Challenge-Brownsville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Challenge-Brownsville, a community in Yuba County, California.
Today
96°F
Sunny
Sunny. High near 96, with temperatures falling to around 94 in the afternoon. South wind around 3 mph.
7-day forecast for Challenge-Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 3 mph S | 0% |
| Tonight | 69°F | Mostly Clear | 3 mph ESE | 0% |
| Wednesday | 95°F | Sunny | 3 mph SSE | 0% |
| Wednesday Night | 68°F | Clear | 3 mph ESE | 0% |
| Thursday | 95°F | Sunny | 3 mph SE | 0% |
| Thursday Night | 68°F | Clear | 3 mph ESE | 0% |
| Friday | 96°F | Sunny | 3 mph SW | 0% |
| Friday Night | 70°F | Clear | 2 mph ESE | 0% |
| Saturday | 96°F | Sunny | 3 mph SE | 0% |
| Saturday Night | 70°F | Clear | 3 mph ESE | 0% |
| Sunday | 93°F | Sunny | 3 mph SE | 0% |
| Sunday Night | 68°F | Clear | 3 mph ESE | 1% |
| Monday | 89°F | Sunny | 5 mph SSE | 1% |
| Monday Night | 64°F | Mostly Clear | 5 mph SE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Challenge-Brownsville (39.465, -121.263). Updated through the day.
Growing snapshot for Challenge-Brownsville
Last spring frost
Apr 1
First fall frost
Nov 17
Growing season
229 days
Hardiness zone
9a
More local growing data for Challenge-Brownsville: nearby ZIP 95919 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Beale AFB
Camptonville
Dobbins
Linda
Loma Rica
Marysville
North San Juan
Olivehurst
Plumas Lake
Rackerby
Smartsville
Wheatland
Climate data from the nearest NOAA station, Dobbins 1 S, Ca (6.3 mi from Challenge-Brownsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.