Rimini, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rimini, a community in Lewis And Clark County, Montana.
This Afternoon
64°F
Chance Showers And Thunderstorms
A chance of rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and thunderstorms likely. Mostly cloudy. High near 64, with temperatures falling to around 61 in the afternoon. North northeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Rimini
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Chance Showers And Thunderstorms | 9 mph NNE | 67% |
| Tonight | 49°F | Showers And Thunderstorms | 3 to 10 mph N | 98% |
| Saturday | 53°F | Showers And Thunderstorms | 8 mph NNE | 95% |
| Saturday Night | 44°F | Chance Light Rain | 5 mph WNW | 33% |
| Sunday | 64°F | Mostly Sunny | 6 mph WNW | 1% |
| Sunday Night | 44°F | Mostly Clear | 5 mph WSW | 0% |
| Monday | 68°F | Sunny | 6 mph WSW | 0% |
| Monday Night | 46°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 68°F | Sunny | 6 mph W | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph WSW | 1% |
| Wednesday | 68°F | Sunny | 7 mph WSW | 2% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph WSW | 2% |
| Thursday | 70°F | Sunny | 7 mph S | 1% |
| Thursday Night | 49°F | Partly Cloudy | 7 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Rimini (46.492, -112.250). Updated through the day.
Growing snapshot for Rimini
Last spring frost
Jun 4
First fall frost
Sep 14
Growing season
100 days
Hardiness zone
4b
More local growing data for Rimini: nearby ZIP 59601 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Austin 1 W, Mt (8.5 mi from Rimini). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.