Whitmore, CA Weather & Growing Conditions
This Afternoon
53°F
Chance Light Rain
A chance of rain before 4pm, then patchy fog between 4pm and 5pm, then haze and areas of fog. Mostly cloudy. High near 53, with temperatures falling to around 47 in the afternoon. Northwest wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Chance Light Rain | 0 to 3 mph NW | 32% |
| Tonight | 37°F | Haze | 0 to 3 mph ENE | 2% |
| Wednesday | 61°F | Patchy Frost then Mostly Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 0 to 5 mph ENE | 0% |
| Thursday | 66°F | Sunny | 0 to 6 mph N | 0% |
| Thursday Night | 45°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 71°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Friday Night | 48°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Saturday | 70°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 2 mph E | 0% |
| Sunday | 68°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 2 mph ENE | 1% |
| Monday | 65°F | Mostly Sunny | 2 mph E | 6% |
| Monday Night | 46°F | Partly Cloudy | 2 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Whitmore, CA
Last spring frost
Jun 9
First fall frost
Sep 21
Growing season
102 days
Hardiness zone
9a
Explore more for Whitmore, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Manzanita Lake, Ca (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.