Challenge-Brownsville, CA Weather & Growing Conditions
Overnight
41°F
Mostly Clear
Mostly clear, with a low around 41. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Mostly Clear | 6 mph NE | 0% |
| Wednesday | 64°F | Sunny | 1 to 6 mph NW | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Thursday | 69°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 46°F | Mostly Clear | 1 to 6 mph N | 0% |
| Friday | 70°F | Sunny | 0 to 6 mph N | 0% |
| Friday Night | 48°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Saturday | 71°F | Sunny | 0 to 6 mph N | 0% |
| Saturday Night | 48°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Sunday | 71°F | Sunny | 0 to 5 mph WNW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 3 mph NE | 0% |
| Monday | 68°F | Mostly Sunny | 0 to 3 mph ESE | 1% |
| Monday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Tuesday | 68°F | Sunny then Slight Chance Light Rain | 1 to 5 mph SSE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Challenge-Brownsville, CA
Last spring frost
Apr 1
First fall frost
Nov 17
Growing season
229 days
Hardiness zone
9a
Explore more for Challenge-Brownsville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Dobbins 1 S, Ca (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.