Marysville, CA Weather & Growing Conditions
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 66 in the afternoon. Northwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 2 to 8 mph NW | 1% |
| Tonight | 43°F | Partly Cloudy then Patchy Fog | 2 mph NNE | 1% |
| Thursday | 71°F | Patchy Fog then Sunny | 3 mph WNW | 0% |
| Thursday Night | 44°F | Mostly Clear | 2 mph NE | 0% |
| Friday | 71°F | Sunny | 3 mph NW | 0% |
| Friday Night | 45°F | Mostly Clear | 2 mph NE | 0% |
| Saturday | 73°F | Sunny | 2 mph W | 0% |
| Saturday Night | 46°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 73°F | Sunny | 0 to 3 mph NNW | 0% |
| Sunday Night | 46°F | Partly Cloudy | 1 mph NE | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph NNW | 0% |
| Monday Night | 46°F | Partly Cloudy | 1 mph NNE | 1% |
| Tuesday | 73°F | Sunny | 2 mph NNW | 3% |
| Tuesday Night | 48°F | Partly Cloudy | 2 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marysville, CA
Last spring frost
Jan 15
First fall frost
Dec 12
Growing season
333 days
Hardiness zone
9b
Explore more for Marysville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Marysville, Ca (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.