Isleton, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Isleton, a city in Sacramento County, California.
Today
61°F
Light Rain
Rain. Mostly cloudy. High near 61, with temperatures falling to around 57 in the afternoon. East southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Isleton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Light Rain | 3 to 7 mph ESE | 76% |
| Tonight | 47°F | Slight Chance Light Rain then Partly Cloudy | 2 to 9 mph N | 24% |
| Wednesday | 68°F | Sunny | 3 to 12 mph NW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph W | 0% |
| Thursday | 71°F | Sunny | 2 to 8 mph NW | 0% |
| Thursday Night | 46°F | Mostly Clear then Patchy Fog | 3 mph WNW | 0% |
| Friday | 71°F | Patchy Fog then Sunny | 1 to 5 mph NNW | 0% |
| Friday Night | 46°F | Clear | 1 mph N | 0% |
| Saturday | 73°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 48°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 73°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 2 mph NW | 0% |
| Monday | 71°F | Partly Sunny | 1 to 5 mph W | 1% |
| Monday Night | 48°F | Partly Cloudy | 2 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Isleton (38.161, -121.605). Updated through the day.
Growing snapshot for Isleton
Last spring frost
Jan 12
First fall frost
Dec 19
Growing season
343 days
Hardiness zone
9b
More local growing data for Isleton: nearby ZIP 95641 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Antelope
Arden-Arcade
Carmichael
Citrus Heights
Clarksburg
Clay
Courtland
Elk Grove
Elverta
Fair Oaks
Florin
Folsom
Foothill Farms
Franklin
Freeport
Fruitridge Pocket
Galt
Gold River
Herald
Hood
La Riviera
Lemon Hill
Mather
McClellan Park
North Highlands
Orangevale
Parkway
Rancho Cordova
Rancho Murieta
Rio Linda
Climate data from the nearest NOAA station, Antioch Pumping Plt #3, Ca (14.4 mi from Isleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.