Porterville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porterville, a city in Tulare County, California.
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind 0 to 5 mph.
7-day forecast for Porterville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SW | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph ENE | 0% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 50°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Friday | 72°F | Sunny | 0 to 5 mph WNW | 0% |
| Friday Night | 52°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Saturday | 77°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 55°F | Mostly Clear | 0 mph | 0% |
| Sunday | 77°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 0 mph | 0% |
| Monday | 76°F | Mostly Sunny | 0 mph | 0% |
| Monday Night | 54°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 74°F | Mostly Sunny | 0 mph | 0% |
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
Nearby towns & communities
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East Tulare Villa
El Monte Mobile Village
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Hartland
Hypericum
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Lindsay
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London
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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 Nov 4, 2026.