Lewiston, CA Weather & Growing Conditions
This Afternoon
81°F
Sunny
Sunny, with a high near 81. West wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 3 to 7 mph W | 0% |
| Tonight | 53°F | Clear | 2 to 7 mph WSW | 0% |
| Saturday | 86°F | Sunny | 2 mph NNW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 2 mph WNW | 0% |
| Sunday | 86°F | Mostly Sunny | 1 to 5 mph SE | 0% |
| Sunday Night | 56°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 89°F | Sunny | 2 mph SE | 0% |
| Monday Night | 56°F | Mostly Clear | 2 mph W | 0% |
| Tuesday | 89°F | Sunny | 3 mph WNW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 89°F | Sunny | 3 mph E | 0% |
| Wednesday Night | 56°F | Mostly Clear | 2 mph WNW | 0% |
| Thursday | 87°F | Sunny | 1 to 5 mph SE | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewiston, CA
Last spring frost
Apr 23
First fall frost
Oct 22
Growing season
178 days
Hardiness zone
8b
Explore more for Lewiston, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Trinity Rvr Hatchery, Ca (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.