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Acton, MT Weather

Today: Sunny, high 55°F, low 29°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Acton, MT current weather

49°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 55° / L 29°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 10:57 AM PT

Hourly forecast

NWS, updated 10/28/2026, 10:57 AM PT

  1. Now49°
  2. 1 PM51°
  3. 2 PM52°
  4. 3 PM54°
  5. 4 PM53°
  6. 5 PM52°
  7. 6 PM48°
  8. 7 PM43°
  9. 8 PM42°
  10. 9 PM41°
  11. 10 PM39°
  12. 11 PM37°
  13. 12 AM35°Thu
  14. 1 AM34°
  15. 2 AM33°
  16. 3 AM33°
  17. 4 AM30°
  18. 5 AM30°
  19. 6 AM30°
  20. 7 AM29°
  21. 8 AM29°
  22. 9 AM32°
  23. 10 AM37°
  24. 11 AM42°
  25. 12 PM46°
  26. 1 PM48°
  27. 2 PM49°
  28. 3 PM51°
  29. 4 PM49°
  30. 5 PM49°
  31. 6 PM45°
  32. 7 PM41°
  33. 8 PM39°
  34. 9 PM38°
  35. 10 PM37°
  36. 11 PM36°
  37. 12 AM35°Fri
  38. 1 AM34°
  39. 2 AM34°
  40. 3 AM33°
  41. 4 AM32°
  42. 5 AM32°
  43. 6 AM31°
  44. 7 AM31°
  45. 8 AM32°
  46. 9 AM33°
  47. 10 AM34°
  48. 11 AM37°

10-day forecast

Tap a day for details

  • Today10/28Low 29°High 55°

    This Afternoon: Sunny. High near 55, with temperatures falling to around 52 in the afternoon. West southwest wind 8 to 13 mph.

    Tonight: Mostly clear, with a low around 29. West northwest wind around 7 mph.

    Sunny
  • Thu10/29Low 31°High 51°

    Thursday: Sunny. High near 51, with temperatures falling to around 49 in the afternoon. North northeast wind 3 to 8 mph.

    Thursday Night: Mostly cloudy, with a low around 31. North northeast wind 6 to 9 mph.

    Sunny
  • Fri10/30Low 32°High 46°

    Friday: Partly sunny. High near 46, with temperatures falling to around 44 in the afternoon. Northeast wind around 6 mph.

    Friday Night: Partly cloudy, with a low around 32. North northwest wind around 5 mph.

    Partly Sunny
  • Sat10/3133% chance of precipitationLow 34°High 54°

    Saturday: Mostly sunny. High near 54, with temperatures falling to around 51 in the afternoon. West wind around 5 mph.

    Saturday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 34. North northeast wind around 5 mph. Chance of precipitation is 30%.

    Mostly Sunny
  • Sun11/164% chance of precipitationLow 35°High 49°

    Sunday: Rain showers likely. Mostly cloudy. High near 49, with temperatures falling to around 44 in the afternoon. Northwest wind 3 to 9 mph. Chance of precipitation is 60%.

    Sunday Night: Rain showers likely. Mostly cloudy, with a low around 35. Northwest wind 7 to 16 mph. Chance of precipitation is 60%.

    Rain Showers Likely
  • Mon11/228% chance of precipitationLow 32°High 49°

    Monday: A chance of rain showers. Mostly sunny. High near 49, with temperatures falling to around 43 in the afternoon. West northwest wind 6 to 16 mph. Chance of precipitation is 30%.

    Monday Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 32. West wind 6 to 12 mph. Chance of precipitation is 20%.

    Chance Rain Showers
  • Tue11/313% chance of precipitationLow 32°High 52°

    Tuesday: Mostly sunny. High near 52, with temperatures falling to around 46 in the afternoon. West southwest wind 6 to 12 mph.

    Tuesday Night: Partly cloudy, with a low around 32. West wind around 8 mph.

    Mostly Sunny
  • Wed11/4Model blendLow 31°High 50°

    Wednesday: Partly cloudy. High near 50°. Low that night near 31°. About 0.2 in of snow.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Thu11/5Model blendLow 32°High 51°

    Thursday: Partly cloudy. High near 51°. Low that night near 32°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blendLow 33°High 52°

    Friday: Partly cloudy. High near 52°. Low that night near 33°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 45.930, -108.679 from the NWS BYZ office, updated 10/28/2026, 10:57 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KBIL (Billings/Logan Intl, 11 mi), model run 10/28/2026, 10:00 AM MDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now49°Sunny0%13 mph
  2. 1 PM51°Sunny0%13 mph
  3. 2 PM52°Sunny0%13 mph
  4. 3 PM54°Sunny0%12 mph
  5. 4 PM53°Sunny0%10 mph
  6. 5 PM52°Sunny0%8 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Frequently asked questions

What is the high temperature today in Acton, MT?
The National Weather Service forecast for this afternoon calls for a high near 55°F. Sunny.
Will it rain in Acton, MT in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Acton, MT?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 50°F to 52°F. Model guidance this far out often changes.
What time is sunrise and sunset in Acton, MT today?
Sunrise is about 7:49 AM MDT and sunset is about 6:06 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Acton, MT?
At Billings Logan INTL AP, the 1991 to 2020 normal high in October is 59°F and the normal low is 37°F.

Nearby hazards

Montana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Yellowstone County, week of 10/20/2026

8% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:49 AM
Sunset
6:06 PM
Daylight
10 hr 17 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
7:19 AM
Last light (civil dusk)
6:37 PM
Moonrise
7:19 PM
Moonset
11:14 AM

Normal October weather

Climate

Normal October high 59°, low 37°, precipitation 1.37 in for the month. 1991 to 2020 normals at Billings Logan INTL AP, 11 mi away.

Other places nearby

Data sources

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About this data

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