Keswick, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Keswick, a community in Shasta County, California.

This Afternoon

56°F

Chance Light Rain

A chance of rain before 4pm. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. Northeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Keswick

When	Temp	Forecast	Wind	Precip
This Afternoon	56°F	Chance Light Rain	2 mph NE	36%
Tonight	46°F	Partly Cloudy	3 mph NW	2%
Wednesday	68°F	Mostly Sunny	5 mph NNW	0%
Wednesday Night	50°F	Partly Cloudy	2 to 6 mph NW	0%
Thursday	72°F	Sunny	2 to 8 mph NNW	0%
Thursday Night	52°F	Mostly Clear	2 to 8 mph NNW	0%
Friday	77°F	Sunny	0 to 5 mph N	0%
Friday Night	54°F	Mostly Clear	0 to 5 mph NNW	0%
Saturday	73°F	Sunny	2 mph E	0%
Saturday Night	52°F	Mostly Clear	2 mph WNW	0%
Sunday	72°F	Mostly Sunny	0 to 3 mph NNE	1%
Sunday Night	52°F	Partly Cloudy	2 mph NNW	1%
Monday	70°F	Mostly Sunny	2 mph ESE	4%
Monday Night	52°F	Partly Cloudy	2 mph NW	7%

Forecast source: National Weather Service (api.weather.gov) for Keswick (40.613, -122.461). Updated through the day.

Growing snapshot for Keswick

Last spring frost

Feb 13

First fall frost

Dec 13

Growing season

304 days

Hardiness zone

More local growing data for Keswick: nearby ZIP 96001 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Anderson Bella Vista Big Bend Burney Cassel Centerville Cottonwood Fall River Mills French Gulch Happy Valley Hat Creek Igo Johnson Park Jones Valley Lake California Lakehead McArthur Millville Montgomery Creek Mountain Gate Oak Run Old Station Ono Palo Cedro Redding Round Mountain Shasta Shasta Lake Shingletown Whitmore

All California locations ›

Climate data from the nearest NOAA station, Whiskeytown Rsvr, Ca (4.5 mi from Keswick). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.