Mesa, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mesa, a city in Franklin County, Washington.
Today
53°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 53, with temperatures falling to around 47 in the afternoon. Northwest wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Mesa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Slight Chance Rain Showers | 6 mph NW | 15% |
| Tonight | 33°F | Patchy Fog | 1 to 5 mph S | 4% |
| Wednesday | 51°F | Patchy Fog then Sunny | 3 mph SE | 2% |
| Wednesday Night | 37°F | Patchy Fog then Chance Rain Showers | 2 to 6 mph SE | 33% |
| Thursday | 56°F | Mostly Sunny | 7 mph S | 11% |
| Thursday Night | 37°F | Partly Cloudy | 6 mph S | 9% |
| Friday | 55°F | Mostly Cloudy | 3 to 8 mph S | 9% |
| Friday Night | 38°F | Mostly Cloudy | 2 to 6 mph SE | 3% |
| Saturday | 59°F | Partly Sunny | 3 mph NE | 1% |
| Saturday Night | 39°F | Mostly Cloudy | 2 to 8 mph W | 10% |
| Sunday | 59°F | Partly Sunny | 7 to 12 mph SW | 10% |
| Sunday Night | 38°F | Mostly Cloudy | 3 to 7 mph SW | 9% |
| Monday | 55°F | Mostly Cloudy | 5 mph NW | 9% |
| Monday Night | 38°F | Mostly Cloudy then Chance Rain Showers | 3 mph S | 29% |
Forecast source: National Weather Service (api.weather.gov) for Mesa (46.573, -119.001). Updated through the day.
Growing snapshot for Mesa
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
7a
More local growing data for Mesa: nearby ZIP 99330 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sagemoor, Wa (7.1 mi from Mesa). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.