Washam, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washam, a community in Daggett County, Wyoming.
This Afternoon
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 72, with temperatures falling to around 68 in the afternoon. South southwest wind 6 to 9 mph. Chance of precipitation is 60%.
7-day forecast for Washam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Showers And Thunderstorms | 6 to 9 mph SSW | 64% |
| Tonight | 42°F | Showers And Thunderstorms Likely | 0 to 7 mph ESE | 67% |
| Saturday | 63°F | Chance Showers And Thunderstorms | 0 to 6 mph NNE | 64% |
| Saturday Night | 37°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 6 mph SW | 36% |
| Sunday | 66°F | Sunny | 1 to 6 mph NW | 1% |
| Sunday Night | 38°F | Partly Cloudy | 1 to 6 mph W | 0% |
| Monday | 71°F | Mostly Sunny | 1 to 5 mph NNE | 1% |
| Monday Night | 42°F | Partly Cloudy | 2 mph SE | 5% |
| Tuesday | 71°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph S | 30% |
| Tuesday Night | 42°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 25% |
| Wednesday | 72°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph WNW | 21% |
| Wednesday Night | 42°F | Mostly Clear | 5 mph SW | 8% |
| Thursday | 74°F | Mostly Sunny | 5 mph SE | 7% |
| Thursday Night | 43°F | Partly Cloudy | 3 to 7 mph S | 11% |
Forecast source: National Weather Service (api.weather.gov) for Washam (41.006, -109.699). Updated through the day.
Growing snapshot for Washam
Last spring frost
May 22
First fall frost
Sep 29
Growing season
128 days
Hardiness zone
5b
More local growing data for Washam: nearby ZIP 84046 weather · frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Manila, Ut (4.5 mi from Washam). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.