Frannie, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frannie, a town in Big Horn County, Wyoming.
Tonight
31°F
Mostly Clear
Mostly clear. Low around 31, with temperatures rising to around 34 overnight. Southeast wind 2 to 6 mph.
7-day forecast for Frannie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Wednesday | 51°F | Mostly Sunny | 3 mph WNW | 0% |
| Wednesday Night | 31°F | Partly Cloudy | 1 to 8 mph ENE | 0% |
| Thursday | 52°F | Mostly Sunny | 0 to 10 mph E | 1% |
| Thursday Night | 33°F | Mostly Cloudy | 1 to 9 mph NNW | 8% |
| Friday | 52°F | Sunny | 2 to 12 mph E | 2% |
| Friday Night | 32°F | Partly Cloudy | 7 to 12 mph ESE | 0% |
| Saturday | 54°F | Sunny | 8 mph SE | 0% |
| Saturday Night | 34°F | Mostly Clear | 7 to 15 mph ESE | 0% |
| Sunday | 59°F | Mostly Sunny | 6 to 15 mph ESE | 0% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph E | 0% |
| Monday | 58°F | Mostly Sunny | 5 mph ENE | 0% |
| Monday Night | 36°F | Partly Cloudy | 6 mph ESE | 1% |
| Tuesday | 59°F | Mostly Sunny | 2 to 6 mph SE | 0% |
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 Nov 4, 2026.