Prescott, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prescott, a city in Walla Walla County, Washington.
Tonight
33°F
Patchy Fog
Patchy fog. Partly cloudy. Low around 33, with temperatures rising to around 35 overnight. Southeast wind around 3 mph.
7-day forecast for Prescott
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Patchy Fog | 3 mph SE | 2% |
| Wednesday | 52°F | Patchy Fog then Sunny | 1 mph S | 1% |
| Wednesday Night | 38°F | Mostly Cloudy then Chance Rain Showers | 1 to 6 mph SE | 36% |
| Thursday | 55°F | Chance Rain Showers then Mostly Sunny | 5 to 12 mph SW | 33% |
| Thursday Night | 38°F | Partly Cloudy | 5 mph SE | 7% |
| Friday | 57°F | Mostly Cloudy | 3 mph S | 7% |
| Friday Night | 41°F | Mostly Cloudy | 5 mph S | 3% |
| Saturday | 62°F | Partly Sunny | 2 mph SE | 0% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 5 mph S | 21% |
| Sunday | 59°F | Chance Rain Showers | 5 to 12 mph SW | 33% |
| Sunday Night | 40°F | Mostly Cloudy | 1 to 6 mph S | 9% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph S | 16% |
| Monday Night | 40°F | Slight Chance Rain Showers | 2 mph S | 19% |
| Tuesday | 60°F | Chance Rain Showers | 2 mph S | 27% |
Forecast source: National Weather Service (api.weather.gov) for Prescott (46.299, -118.313). Updated through the day.
Growing snapshot for Prescott
Last spring frost
Mar 27
First fall frost
Oct 31
Growing season
219 days
Hardiness zone
7a
More local growing data for Prescott: nearby ZIP 99362 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Walla Walla Rgnl Ap, Wa (1.4 mi from Prescott). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.