Waltham, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waltham, MT in one place.
Sunny. High near 57, with temperatures falling to around 53 in the afternoon. Southwest wind 15 to 28 mph, with gusts as high as 39 mph.
Local Weather Overview
This forecast page for Waltham, 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 5:02 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Waltham, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 5:02 PM MST
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Waltham
Saturday looks like the warmest upcoming period in Waltham at 65 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Sunday at about 15 to 33 mph SW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 5:02 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 46. Southwest wind 22 to 29 mph, with gusts as high as 40 mph.
Mostly sunny, with a high near 65. Southwest wind 7 to 22 mph, with gusts as high as 31 mph.
Partly cloudy, with a low around 45. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 64. Southwest wind 15 to 33 mph, with gusts as high as 43 mph.
Mostly cloudy, with a low around 38. West southwest wind 8 to 25 mph, with gusts as high as 37 mph.
Partly sunny, with a high near 55.
Mostly cloudy, with a low around 40.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
57°F |
15 to 28 mph
SW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
46°F |
22 to 29 mph
SW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
65°F |
7 to 22 mph
SW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
45°F |
7 to 15 mph
SSW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
64°F |
15 to 33 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
38°F |
8 to 25 mph
WSW
|
|
Monday
Nov 9
|
Partly Sunny
|
55°F |
2 to 8 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
40°F |
2 to 13 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
62°F |
13 to 24 mph
SW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
44°F |
14 to 21 mph
SW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
64°F |
10 to 17 mph
SW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
46°F |
10 to 14 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waltham.