Frannie, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frannie, a town in Big Horn County, Wyoming.
This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 75 in the afternoon. West southwest wind around 7 mph. Chance of precipitation is 40%.
7-day forecast for Frannie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Showers And Thunderstorms | 7 mph WSW | 38% |
| Tonight | 53°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 9 to 15 mph NW | 78% |
| Saturday | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 to 24 mph NW | 72% |
| Saturday Night | 48°F | Showers And Thunderstorms Likely | 15 to 26 mph NW | 74% |
| Sunday | 63°F | Chance Rain Showers | 7 to 14 mph NW | 54% |
| Sunday Night | 47°F | Partly Cloudy | 2 to 7 mph W | 4% |
| Monday | 70°F | Mostly Sunny | 3 to 8 mph SE | 0% |
| Monday Night | 50°F | Mostly Clear | 3 mph ESE | 1% |
| Tuesday | 76°F | Mostly Sunny | 2 to 6 mph SE | 0% |
| Tuesday Night | 52°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph E | 18% |
| Wednesday | 77°F | Sunny | 6 mph SE | 7% |
| Wednesday Night | 52°F | Mostly Clear | 5 mph ENE | 3% |
| Thursday | 78°F | Sunny | 8 mph SE | 3% |
| Thursday Night | 52°F | Partly Cloudy | 7 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Frannie (44.971, -108.621). Updated through the day.
Growing snapshot for Frannie
Last spring frost
May 6
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
More local growing data for Frannie: nearby ZIP 82423 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Deaver, Wy (6.6 mi from Frannie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.