Hamilton, MT Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, MT in one place.
Rain likely before 3pm, then showers and thunderstorms. Mostly cloudy, with a high near 52. South southwest wind around 13 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Hamilton, 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: Apr 15, 2026 2:41 PM MDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Hamilton, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:41 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Monday looks like the warmest upcoming period in Hamilton at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for This Afternoon at about 13 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:41 PM MDT
- Coverage
- 8 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
Rain before 7pm, then rain and snow likely. Mostly cloudy, with a low around 25. South southwest wind 3 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible.
Snow likely. Partly sunny, with a high near 41. West wind 3 to 12 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than half an inch possible.
A chance of snow. Mostly cloudy, with a low around 27. West southwest wind 3 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
A chance of snow. Partly sunny, with a high near 47. West southwest wind 3 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Mostly clear, with a low around 23.
Sunny, with a high near 58.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 72.
A chance of rain. Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 15
|
Showers And Thunderstorms
|
52°F |
13 mph
SSW
|
|
Tonight
Apr 15
|
Rain And Snow Likely
|
25°F |
3 to 13 mph
SSW
|
|
Thursday
Apr 16
|
Light Snow Likely
|
41°F |
3 to 12 mph
W
|
|
Thursday Night
Apr 16
|
Chance Light Snow
|
27°F |
3 to 10 mph
WSW
|
|
Friday
Apr 17
|
Chance Light Snow
|
47°F |
3 to 9 mph
WSW
|
|
Friday Night
Apr 17
|
Mostly Clear
|
23°F |
2 to 8 mph
WSW
|
|
Saturday
Apr 18
|
Sunny
|
58°F |
2 to 6 mph
SSW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
31°F |
5 mph
SW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
67°F |
5 mph
SSW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
39°F |
5 mph
SSW
|
|
Monday
Apr 20
|
Mostly Sunny
|
72°F |
5 mph
SW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
42°F |
2 to 6 mph
SW
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
2 to 8 mph
SSW
|
|
Tuesday Night
Apr 21
|
Chance Light Rain
|
43°F |
3 to 7 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.
