Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 21°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Thursday
7th May
21

6

11

5
Friday
8th May
21

6

2

6
Saturday
9th May
21

3

13

7
Sunday
10th May
27

4

5

7
Monday
11th May
23

8

14

7

5-day weather forecast updated at 04:03 on Thursday 7th May 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 7th May 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

21
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NW

Hamilton weather for Friday 8th May 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

21
°C maximum temperature
6
°C minimum temperature
broken clouds
2
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Hamilton weather for Saturday 9th May 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

21
°C maximum temperature
3
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Hamilton weather for Sunday 10th May 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 27°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

27
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
27
°C wind chill
11
kph wind from S

Hamilton weather for Monday 11th May 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 23°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.