Harman US

Holtville, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Holtville, a city in Imperial County, California.

This Afternoon
100°F
Sunny
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. West wind around 0 mph.

7-day forecast for Holtville

WhenTempForecastWindPrecip
This Afternoon 100°F Sunny 0 mph 0%
Tonight 72°F Mostly Clear 0 to 10 mph WNW 0%
Saturday 101°F Sunny 0 to 5 mph NW 0%
Saturday Night 72°F Mostly Clear 0 to 5 mph W 0%
Sunday 100°F Mostly Sunny 0 to 5 mph SE 0%
Sunday Night 77°F Mostly Cloudy 0 to 5 mph SE 0%
Monday 99°F Sunny 0 to 5 mph WSW 0%
Monday Night 72°F Clear 5 to 10 mph WNW 0%
Tuesday 100°F Sunny 0 to 5 mph NNW 3%
Tuesday Night 75°F Clear 0 to 5 mph NW 3%
Wednesday 103°F Sunny 0 to 5 mph ESE 1%
Wednesday Night 78°F Mostly Clear 0 to 5 mph SE 3%
Thursday 104°F Sunny 5 mph ESE 5%
Thursday Night 81°F Mostly Clear 0 to 5 mph E 5%

Forecast source: National Weather Service (api.weather.gov) for Holtville (32.814, -115.378). Updated through the day.

Growing snapshot for Holtville

Last spring frost
Jan 3
First fall frost
Dec 27
Growing season
363 days
Hardiness zone
10a

More local growing data for Holtville: nearby ZIP 92249 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

All California locations ›

Climate data from the nearest NOAA station, El Centro 2 Ssw, Ca (5.4 mi from Holtville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.