5-day weather forecast for Acton, Montana
Today
47°
78°
Mostly sunny
Sunday
53°
87°
Mostly sunny
Monday
55°
89°
Partly Cloudy
Tuesday
54°
87°
Slight Chance Thunderstorms
Wednesday
50°
83°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Lewistown, Montana
| NWS Digital Forecast | 75.80% |
| The Weather Channel | 75.47% |
| National Weather Service | 74.29% |
| MyForecast | 72.64% |
| Accuweather | 72.31% |
| Intellicast | 65.90% |
| The Weather Channel | 67.16% |
| Intellicast | 67.09% |
| MyForecast | 66.67% |
| Accuweather | 66.41% |
| NWS Digital Forecast | 64.14% |
| National Weather Service | 59.70% |
ForecastAdvisor Fact
56.7% of The Weather Channel's high temperature forecasts for Lewistown were within 3 degrees of actual temperatures last year.