (15.7 mi from Hayfork). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.