Manson, WA Weather & Growing Conditions
Overnight
48°F
Partly Cloudy
Partly cloudy. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Partly Cloudy | 5 mph NW | 0% |
| Saturday | 67°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 49°F | Mostly Clear | 1 to 5 mph W | 0% |
| Sunday | 68°F | Sunny | 1 to 5 mph SW | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Monday | 66°F | Mostly Sunny | 1 to 8 mph W | 0% |
| Monday Night | 46°F | Partly Cloudy | 8 mph NW | 0% |
| Tuesday | 62°F | Mostly Sunny | 2 to 8 mph W | 0% |
| Tuesday Night | 42°F | Mostly Cloudy | 8 mph NW | 0% |
| Wednesday | 57°F | Mostly Sunny | 3 to 9 mph W | 1% |
| Wednesday Night | 42°F | Mostly Cloudy | 5 to 9 mph NW | 3% |
| Thursday | 55°F | Partly Sunny | 5 mph W | 14% |
| Thursday Night | 42°F | Slight Chance Rain Showers | 6 mph NW | 16% |
| Friday | 53°F | Mostly Sunny | 6 mph NW | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Manson, WA
Last spring frost
May 22
First fall frost
Sep 22
Growing season
121 days
Hardiness zone
7a
Explore more for Manson, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Plain, Wa (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.