Acton, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Acton, MT in one place.
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. West southwest wind 12 to 17 mph.
Local Weather Overview
This forecast page for Acton, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 4:38 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Acton, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:38 PM MST
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Acton
Sunday looks like the warmest upcoming period in Acton at 62 degrees F.
Monday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Sunday at about 6 to 26 mph WSW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:38 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy. Low around 40, with temperatures rising to around 42 overnight. West southwest wind 15 to 22 mph.
Mostly sunny. High near 59, with temperatures falling to around 52 in the afternoon. Southwest wind 8 to 22 mph.
Mostly clear. Low around 41, with temperatures rising to around 43 overnight. Southwest wind 8 to 25 mph.
Mostly sunny. High near 62, with temperatures falling to around 53 in the afternoon. West southwest wind 6 to 26 mph.
Mostly cloudy, with a low around 38. West wind around 7 mph.
Mostly sunny. High near 53, with temperatures falling to around 47 in the afternoon. Southeast wind around 6 mph.
Mostly cloudy. Low around 37, with temperatures rising to around 39 overnight. South wind 2 to 9 mph.
Mostly sunny. High near 59, with temperatures falling to around 53 in the afternoon. West southwest wind 6 to 12 mph.
Mostly clear, with a low around 41. West southwest wind 6 to 14 mph.
Sunny. High near 60, with temperatures falling to around 51 in the afternoon. Southwest wind 7 to 15 mph.
Partly cloudy, with a low around 42. Southwest wind 7 to 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
54°F |
12 to 17 mph
WSW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
40°F |
15 to 22 mph
WSW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
59°F |
8 to 22 mph
SW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
41°F |
8 to 25 mph
SW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
62°F |
6 to 26 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
38°F |
7 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
53°F |
6 mph
SE
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
37°F |
2 to 9 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
59°F |
6 to 12 mph
WSW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
6 to 14 mph
WSW
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
7 to 15 mph
SW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
42°F |
7 to 18 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Acton.