Harman US

Riverdale Park, CA Weather & Growing Conditions

Overnight
64°F
Clear
Clear, with a low around 64. North wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 64°F Clear 3 mph N 0%
Tuesday 99°F Sunny 6 mph NNW 0%
Tuesday Night 62°F Clear 7 mph NNW 0%
Wednesday 97°F Sunny 6 mph NNW 0%
Wednesday Night 62°F Clear 7 mph NNW 0%
Thursday 98°F Sunny 5 to 8 mph NNW 0%
Thursday Night 63°F Clear 8 mph NW 0%
Friday 98°F Sunny 6 to 9 mph NNW 0%
Friday Night 65°F Clear 3 to 9 mph NW 0%
Saturday 100°F Sunny 5 to 8 mph NW 0%
Saturday Night 65°F Clear 2 to 8 mph NW 0%
Sunday 98°F Sunny 3 to 9 mph NW 0%
Sunday Night 62°F Mostly Clear 2 to 9 mph NW 0%
Monday 94°F Sunny 3 to 7 mph NNW 0%

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

Growing snapshot for Riverdale Park, CA

Last spring frost
Jan 31
First fall frost
Dec 5
Growing season
312 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Modesto City Co Ap, Ca (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.