Meridian, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Meridian, a community in Colusa County, California.
Tonight
58°F
Partly Cloudy
Partly cloudy. Low around 58, with temperatures rising to around 60 overnight. East southeast wind 1 to 5 mph.
7-day forecast for Meridian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Sunday | 86°F | Mostly Sunny | 5 mph SE | 0% |
| Sunday Night | 58°F | Mostly Cloudy | 5 mph SE | 0% |
| Monday | 88°F | Sunny | 2 to 7 mph SSE | 0% |
| Monday Night | 55°F | Mostly Clear | 2 to 7 mph SE | 0% |
| Tuesday | 87°F | Sunny | 2 to 6 mph SE | 0% |
| Tuesday Night | 58°F | Mostly Clear | 1 to 6 mph ESE | 0% |
| Wednesday | 89°F | Sunny | 3 mph NNE | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Thursday | 92°F | Sunny | 5 mph NNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 5 mph SSE | 0% |
| Friday | 89°F | Sunny | 2 to 7 mph SSE | 1% |
| Friday Night | 59°F | Mostly Clear | 2 to 7 mph SSE | 1% |
| Saturday | 84°F | Sunny | 3 to 7 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Meridian (39.140, -121.908). Updated through the day.
Growing snapshot for Meridian
Last spring frost
Feb 14
First fall frost
Dec 1
Growing season
293 days
Hardiness zone
9b
More local growing data for Meridian: nearby ZIP 95950 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colusa 2 Ssw, Ca (11.5 mi from Meridian). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.