Harman US

East Porterville, CA Weather & Growing Conditions

Overnight
72°F
Clear
Clear. Low around 72, with temperatures rising to around 77 overnight. South southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 72°F Clear 5 mph SSE 0%
Tuesday 102°F Sunny 5 to 10 mph SW 0%
Tuesday Night 73°F Clear 0 to 5 mph SE 0%
Wednesday 102°F Sunny 5 to 10 mph WSW 0%
Wednesday Night 73°F Clear 0 to 10 mph ESE 0%
Thursday 102°F Sunny 5 to 10 mph WSW 0%
Thursday Night 74°F Clear 0 to 10 mph ENE 0%
Friday 101°F Sunny 5 to 10 mph SW 0%
Friday Night 74°F Clear 0 to 10 mph ENE 0%
Saturday 102°F Sunny 5 to 10 mph SW 0%
Saturday Night 75°F Clear 0 to 10 mph NE 0%
Sunday 102°F Sunny 5 to 10 mph WSW 0%
Sunday Night 73°F Mostly Clear 5 to 10 mph SSW 0%
Monday 99°F Sunny 5 to 10 mph WSW 2%

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

Growing snapshot for East Porterville, CA

Last spring frost
Jan 20
First fall frost
Dec 13
Growing season
330 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Porterville, Ca (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.