Foster, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Foster, MT in one place.
Mostly sunny. High near 62, with temperatures falling to around 54 in the afternoon. West southwest wind 2 to 8 mph.
Local Weather Overview
This forecast page for Foster, 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 4:46 PM MST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Foster, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:46 PM MST
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Foster
Sunday looks like the warmest upcoming period in Foster at 67 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 2 to 8 mph WSW.
The forecast from Nov 7 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:46 PM MST
- Coverage
- 6 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
Mostly clear, with a low around 35. South southwest wind around 5 mph.
Mostly sunny. High near 67, with temperatures falling to around 54 in the afternoon. West southwest wind 2 to 7 mph.
Mostly cloudy, with a low around 36. North northwest wind around 2 mph.
Mostly sunny. High near 56, with temperatures falling to around 50 in the afternoon. East wind around 3 mph.
Mostly cloudy, with a low around 35. South wind around 2 mph.
Mostly sunny. High near 61, with temperatures falling to around 54 in the afternoon. West southwest wind 2 to 6 mph.
Partly cloudy, with a low around 38. Southwest wind around 3 mph.
Sunny. High near 63, with temperatures falling to around 53 in the afternoon. Southwest wind 2 to 6 mph.
Partly cloudy, with a low around 37. South southwest wind around 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
62°F |
2 to 8 mph
WSW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
35°F |
5 mph
SSW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
67°F |
2 to 7 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
36°F |
2 mph
NNW
|
|
Monday
Nov 9
|
Mostly Sunny
|
56°F |
3 mph
E
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
35°F |
2 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
61°F |
2 to 6 mph
WSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
38°F |
3 mph
SW
|
|
Veterans Day
Nov 11
|
Sunny
|
63°F |
2 to 6 mph
SW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
37°F |
3 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Foster.