Susanville, CA Weather & Growing Conditions
Today
95°F
Haze
Haze and patchy smoke before 4pm. Sunny, with a high near 95. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Haze | 0 to 5 mph S | 0% |
| Tonight | 57°F | Patchy Smoke then Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 55°F | Clear | 0 to 5 mph W | 0% |
| Thursday | 96°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 56°F | Clear | 0 to 10 mph W | 0% |
| Friday | 96°F | Sunny | 0 to 10 mph W | 0% |
| Friday Night | 57°F | Clear | 0 to 10 mph W | 0% |
| Saturday | 96°F | Sunny | 0 to 10 mph W | 0% |
| Saturday Night | 57°F | Clear | 0 to 10 mph W | 0% |
| Sunday | 93°F | Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 55°F | Mostly Clear | 0 to 10 mph W | 1% |
| Monday | 90°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 52°F | Mostly Clear | 0 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Susanville, CA
Last spring frost
May 16
First fall frost
Oct 8
Growing season
143 days
Hardiness zone
7a
Explore more for Susanville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Susanville 2Sw, Ca (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.