Hyattville, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hyattville, a community in Big Horn County, Wyoming.
This Afternoon
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 67, with temperatures falling to around 64 in the afternoon. West northwest wind 6 to 12 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Hyattville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Showers And Thunderstorms | 6 to 12 mph WNW | 53% |
| Tonight | 46°F | Showers And Thunderstorms Likely | 3 to 12 mph WNW | 61% |
| Sunday | 62°F | Rain Showers Likely | 5 mph WNW | 57% |
| Sunday Night | 45°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph SSE | 10% |
| Monday | 70°F | Mostly Sunny | 3 mph S | 0% |
| Monday Night | 46°F | Mostly Clear | 2 to 7 mph SE | 0% |
| Tuesday | 76°F | Sunny | 5 mph SE | 0% |
| Tuesday Night | 52°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph E | 16% |
| Wednesday | 76°F | Mostly Sunny | 5 mph S | 14% |
| Wednesday Night | 50°F | Mostly Clear | 6 mph ENE | 4% |
| Thursday | 79°F | Sunny | 5 mph SSE | 1% |
| Thursday Night | 54°F | Mostly Clear | 7 to 13 mph ESE | 1% |
| Friday | 81°F | Sunny | 8 mph SSE | 1% |
| Friday Night | 53°F | Partly Cloudy | 8 mph ESE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Hyattville (44.250, -107.615). Updated through the day.
Growing snapshot for Hyattville
Last spring frost
May 16
First fall frost
Sep 24
Growing season
130 days
Hardiness zone
5a
More local growing data for Hyattville: nearby ZIP 82428 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Shell, Wy (18.8 mi from Hyattville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.