Riverbend, MT Weather & Growing Conditions
Tonight
31°F
Mostly Cloudy
Mostly cloudy, with a low around 31. North northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Mostly Cloudy | 1 mph NNW | 0% |
| Wednesday | 51°F | Mostly Sunny | 2 mph NNW | 0% |
| Wednesday Night | 31°F | Partly Cloudy | 2 to 6 mph SW | 8% |
| Thursday | 44°F | Chance Rain And Snow | 7 mph SW | 29% |
| Thursday Night | 32°F | Mostly Cloudy | 6 mph SSW | 5% |
| Friday | 49°F | Partly Sunny | 7 mph SSW | 14% |
| Friday Night | 38°F | Mostly Cloudy | 5 to 10 mph SSW | 14% |
| Saturday | 55°F | Partly Sunny | 3 to 9 mph S | 6% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Light Rain | 3 to 14 mph S | 47% |
| Sunday | 54°F | Chance Light Rain | 6 to 14 mph SSW | 47% |
| Sunday Night | 37°F | Chance Rain And Snow | 5 to 8 mph SW | 25% |
| Monday | 52°F | Partly Sunny then Slight Chance Light Rain | 5 mph S | 21% |
| Monday Night | 40°F | Slight Chance Light Rain | 2 to 8 mph SSW | 21% |
| Tuesday | 54°F | Slight Chance Light Rain | 3 to 8 mph SSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Riverbend, MT
Last spring frost
May 17
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
6a
Explore more for Riverbend, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Superior, Mt (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.