McSwain, CA Weather & Growing Conditions
This Afternoon
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 62 in the afternoon. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Partly Sunny | 5 mph NW | 9% |
| Tonight | 47°F | Partly Cloudy | 0 to 10 mph N | 9% |
| Wednesday | 69°F | Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Thursday | 70°F | Mostly Sunny | 0 to 10 mph NW | 0% |
| Thursday Night | 45°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 72°F | Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 46°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 75°F | Sunny | 0 mph | 0% |
| Saturday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Sunday | 76°F | Sunny | 0 mph | 0% |
| Sunday Night | 49°F | Partly Cloudy | 0 mph | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McSwain, CA
Last spring frost
Mar 3
First fall frost
Nov 24
Growing season
263 days
Hardiness zone
9a
Explore more for McSwain, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Merced, Ca (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.