Hamilton, MT Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, MT in one place.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. North northeast wind 0 to 6 mph. Chance of precipitation is 20%.
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: Jul 14, 2026 9:02 PM MDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Hamilton, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:02 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Friday looks like the warmest upcoming period in Hamilton at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Saturday Night at about 2 to 7 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:02 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 clear, with a low around 59. Northwest wind 1 to 6 mph.
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 93. Southeast wind around 3 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 61. East wind around 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Sunny, with a high near 93.
A slight chance of rain before midnight. Mostly clear, with a low around 58.
Sunny, with a high near 92.
Mostly clear, with a low around 59.
Mostly sunny, with a high near 91.
A slight chance of rain before midnight. Partly cloudy, with a low around 61.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 6 mph
NNE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
59°F |
1 to 6 mph
NW
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
3 mph
SE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
5 mph
E
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
1 to 5 mph
SSW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
5 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
2 to 6 mph
SSW
|
|
Saturday Night
Jul 18
|
Slight Chance Light Rain then Mostly Clear
|
58°F |
2 to 7 mph
WSW
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
1 to 6 mph
SSW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
1 to 6 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny
|
91°F |
1 to 5 mph
ENE
|
|
Monday Night
Jul 20
|
Slight Chance Light Rain then Partly Cloudy
|
61°F |
1 to 6 mph
NNE
|
|
Tuesday
Jul 21
|
Partly Sunny then Chance Showers And Thunderstorms
|
89°F |
1 to 5 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.
