Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 26°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Thursday
18th Jun
26

10

14

9
Friday
19th Jun
27

10

8

9
Saturday
20th Jun
28

13

5

7
Sunday
21st Jun
26

12

11

8
Monday
22nd Jun
26

10

13

9

5-day weather forecast updated at 04:03 on Thursday 18th June 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 18th June 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

26
°C maximum temperature
10
°C minimum temperature
scattered clouds
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
13
kph wind from S

Hamilton weather for Friday 19th June 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

27
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from N

Hamilton weather for Saturday 20th June 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

28
°C maximum temperature
13
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from W

Hamilton weather for Sunday 21st June 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

26
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Hamilton weather for Monday 22nd June 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.