Dayton, WY Weather & Growing Conditions
Today
62°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 62, with temperatures falling to around 59 in the afternoon. Northwest wind 6 to 10 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Showers And Thunderstorms | 6 to 10 mph NW | 88% |
| Tonight | 46°F | Patchy Fog | 0 to 9 mph NW | 87% |
| Sunday | 61°F | Showers And Thunderstorms | 0 to 6 mph NW | 79% |
| Sunday Night | 43°F | Chance Rain Showers then Areas Of Fog | 0 to 3 mph NNW | 31% |
| Monday | 69°F | Patchy Fog then Mostly Sunny | 0 to 3 mph NE | 11% |
| Monday Night | 44°F | Mostly Clear | 3 mph S | 1% |
| Tuesday | 75°F | Sunny | 2 mph NNE | 2% |
| Tuesday Night | 49°F | Mostly Clear | 1 to 5 mph SSW | 14% |
| Wednesday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 3 mph NW | 16% |
| Wednesday Night | 49°F | Mostly Clear | 2 to 6 mph SSW | 5% |
| Thursday | 81°F | Sunny | 5 mph SSE | 3% |
| Thursday Night | 50°F | Mostly Clear | 3 to 7 mph S | 1% |
| Friday | 81°F | Mostly Sunny | 5 mph SSW | 3% |
| Friday Night | 51°F | Partly Cloudy | 2 to 6 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, WY
Last spring frost
May 24
First fall frost
Sep 18
Growing season
114 days
Hardiness zone
5a
Explore more for Dayton, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Dayton, Wy (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.