Prescott, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prescott, a city in Walla Walla County, Washington.
Today
51°F
Areas Of Fog then Sunny
Areas of fog before 10am. Sunny. High near 51, with temperatures falling to around 46 in the afternoon. South wind around 1 mph.
7-day forecast for Prescott
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Areas Of Fog then Sunny | 1 mph S | 1% |
| Tonight | 39°F | Patchy Fog then Chance Rain Showers | 5 mph SE | 31% |
| Thursday | 55°F | Chance Rain Showers then Mostly Sunny | 3 to 10 mph S | 31% |
| Thursday Night | 35°F | Mostly Clear | 5 mph SE | 0% |
| Friday | 55°F | Partly Sunny | 2 mph S | 5% |
| Friday Night | 41°F | Mostly Cloudy | 3 mph S | 7% |
| Saturday | 63°F | Mostly Sunny | 1 mph NE | 1% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph S | 24% |
| Sunday | 59°F | Slight Chance Rain Showers | 3 to 9 mph S | 24% |
| Sunday Night | 39°F | Mostly Cloudy | 1 to 5 mph SE | 8% |
| Monday | 54°F | Mostly Cloudy | 1 mph S | 5% |
| Monday Night | 38°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 17% |
| Tuesday | 60°F | Slight Chance Rain Showers | 1 mph S | 22% |
| Tuesday Night | 42°F | Slight Chance Rain Showers | 2 mph SE | 22% |
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.