Frannie, MT Weather & Growing Conditions
This Afternoon
58°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 58, with temperatures falling to around 55 in the afternoon. North northwest wind 15 to 20 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Showers And Thunderstorms | 15 to 20 mph NNW | 88% |
| Tonight | 45°F | Rain Showers | 14 to 22 mph NNW | 84% |
| Sunday | 59°F | Rain Showers Likely | 9 to 13 mph NNW | 69% |
| Sunday Night | 46°F | Mostly Cloudy | 1 to 6 mph ENE | 12% |
| Monday | 67°F | Mostly Sunny | 5 to 12 mph SSE | 1% |
| Monday Night | 51°F | Mostly Clear | 5 to 12 mph SE | 0% |
| Tuesday | 73°F | Sunny | 7 to 12 mph SSE | 0% |
| Tuesday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Wednesday | 74°F | Partly Sunny | 5 to 8 mph S | 13% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 12 mph SSE | 3% |
| Thursday | 77°F | Sunny | 13 to 17 mph SSE | 1% |
| Thursday Night | 57°F | Mostly Clear | 12 to 20 mph SE | 1% |
| Friday | 77°F | Mostly Sunny | 16 to 20 mph SE | 1% |
| Friday Night | 54°F | Partly Cloudy | 12 to 15 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frannie, MT
Last spring frost
May 14
First fall frost
Sep 24
Growing season
129 days
Hardiness zone
5a
Explore more for Frannie, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Bridger 2 N, Mt (16.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.