Old Agency, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Old Agency, MT in one place.
Mostly sunny, with a high near 50. South southeast wind around 5 mph.
Local Weather Overview
This forecast page for Old Agency, 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 Old Agency, 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
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Old Agency
Saturday looks like the warmest upcoming period in Old Agency at 59 degrees F.
Sunday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Sunday at about 7 to 13 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 4:38 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 36. South wind 3 to 8 mph.
Mostly sunny, with a high near 59. South wind around 5 mph.
Partly cloudy, with a low around 37.
Partly sunny, with a high near 54.
Mostly cloudy, with a low around 32.
Patchy fog between 7am and 9am. Partly sunny, with a high near 51.
Mostly cloudy, with a low around 35.
A slight chance of rain after 11am. Mostly sunny, with a high near 57.
A slight chance of rain before 11pm. Partly cloudy, with a low around 38.
Mostly sunny, with a high near 59.
A slight chance of rain after 5am. Partly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
50°F |
5 mph
SSE
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
36°F |
3 to 8 mph
S
|
|
Saturday
Nov 7
|
Mostly Sunny
|
59°F |
5 mph
S
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
37°F |
5 to 10 mph
S
|
|
Sunday
Nov 8
|
Partly Sunny
|
54°F |
7 to 13 mph
SSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
32°F |
1 to 7 mph
SSW
|
|
Monday
Nov 9
|
Patchy Fog then Partly Sunny
|
51°F |
2 mph
SSE
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
35°F |
3 mph
W
|
|
Tuesday
Nov 10
|
Slight Chance Light Rain
|
57°F |
5 mph
S
|
|
Tuesday Night
Nov 10
|
Slight Chance Light Rain then Partly Cloudy
|
38°F |
3 to 7 mph
SSW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
59°F |
5 mph
S
|
|
Wednesday Night
Nov 11
|
Partly Cloudy then Slight Chance Light Rain
|
38°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Old Agency.