Riverdale Park, CA Weather & Growing Conditions
Today
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 6 to 14 mph NW | 1% |
| Tonight | 48°F | Mostly Cloudy | 5 mph NNW | 1% |
| Thursday | 71°F | Mostly Sunny | 2 to 10 mph NW | 0% |
| Thursday Night | 45°F | Clear then Patchy Fog | 0 to 5 mph NW | 0% |
| Friday | 73°F | Patchy Fog then Sunny | 1 to 5 mph NW | 0% |
| Friday Night | 47°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Saturday | 75°F | Sunny | 0 to 3 mph ESE | 0% |
| Saturday Night | 48°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 75°F | Sunny | 1 to 5 mph NW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Monday Night | 49°F | Partly Cloudy | 3 mph NW | 1% |
| Tuesday | 74°F | Sunny | 2 mph NNW | 3% |
| Tuesday Night | 50°F | Mostly Clear | 2 mph N | 7% |
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 Nov 4, 2026.