Challenge-Brownsville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Challenge-Brownsville, a community in Yuba County, California.
Overnight
59°F
Clear
Clear. Low around 59, with temperatures rising to around 61 overnight. Northeast wind around 6 mph.
7-day forecast for Challenge-Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Clear | 6 mph NE | 0% |
| Saturday | 84°F | Sunny | 1 to 7 mph NNW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Sunday | 81°F | Partly Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 60°F | Mostly Cloudy | 3 mph ENE | 0% |
| Monday | 81°F | Mostly Sunny | 5 mph NW | 0% |
| Monday Night | 58°F | Mostly Clear | 3 mph ENE | 0% |
| Tuesday | 82°F | Sunny | 3 mph NW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 86°F | Sunny | 1 to 5 mph ENE | 0% |
| Wednesday Night | 61°F | Mostly Clear | 3 mph ENE | 0% |
| Thursday | 88°F | Sunny | 3 mph SE | 0% |
| Thursday Night | 62°F | Mostly Clear | 3 mph ESE | 1% |
| Friday | 83°F | Mostly Sunny | 5 mph SSE | 1% |
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 Sep 19, 2026.