Porterville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porterville, a city in Tulare County, California.
Today
104°F
Sunny
Sunny, with a high near 104. West southwest wind around 5 mph.
7-day forecast for Porterville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny | 5 mph WSW | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph SSW | 0% |
| Wednesday | 104°F | Sunny | 5 to 10 mph WSW | 0% |
| Wednesday Night | 73°F | Clear | 0 to 10 mph S | 0% |
| Thursday | 103°F | Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 74°F | Clear | 0 to 10 mph SE | 0% |
| Friday | 103°F | Sunny | 5 to 10 mph SW | 0% |
| Friday Night | 74°F | Clear | 0 to 10 mph ENE | 0% |
| Saturday | 104°F | Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 75°F | Clear | 5 to 10 mph ESE | 0% |
| Sunday | 104°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 73°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Monday | 101°F | Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 70°F | Mostly Clear | 5 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Porterville (36.064, -119.034). Updated through the day.
Growing snapshot for Porterville
Last spring frost
Feb 20
First fall frost
Nov 30
Growing season
284 days
Hardiness zone
9b
More local growing data for Porterville: nearby ZIP 93267 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Lindsay, Ca (4.3 mi from Porterville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.