Harman US

Ronald, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ronald, a community in Kittitas County, Washington.

Today
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. Southwest wind around 2 mph.

7-day forecast for Ronald

WhenTempForecastWindPrecip
Today 79°F Mostly Sunny 2 mph SW 0%
Tonight 49°F Mostly Clear 1 mph N 0%
Sunday 81°F Sunny 2 mph SE 0%
Sunday Night 50°F Mostly Clear 1 mph W 0%
Monday 76°F Sunny 0 to 5 mph NW 0%
Monday Night 46°F Partly Cloudy 1 to 5 mph W 0%
Tuesday 69°F Mostly Sunny 1 to 6 mph W 0%
Tuesday Night 44°F Partly Cloudy 6 mph W 0%
Wednesday 67°F Partly Sunny 6 mph W 0%
Wednesday Night 44°F Mostly Cloudy 1 to 6 mph W 3%
Thursday 66°F Partly Sunny 3 mph W 13%
Thursday Night 44°F Slight Chance Rain Showers 3 mph W 15%
Friday 62°F Partly Sunny 1 to 5 mph W 13%
Friday Night 41°F Partly Cloudy 1 to 5 mph W 9%

Forecast source: National Weather Service (api.weather.gov) for Ronald (47.234, -121.033). Updated through the day.

Growing snapshot for Ronald

Last spring frost
May 13
First fall frost
Sep 25
Growing season
132 days
Hardiness zone
7a

More local growing data for Ronald: nearby ZIP 98941 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

All Washington locations ›

Climate data from the nearest NOAA station, Cle Elum, Wa (4.8 mi from Ronald). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.