Roberts, MT Weather & Growing Conditions
Today
75°F
Patchy Smoke
Patchy smoke. Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northeast wind 2 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke | 2 to 9 mph NE | 3% |
| Tonight | 49°F | Patchy Smoke | 3 to 9 mph WSW | 6% |
| Wednesday | 86°F | Sunny | 2 to 6 mph SE | 0% |
| Wednesday Night | 53°F | Mostly Clear | 6 mph W | 0% |
| Thursday | 92°F | Sunny | 5 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 to 8 mph W | 0% |
| Friday | 97°F | Sunny | 5 mph SSE | 0% |
| Friday Night | 61°F | Partly Cloudy | 9 mph NW | 0% |
| Saturday | 96°F | Sunny | 5 to 9 mph NNW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 6 to 9 mph NNW | 1% |
| Sunday | 93°F | Sunny | 8 mph N | 3% |
| Sunday Night | 61°F | Partly Cloudy | 9 mph N | 8% |
| Monday | 90°F | Sunny | 9 mph N | 4% |
| Monday Night | 59°F | Partly Cloudy | 6 to 10 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roberts, MT
Last spring frost
May 29
First fall frost
Sep 15
Growing season
107 days
Hardiness zone
5a
Explore more for Roberts, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Joliet, Mt (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.