Harman US

Cathcart, WA Weather & Growing Conditions

This Afternoon
56°F
Partly Sunny
Partly sunny. High near 56, with temperatures falling to around 51 in the afternoon. Northwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 56°F Partly Sunny 2 mph NW 3%
Tonight 39°F Patchy Fog 2 mph S 3%
Wednesday 57°F Patchy Fog then Slight Chance Light Rain 3 mph SSE 16%
Wednesday Night 48°F Light Rain 3 to 8 mph SSE 95%
Thursday 56°F Chance Light Rain then Partly Sunny 5 mph S 42%
Thursday Night 46°F Light Rain 3 to 7 mph SE 79%
Friday 55°F Light Rain 3 to 8 mph SSE 79%
Friday Night 47°F Chance Light Rain 3 mph SE 53%
Saturday 61°F Chance Light Rain 2 mph SSE 30%
Saturday Night 49°F Light Rain 2 to 12 mph SSE 76%
Sunday 55°F Light Rain 2 to 12 mph S 76%
Sunday Night 44°F Chance Light Rain 3 mph SE 28%
Monday 55°F Chance Light Rain 2 mph SE 53%
Monday Night 46°F Light Rain Likely 2 to 7 mph SE 71%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Cathcart, WA

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b

Explore more for Cathcart, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Monroe, Wa (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.