Riverbend, MT Weather & Growing Conditions
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. East northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 3 mph ENE | 0% |
| Tonight | 31°F | Partly Cloudy | 1 to 6 mph SW | 2% |
| Thursday | 43°F | Slight Chance Rain And Snow then Partly Sunny | 7 mph SW | 20% |
| Thursday Night | 31°F | Partly Cloudy | 6 mph SSW | 0% |
| Friday | 48°F | Mostly Sunny | 7 mph SSW | 0% |
| Friday Night | 38°F | Mostly Cloudy | 7 mph SSW | 2% |
| Saturday | 56°F | Mostly Sunny | 6 mph SSE | 2% |
| Saturday Night | 40°F | Partly Cloudy | 3 to 14 mph SSE | 13% |
| Sunday | 54°F | Slight Chance Light Rain | 5 to 14 mph SW | 20% |
| Sunday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 3 to 7 mph SW | 20% |
| Monday | 51°F | Slight Chance Light Rain | 3 mph S | 16% |
| Monday Night | 38°F | Mostly Cloudy | 2 to 7 mph SSW | 10% |
| Tuesday | 54°F | Mostly Sunny then Slight Chance Light Rain | 3 to 7 mph SSW | 20% |
| Tuesday Night | 40°F | Slight Chance Light Rain | 3 to 8 mph SSW | 21% |
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.