Hamilton Branch, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamilton Branch, a community in Plumas County, California.
Today
47°F
Light Rain
Rain before 4pm, then areas of fog and a slight chance of rain. Mostly cloudy. High near 47, with temperatures falling to around 41 in the afternoon. South southwest wind 0 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hamilton Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 47°F | Light Rain | 0 to 8 mph SSW | 79% |
| Tonight | 29°F | Haze | 0 to 3 mph NE | 4% |
| Wednesday | 54°F | Patchy Fog then Mostly Sunny | 0 to 3 mph E | 0% |
| Wednesday Night | 29°F | Widespread Frost | 0 to 5 mph N | 0% |
| Thursday | 58°F | Widespread Frost then Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 29°F | Widespread Frost | 0 to 6 mph NNE | 0% |
| Friday | 62°F | Widespread Frost then Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 32°F | Mostly Clear | 0 to 8 mph NNE | 0% |
| Saturday | 64°F | Sunny | 0 to 6 mph ENE | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 62°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 2 mph WNW | 1% |
| Monday | 60°F | Mostly Sunny | 1 to 5 mph SSW | 5% |
| Monday Night | 33°F | Partly Cloudy | 2 mph NNW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Hamilton Branch (40.277, -121.096). Updated through the day.
Growing snapshot for Hamilton Branch
Last spring frost
May 18
First fall frost
Oct 8
Growing season
143 days
Hardiness zone
7b
More local growing data for Hamilton Branch: nearby ZIP 95923 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Belden
Blairsden
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C-Road
Canyondam
Caribou
Chester
Chilcoot-Vinton
Clear Creek
Clio
Crescent Mills
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East Quincy
East Shore
Gold Mountain
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Indian Falls
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Johnsville
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La Porte
Lake Almanor Country Club
Lake Almanor Peninsula
Lake Almanor West
Lake Davis
Climate data from the nearest NOAA station, Canyon Dam, Ca (2.7 mi from Hamilton Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.