Douglas Flat, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Douglas Flat, a community in Calaveras County, California.
This Afternoon
61°F
Light Rain
Rain. Mostly cloudy. High near 61, with temperatures falling to around 55 in the afternoon. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Douglas Flat
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Light Rain | 6 mph SE | 79% |
| Tonight | 41°F | Slight Chance Light Rain then Mostly Clear | 6 mph ENE | 16% |
| Wednesday | 63°F | Sunny | 2 to 6 mph NW | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph NNE | 0% |
| Thursday | 65°F | Sunny | 3 mph W | 0% |
| Thursday Night | 44°F | Clear | 5 mph NNE | 0% |
| Friday | 68°F | Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 49°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 74°F | Sunny | 0 to 6 mph SE | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 7 mph ESE | 0% |
| Sunday | 74°F | Sunny | 0 to 6 mph ENE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 6 mph E | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Monday Night | 50°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Douglas Flat (38.115, -120.453). Updated through the day.
Growing snapshot for Douglas Flat
Last spring frost
Feb 20
First fall frost
Dec 11
Growing season
290 days
Hardiness zone
9a
More local growing data for Douglas Flat: nearby ZIP 95247 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, New Melones Dam Hq, Ca (9.4 mi from Douglas Flat). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.