Prescott, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prescott, a city in Walla Walla County, Washington.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. West wind around 2 mph.
7-day forecast for Prescott
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 2 mph W | 0% |
| Tonight | 53°F | Mostly Clear | 2 mph NE | 0% |
| Sunday | 86°F | Sunny | 2 mph W | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 86°F | Sunny | 2 mph W | 0% |
| Monday Night | 56°F | Partly Cloudy | 1 mph S | 0% |
| Tuesday | 82°F | Sunny | 1 to 7 mph SW | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 6 mph SW | 1% |
| Wednesday | 76°F | Mostly Sunny | 5 to 9 mph SW | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 1 to 5 mph S | 2% |
| Thursday | 75°F | Mostly Sunny | 3 mph W | 3% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph E | 8% |
| Friday | 72°F | Mostly Sunny | 3 mph SW | 9% |
| Friday Night | 47°F | Mostly Cloudy | 3 mph SW | 8% |
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 Sep 19, 2026.