Dayton, WY Weather & Growing Conditions
Today
75°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 75. East northeast wind 0 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke | 0 to 6 mph ENE | 2% |
| Tonight | 50°F | Patchy Smoke | 1 to 6 mph SSW | 15% |
| Wednesday | 84°F | Sunny | 1 to 5 mph NE | 0% |
| Wednesday Night | 54°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Thursday | 90°F | Sunny | 1 to 7 mph NNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 3 to 7 mph W | 0% |
| Friday | 96°F | Sunny | 0 to 7 mph N | 0% |
| Friday Night | 62°F | Mostly Clear | 7 mph W | 0% |
| Saturday | 94°F | Sunny | 5 to 14 mph NNW | 0% |
| Saturday Night | 62°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Sunday | 93°F | Sunny | 3 to 10 mph NNW | 3% |
| Sunday Night | 63°F | Partly Cloudy | 2 to 7 mph W | 4% |
| Monday | 90°F | Sunny | 2 to 8 mph N | 4% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph WNW | 15% |
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 Aug 4, 2026.