Hamilton, MT Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, MT in one place.
A chance of rain before 2pm. Mostly cloudy, with a high near 63. West northwest wind 2 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
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: May 30, 2026 7:09 PM MDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Hamilton, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 7:09 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Friday looks like the warmest upcoming period in Hamilton at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Sunday at about 2 to 8 mph WNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 7:09 PM MDT
- 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 41. Northwest wind 0 to 7 mph, with gusts as high as 20 mph.
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 67. North northwest wind 0 to 6 mph. Chance of precipitation is 20%.
A slight chance of rain before midnight. Partly cloudy, with a low around 42. Chance of precipitation is 20%.
Partly sunny, with a high near 71.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 77.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 47.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 73.
A slight chance of rain before midnight. Partly cloudy, with a low around 45.
Sunny, with a high near 80.
Partly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Chance Light Rain
|
63°F |
2 to 8 mph
WNW
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
41°F |
0 to 7 mph
NW
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
67°F |
0 to 6 mph
NNW
|
|
Monday Night
Jun 1
|
Slight Chance Light Rain then Partly Cloudy
|
42°F |
1 to 8 mph
SW
|
|
Tuesday
Jun 2
|
Partly Sunny
|
71°F |
1 to 7 mph
SW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
44°F |
0 to 8 mph
WSW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
77°F |
1 to 6 mph
WSW
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms then Chance Light Rain
|
47°F |
1 to 7 mph
NW
|
|
Thursday
Jun 4
|
Chance Light Rain then Chance Showers And Thunderstorms
|
73°F |
0 to 7 mph
WSW
|
|
Thursday Night
Jun 4
|
Slight Chance Light Rain then Partly Cloudy
|
45°F |
2 to 8 mph
W
|
|
Friday
Jun 5
|
Sunny
|
80°F |
2 to 6 mph
SW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
48°F |
2 to 8 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.