Mad River, CA Weather & Growing Conditions
Today
55°F
Areas Of Frost then Partly Sunny
Areas of frost and patchy fog before 10am. Partly sunny. High near 55, with temperatures falling to around 50 in the afternoon. Northwest wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Areas Of Frost then Partly Sunny | 2 to 7 mph NW | 2% |
| Tonight | 32°F | Patchy Fog | 1 to 6 mph NNW | 2% |
| Thursday | 60°F | Areas Of Frost then Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 35°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Friday | 63°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 39°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Saturday | 66°F | Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 39°F | Partly Cloudy then Patchy Fog | 2 mph SW | 6% |
| Sunday | 60°F | Patchy Fog then Partly Sunny | 0 to 5 mph NW | 6% |
| Sunday Night | 39°F | Mostly Cloudy | 2 mph NW | 1% |
| Monday | 58°F | Partly Sunny | 0 to 5 mph W | 6% |
| Monday Night | 37°F | Slight Chance Light Rain | 0 to 3 mph N | 15% |
| Tuesday | 59°F | Slight Chance Light Rain | 0 to 5 mph S | 21% |
| Tuesday Night | 40°F | Chance Light Rain | 2 to 6 mph SE | 36% |
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 Nov 4, 2026.