Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 29°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Monday
10th Aug
29

11

14

7
Tuesday
11th Aug
28

9

14

7
Wednesday
12th Aug
27

10

11

7
Thursday
13th Aug
23

9

8

6
Friday
14th Aug
24

10

7

6

5-day weather forecast updated at 04:03 on Monday 10th August 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 Monday 10th August 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

29
°C maximum temperature
11
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from W

Hamilton weather for Tuesday 11th August 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

28
°C maximum temperature
9
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from W

Hamilton weather for Wednesday 12th August 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

27
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from N

Hamilton weather for Thursday 13th August 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 23°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 14 kph from the north.

23
°C maximum temperature
9
°C minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
29
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
14
kph wind from N

Hamilton weather for Friday 14th August 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 24°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 28% chance of some rain and a light breeze of 12 kph from the north.