Harman US

Deer Park, CA Weather & Growing Conditions

This Afternoon
56°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. East wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 56°F Chance Light Rain 3 mph E 51%
Tonight 43°F Chance Light Rain then Mostly Cloudy 5 mph NE 45%
Wednesday 67°F Sunny 5 mph NNW 1%
Wednesday Night 43°F Partly Cloudy 3 mph NW 0%
Thursday 71°F Sunny 0 to 3 mph NNW 0%
Thursday Night 45°F Mostly Clear 2 mph NNW 0%
Friday 74°F Sunny 2 mph NNW 0%
Friday Night 47°F Mostly Clear 2 mph N 0%
Saturday 74°F Sunny 3 mph NE 0%
Saturday Night 46°F Mostly Clear 2 mph NNW 0%
Sunday 73°F Mostly Sunny 3 mph NW 0%
Sunday Night 47°F Partly Cloudy 1 mph NW 0%
Monday 70°F Partly Sunny 2 mph W 2%
Monday Night 47°F Partly Cloudy 1 mph NNW 3%

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

Growing snapshot for Deer Park, CA

Last spring frost
Apr 7
First fall frost
Dec 5
Growing season
245 days
Hardiness zone
9b

Explore more for Deer Park, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Angwin Pacific Union College, Ca (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.