Harman US

Hayfork, CA Weather & Growing Conditions

This Afternoon
48°F
Light Rain Likely
Rain likely before 4pm. Mostly cloudy, with a high near 48. South southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 48°F Light Rain Likely 8 mph SSE 66%
Tonight 34°F Partly Cloudy then Patchy Fog 2 to 6 mph SSW 6%
Wednesday 58°F Areas Of Fog then Partly Sunny 1 to 6 mph WNW 1%
Wednesday Night 34°F Partly Cloudy then Areas Of Fog 2 to 6 mph SW 1%
Thursday 63°F Areas Of Fog then Sunny 1 to 5 mph WNW 0%
Thursday Night 36°F Mostly Clear 2 mph WSW 0%
Friday 69°F Mostly Sunny 2 mph NNW 0%
Friday Night 38°F Mostly Clear 0 mph 0%
Saturday 72°F Sunny 2 mph SW 0%
Saturday Night 37°F Partly Cloudy 1 mph SW 1%
Sunday 65°F Mostly Sunny 1 mph NNW 1%
Sunday Night 36°F Mostly Cloudy then Patchy Fog 0 mph 5%
Monday 63°F Patchy Fog then Partly Sunny 1 mph WSW 8%
Monday Night 36°F Partly Cloudy then Slight Chance Light Rain 1 mph NW 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hayfork, CA

Last spring frost
Apr 16
First fall frost
Oct 31
Growing season
197 days
Hardiness zone
8b

Explore more for Hayfork, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Big Bar 4 E, Ca (15.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.