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Herlong, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Herlong, a community in Lassen County, California.

Overnight
58°F
Haze
Haze and patchy smoke. Mostly clear, with a low around 58. Southwest wind around 0 mph.

7-day forecast for Herlong

WhenTempForecastWindPrecip
Overnight 58°F Haze 0 mph 0%
Tuesday 100°F Haze 0 to 5 mph E 0%
Tuesday Night 61°F Patchy Smoke then Mostly Clear 5 mph W 0%
Wednesday 102°F Sunny 5 to 10 mph W 0%
Wednesday Night 60°F Clear 5 to 10 mph W 0%
Thursday 103°F Sunny 0 to 10 mph W 0%
Thursday Night 62°F Mostly Clear 5 to 10 mph W 0%
Friday 102°F Sunny 0 to 10 mph W 0%
Friday Night 63°F Mostly Clear 5 to 10 mph W 0%
Saturday 103°F Sunny 0 to 15 mph W 0%
Saturday Night 62°F Clear 5 to 15 mph SW 0%
Sunday 100°F Sunny 5 to 15 mph SW 0%
Sunday Night 59°F Clear 5 to 15 mph SW 0%
Monday 98°F Sunny 5 to 15 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Herlong (40.142, -120.140). Updated through the day.

Growing snapshot for Herlong

Last spring frost
May 21
First fall frost
Oct 1
Growing season
130 days
Hardiness zone
7a

More local growing data for Herlong: nearby ZIP 96113 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Doyle 4 Sse, Ca (15.3 mi from Herlong). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.