Isleton, CA Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. West wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 5 to 8 mph W | 0% |
| Tonight | 57°F | Partly Cloudy | 5 to 8 mph WSW | 0% |
| Sunday | 82°F | Partly Sunny | 6 to 9 mph WSW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 9 mph WSW | 0% |
| Monday | 84°F | Sunny | 8 to 12 mph WSW | 0% |
| Monday Night | 55°F | Mostly Clear | 6 to 12 mph WSW | 0% |
| Tuesday | 86°F | Sunny | 6 to 9 mph W | 0% |
| Tuesday Night | 56°F | Clear | 2 to 9 mph WSW | 0% |
| Wednesday | 92°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 60°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 95°F | Sunny | 2 to 7 mph W | 0% |
| Thursday Night | 60°F | Mostly Clear | 7 mph W | 0% |
| Friday | 88°F | Sunny | 6 to 10 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 6 to 10 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Isleton, CA
Last spring frost
Jan 12
First fall frost
Dec 19
Growing season
343 days
Hardiness zone
9b
Explore more for Isleton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Antioch Pumping Plt #3, Ca (14.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.