Mad River, CA Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. North wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 1 to 5 mph N | 0% |
| Sunday | 76°F | Partly Sunny | 1 to 6 mph NW | 1% |
| Sunday Night | 48°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Monday | 76°F | Sunny | 0 to 6 mph NW | 0% |
| Monday Night | 47°F | Mostly Clear then Patchy Fog | 0 to 6 mph N | 0% |
| Tuesday | 72°F | Patchy Fog then Sunny | 0 to 7 mph NNW | 0% |
| Tuesday Night | 44°F | Mostly Clear then Patchy Fog | 1 to 7 mph N | 0% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 1 to 7 mph NNW | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 1 to 7 mph NNE | 0% |
| Thursday | 74°F | Mostly Sunny | 1 to 7 mph NW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 6 mph N | 3% |
| Friday | 69°F | Mostly Sunny | 0 to 7 mph NW | 3% |
| Friday Night | 44°F | Partly Cloudy | 0 to 6 mph NNW | 3% |
| Saturday | 69°F | Mostly Sunny | 0 to 6 mph NNW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mad River, CA
Last spring frost
Mar 4
First fall frost
Nov 22
Growing season
264 days
Hardiness zone
9a
Explore more for Mad River, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Grizzly Creek Sp, Ca (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.