Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 32°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Thursday
16th Jul
32

14

12

9
Friday
17th Jul
33

15

9

9
Saturday
18th Jul
32

17

8

10
Sunday
19th Jul
32

15

13

9
Monday
20th Jul
30

13

6

9

5-day weather forecast updated at 04:03 on Thursday 16th July 2026 GMT

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The 5-day weather forecast for Montana (Hamilton) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hamilton weather forecast by day

Below are the detailed weather forecasts for Hamilton for the next 5 days.

Hamilton weather for Thursday 16th July 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a light breeze of 10 kph from the south.

32
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
9
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from S

Hamilton weather for Friday 17th July 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a light breeze of 9 kph from the south.

33
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
43
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from S

Hamilton weather for Saturday 18th July 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 12 kph from the south.

32
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
31
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from S

Hamilton weather for Sunday 19th July 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

32
°C maximum temperature
15
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from W

Hamilton weather for Monday 20th July 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.