Lyman, WY Weather & Growing Conditions
Today
86°F
Patchy Smoke
Patchy smoke. Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Northwest wind 3 to 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Smoke | 3 to 20 mph NW | 0% |
| Tonight | 47°F | Patchy Smoke | 5 to 21 mph WSW | 0% |
| Wednesday | 86°F | Patchy Smoke | 3 to 18 mph W | 0% |
| Wednesday Night | 49°F | Patchy Smoke then Mostly Clear | 5 to 17 mph WSW | 0% |
| Thursday | 90°F | Sunny | 2 to 14 mph W | 0% |
| Thursday Night | 52°F | Mostly Clear | 3 to 16 mph WSW | 0% |
| Friday | 93°F | Sunny | 1 to 7 mph WSW | 0% |
| Friday Night | 55°F | Mostly Clear | 5 to 13 mph W | 0% |
| Saturday | 93°F | Sunny | 2 to 9 mph W | 0% |
| Saturday Night | 57°F | Partly Cloudy | 5 to 13 mph WSW | 0% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph WSW | 14% |
| Sunday Night | 57°F | Partly Cloudy | 6 to 14 mph WSW | 3% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph WSW | 19% |
| Monday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lyman, WY
Last spring frost
Jun 14
First fall frost
Sep 9
Growing season
84 days
Hardiness zone
5a
Explore more for Lyman, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Mtn View, Wy (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.